OTA Updates/Apple Watch/8.1

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Apple Watch Series 3

Watch3,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 2c2bb04746c3cda55d5dceb1c2bb41aca2d0d921.zip 1,176,569,884
7.6 beta 2 18U5533b 17 N/A f8cdacc0d419523fb325384345a366b671ce9c4e.zip 1,176,464,489
7.6 beta 3 18U5542b 17 N/A c19719f12b72b316377032163dfbce3aeb14595e.zip 1,173,787,070
7.6 beta 4 18U5552d 17 N/A 06ae321ac65d341e703b226c1126e66e8884a26e.zip 1,173,630,630
7.6 beta 5 18U5561a 17 N/A 95424527aefbc0221a85d9f015c0aaee63074618.zip 1,150,999,249
8.0 beta 19R5266q 17 N/A 4c7b6e44af2c3ab38f58f289c8cfc6a01563ed82.zip 878,209,284
8.0 beta 2 19R5286f 17 N/A 94699d249b58b8940c56fbb14cb50388981d67f5.zip 836,538,781
8.0 beta 3 19R5302f 17 N/A 2914a883ce746ee41554b47948cd2cbfdc611c2a.zip 750,811,619
8.0 beta 4 19R5312e 17 N/A f6b213422f72e06880d96badb88c366e2d778fcd.zip 661,998,926
8.0 beta 5 19R5323g 17 N/A 7a3baa17fe6f3b475d735fb992ee7889a0e655d5.zip 482,198,398
8.0 beta 6 19R5330d 17 N/A 28f33b6c5fcc316fe985903b7795bbd09b7d01d6.zip 434,978,255
8.0 beta 7 19R5340a 17 N/A 8168080c31d4df24cd7bb9928e03e6303224e136.zip 432,920,234
8.0 beta 8 19R5342a 17 N/A 9b5530ab8f911bb53989a695535169a187fada99.zip 432,927,673
8.1 beta 19R5541f 17 N/A a8bcdd712aa90e5a3491fd2376d183706db1750b.zip 431,109,823
8.1 beta 2 19R5551d 17 N/A ae100f059d2ddcc4c1e8755b88a8b9a919333e95.zip 405,027,670
8.1 beta 3 19R5559e 17 N/A 230761acc4b3ab62f443b1073ef213a9531c0806.zip 257,635,035
8.1 beta 4 19R5566a 17 N/A b12c1c0f5ff3fd5ad13a817faa381328ade3861b.zip 243,819,986
19R570 N/A 17 N/A f8280939d2ef9a8526faaa2ef2f994eb2bdf2191.zip 1,726,001,359
5.3.5 16U652 17 N/A 3e58c361ea0a390e249154eb3d4fbfcfd6e6fafb.zip 1,589,506,204
5.3.6 16U662 17 N/A 584e94e14fad51839a4681cca095cda645973ec4.zip 1,589,510,130
5.3.7 16U674 17 N/A a4d97d85d951ae0126e094add54bf5cb6c870144.zip 1,589,514,627
5.3.8 16U680 17 N/A d4368c228e1fa382571905b13d6d31980cfeb0ab.zip 1,589,498,214
5.3.9 16U693 17 N/A 3bef0b9b0b4251a4738f6c750dc667e7c3290406.zip 1,589,507,220
6.0 17R575 17 N/A c6d6e787906feb235e1af2ed211de768ec6a8c84.zip 1,536,098,296
6.1 17S84 17 N/A 8b54f10d6fbefb7d1ad5c6bf9630e05a077c3cdd.zip 1,514,281,642
6.1.1 17S449 17 N/A e959a35bb6dc8c1e54d3cee5b1bf17627a2f91cb.zip 1,514,552,338
6.1.2 17S796 17 N/A 35884fe1352d9f03092da3a0394711eff500c648.zip 1,514,711,588
6.1.3 17S811 17 N/A fadd0dba421d376b30d563227db09af5ae73ae02.zip 1,514,712,277
6.2 17T529 17 N/A bec0983a9b513057aca4e7ffefb8945218b1b606.zip 1,507,330,578
6.2.1 17T530 17 N/A 3df8e123b4ee757c562d82cb73b47f498b396eab.zip 1,507,326,704
6.2.5 17T608 17 N/A 7d8d9b3ebc9889827e8be072a141a9373956ce8c.zip 1,506,992,565
6.2.6 17T620 17 N/A 4e83120814bebd4e3694d539e2f38d15396cf060.zip 1,506,993,089
6.2.8 17U63 17 N/A c7584a66a080cfa01836bb6a0e4e53a9d94ee14c.zip 1,506,817,141
6.3 17U216 17 N/A 552a173b3bfb7b77f099f6de1443b315abedcf2e.zip 1,506,822,168
7.0 18R382 17 N/A dfca27b8c161abf9e95f6040bc19572e2c4751cf.zip 1,220,187,505
7.0.1 18R395 17 N/A ec91f66f172773b275e736cccbbf35b2b09844a6.zip 1,220,184,925
7.0.2 18R402 17 N/A 9829477abcd6b0f26b052ec6e224fbde38c447bd.zip 1,220,196,591
7.0.3 18R410 17 N/A 78120f171191e32462cec923ff66fc2c98dd22f3.zip 1,220,191,392
7.1 RC 18R589 17 N/A 77b2511c5ac85b7083d8b420125881a42a70a5d4.zip 1,205,422,260
7.1 18R590 17 N/A 9f2b2eb3ae77c588e5eabf9e06d731c62c7ae690.zip 1,205,426,923
7.2 18S563 17 N/A 2808c3cacdf36a87fd07f4b2c25da3a4b18077f2.zip 1,203,685,649
7.3 18S801 17 N/A bd883edfb7b05440202aebd2f294317a7266123c.zip 1,203,212,230
7.3.2 18S821 17 N/A 9305152658e274675ce57add273b24f28ed3e9b4.zip 1,203,187,262
7.3.3 18S830 17 N/A b843c757c5a76a14fadd2619d4c67f1ba5873c75.zip 1,203,207,024
7.4 18T195 17 N/A 75a84141bb732f12da6ba246e66850a75f2439fc.zip 1,177,676,164
7.4.1 18T201 17 N/A c3211b2ae9e1e43c2e0d5ca60375514dc7c0afee.zip 1,177,674,622
7.5 18T567 17 N/A 4d9721652850e35c587e3f9e2f26cb14b802058a.zip 1,172,999,238
7.6 18U63 17 N/A 731e01a65d38bddd6c30be83c511e31acb2923ce.zip 1,150,443,793
7.6.1 18U70 17 N/A a520592556d31d5fc3ac4ef831c7a540d9502a57.zip 1,150,450,562
7.6.2 18U80 17 N/A 96d7273f801ba914b69f1b5fa1127ad7c8013ece.zip 1,150,451,459
8.0 19R346 17 N/A 3376efdb9ed07ae18f6f9d6cf55780f004c061df.zip 419,495,085
8.0.1 19R354 17 N/A 072935a043a845a28020ba5cc50cb0b76b5ee6a4.zip 419,481,248

Watch3,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 410292935a311ce5607fd8ea7a38caea892d07ec.zip 1,181,029,846
7.6 beta 2 18U5533b 17 N/A bcc185fd1dc926a32746daac84d6878b87e305c2.zip 1,180,949,280
7.6 beta 3 18U5542b 17 N/A 68e6e12abab970eda82142d0c36fee868c3a8842.zip 1,178,257,615
7.6 beta 4 18U5552d 17 N/A 7f09789c2a8467c386c85dacd80d618fc9060b8f.zip 1,178,095,100
7.6 beta 5 18U5561a 17 N/A 4585b8f226bdac2d814e0b357e5b15db8d4e0c33.zip 1,155,471,096
8.0 beta 19R5266q 17 N/A e64100dde6eee33495d8c6950aee8f8917f38494.zip 864,389,797
8.0 beta 2 19R5286f 17 N/A ddd9a04a5a83ddc6f9be0427811915d15f5a2dd1.zip 822,542,902
8.0 beta 3 19R5302f 17 N/A f6bc5f5028224da9142aad2c44a9be4b487faffd.zip 750,819,521
8.0 beta 4 19R5312e 17 N/A 112f345d21540d04d399b1ac5023837164de4e61.zip 661,927,077
8.0 beta 5 19R5323g 17 N/A 4f8040edc556c19611bb6ff05805e52113a94d66.zip 482,121,522
8.0 beta 6 19R5330d 17 N/A 4dffbee1b39fa9ff4f62a34d7bb36a62ef99e91b.zip 434,903,626
8.0 beta 7 19R5340a 17 N/A 36af0352d7b61aba81706d2d783ab1881af0a01d.zip 432,854,147
8.0 beta 8 19R5342a 17 N/A 47f5c8adf10334ce27899563f1926df014015b95.zip 432,858,740
8.1 beta 19R5541f 17 N/A 0e8ff1f6d05aaf94634c0c0a72a6bed5b3360440.zip 431,146,503
8.1 beta 2 19R5551d 17 N/A 85a4d0e010016d9089720c1c4e5e7a18dcf9be3f.zip 405,068,121
8.1 beta 3 19R5559e 17 N/A 78f8b4a451b4febd212675f261f8e9562ebedf6b.zip 257,681,257
8.1 beta 4 19R5566a 17 N/A 7eac77c54b679f15cfb762c913553a4dd84ec35f.zip 243,858,178
19R570 N/A 17 N/A 48281bd804a802f9a885b5da47c42f6b680a7a91.zip 1,731,196,657
5.3.5 16U652 17 N/A 23d785888fd84facff9dd8cd1bd5d5cc3b44cb29.zip 1,594,998,172
5.3.6 16U662 17 N/A 9569554efb30d5609de869e022ebe20f135bcd8a.zip 1,594,997,998
5.3.7 16U674 17 N/A ac5353428e333aca5b5edb9a5147499ba86ba83d.zip 1,595,002,784
5.3.8 16U680 17 N/A 08b5a966d7b369f4f463ca5fba05761aae790c08.zip 1,594,985,948
5.3.9 16U693 17 N/A a70c85468ca505b366ccdf6cd2473aefcc6779e6.zip 1,594,990,760
6.0 17R575 17 N/A aa12c2dbbcdb330917c9ac9928467b935d9d20d9.zip 1,540,678,377
6.1 17S84 17 N/A a1e6fd91c28b55dc502a863c3cd563686bc004ff.zip 1,517,214,219
6.1.1 17S449 17 N/A 3e074ec02c82ae368c5af304c6625f3f26a4476f.zip 1,516,791,781
6.1.2 17S796 17 N/A e58d0ae7dc6044cab3f43ef7d32631f504bc8bfa.zip 1,519,036,629
6.1.3 17S811 17 N/A 73765c58f28589dfb010b6dd92ffc52fedb43536.zip 1,519,034,297
6.2 17T529 17 N/A 25db759a90f892084067656b3ba8cc1ed6d26058.zip 1,513,011,046
6.2.1 17T530 17 N/A 2df9492b9cd6306501ac7af0657c055248e4b733.zip 1,513,011,893
6.2.5 17T608 17 N/A 35d79981fee5dbb141ed848cde0a820353231b1c.zip 1,512,458,743
6.2.6 17T620 17 N/A d34e4b48e41f7d4942ed105620b18749a9c3efdc.zip 1,512,458,908
6.2.8 17U63 17 N/A c31871b9410efa7b726c61c56f6303e2cd0695f3.zip 1,513,059,682
6.3 17U216 17 N/A 3f47897203677ce9f039888cfe652785f48bcc5b.zip 1,513,484,912
7.0 18R382 17 N/A de14368f5c1e35fa7f467ef1270c2f6e877022e8.zip 1,225,195,207
7.0.1 18R395 17 N/A 42cb678fe1e778bed355ff35e0d9f1e81f482d47.zip 1,225,190,279
7.0.2 18R402 17 N/A 7a69d81dc0fc9197f8d06620ce75b5c18ffcd1ef.zip 1,225,203,137
7.0.3 18R410 17 N/A d77bc8d39448ddedfa184018c7d44c4bb56fab06.zip 1,225,203,105
7.1 RC 18R589 17 N/A 723bfe8693f9f4483d965eaf6e0e9f8acdb43828.zip 1,210,086,923
7.1 18R590 17 N/A 72e286e4b206dd948690c78533ff1b8bfbf0e23f.zip 1,210,088,185
7.2 18S563 17 N/A 7cdd44a71feb3f6422a959b15bfbb265c5450c21.zip 1,208,013,666
7.3 18S801 17 N/A 04602b6bbdb8ef143e6a0da789e45717821ef172.zip 1,207,527,476
7.3.2 18S821 17 N/A 0a12e1637ff22fd6ef5b5b5c806abe2edd7f836e.zip 1,207,511,364
7.3.3 18S830 17 N/A be7f838738d15cc88c026f1fc263fce38bfaad7f.zip 1,207,523,151
7.4 18T195 17 N/A 325d391da766e2352f2794265ad74cfd3120f35d.zip 1,182,498,778
7.4.1 18T201 17 N/A 570e3b008803299c8d26cc605469d69a4542fa0c.zip 1,182,496,588
7.5 18T567 17 N/A 4efd4ad02a41718c2757607b2c5d9c988216db75.zip 1,177,565,957
7.6 18U63 17 N/A 547340c10992360f045bd15ca1c4360a2ca9c62a.zip 1,154,983,942
7.6.1 18U70 17 N/A 154bfdd0d465d5c4f9337f8976dc73d57f9cd725.zip 1,154,983,953
7.6.2 18U80 17 N/A a6495f9d02dd72ebf03eef644a5f1ff38d53446a.zip 1,154,991,902
8.0 19R346 17 N/A fffdcb0f493bc79e5aae96bc0ea9a9bcba94e337.zip 419,525,426
8.0.1 19R354 17 N/A 5164e36bc7236d60d7538c45b20508c766c4fbc4.zip 419,510,277

Watch3,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 84e501dbeb654338f67c1bed19a9702cb2c3edb2.zip 1,114,438,459
7.6 beta 2 18U5533b 17 N/A 01883931a133d9821cc2cc28ba303660ceb4b4da.zip 1,114,317,989
7.6 beta 3 18U5542b 17 N/A 3d30906ee6e4265953aac9cd8363c7ae2637874d.zip 1,113,982,714
7.6 beta 4 18U5552d 17 N/A 89c19140aa777970b325f3159f078a8ff180da65.zip 1,113,832,561
7.6 beta 5 18U5561a 17 N/A a0a08fdbf70acdc31cc296b4e32fc4a376463d10.zip 1,113,692,137
8.0 beta 19R5266q 17 N/A 66c61339807b6aea353718a8200f76cf74f894fa.zip 910,019,906
8.0 beta 2 19R5286f 17 N/A 1c500866397f469fca6be9460fd4eadec955f7a8.zip 885,981,975
8.0 beta 3 19R5302f 17 N/A 84441ad19980d5e363501a02f1b0634e743cb3c2.zip 682,155,197
8.0 beta 4 19R5312e 17 N/A fda06048290121d66503b3c3ce41ce12102f9f91.zip 614,064,448
8.0 beta 5 19R5323g 17 N/A 787102749148e6613a879ff2cf2e4f8de4108170.zip 418,832,304
8.0 beta 6 19R5330d 17 N/A 31394ff8d7f29b8a31f0c145d693261c08023b21.zip 391,847,896
8.0 beta 7 19R5340a 17 N/A 00d61457f1ee4573c74f0475d297255642a682ce.zip 392,222,869
8.0 beta 8 19R5342a 17 N/A 5bbea5daaba932a0eb262128fbb28fcb2cc75f13.zip 392,234,372
8.1 beta 19R5541f 17 N/A 5270a5bf7d4e805b97d094998f4ce3e0fe8340fd.zip 347,575,488
8.1 beta 2 19R5551d 17 N/A 31a1ace815f649ecd258ffea50042088f4a69e8c.zip 312,435,970
8.1 beta 3 19R5559e 17 N/A 9265cac56e4823aca38bb3749fac3973c845b43e.zip 229,560,350
8.1 beta 4 19R5566a 17 N/A 51947089e696e89061498fccf1159fc1c4e7cd97.zip 212,178,344
19R570 N/A 17 N/A f6df9b25ca50f7a12ece07cee0d3ffacbd73be68.zip 1,657,132,616
5.3.5 16U652 17 N/A c9182679393506e0045fdc9e39234c1897444f82.zip 1,523,643,399
5.3.6 16U662 17 N/A f182b2190e6f69a0008c7633c48788d9eea527f8.zip 1,523,644,241
5.3.7 16U674 17 N/A 6e1c6c220c4a9c79b3b029dff170a1985a98b3c1.zip 1,523,650,834
5.3.8 16U680 17 N/A fff85437b6b21f15635a15d1859516ff3bb24b30.zip 1,523,634,393
5.3.9 16U693 17 N/A b768b44acbf86f3e343ecd796354189abbbaad16.zip 1,523,641,840
6.0 17R575 17 N/A 58cbeab201ee1f957676df4d8abfca7a51df533b.zip 1,468,734,190
6.1 17S84 17 N/A 696890dfe6293ba5d29fd3f1f3062a728c991aeb.zip 1,446,883,759
6.1.1 17S449 17 N/A f37172f36aef4e6a7f12878838d2f8c911d21489.zip 1,448,026,503
6.1.2 17S796 17 N/A 2bbcce6f9be460656e162bf45862378b1e0cd6f3.zip 1,448,613,692
6.1.3 17S811 17 N/A 9417e2bb7186e66d77a4c0ee0b6e425b448d0fe3.zip 1,448,611,762
6.2 17T529 17 N/A 3499d18cfae4dd436e7bc1a1cfc667c62e7bcedf.zip 1,441,224,906
6.2.1 17T530 17 N/A 13784b4c92818bcde7233f05cd017dec197452cb.zip 1,441,227,034
6.2.5 17T608 17 N/A 1f837f59bcab54de23579c64bea20837b9008ea8.zip 1,440,727,326
6.2.6 17T620 17 N/A 2c8765a5c2df9adf7df2255690e5acea8913fada.zip 1,440,726,786
6.2.8 17U63 17 N/A 1a19907fe936639294819484fb55e5991ae4da30.zip 1,441,206,992
6.3 17U216 17 N/A e1017c698260d24ef8cea93688e0afa894e90f55.zip 1,440,793,805
7.0 18R382 17 N/A 6964ff687d6c818ab950999ce10cf145cb0b42f9.zip 1,159,401,341
7.0.1 18R395 17 N/A 1de46ed2ae8d6d4fa176fa5de3d07b3a7ba1f31f.zip 1,159,397,539
7.0.2 18R402 17 N/A ebea0a2f896dfe6202e0bd969f811c6f1325251f.zip 1,159,394,346
7.0.3 18R410 17 N/A bf1e8b14209b9cf5c32909f2c18f1064d6e7ee68.zip 1,159,394,878
7.1 RC 18R589 17 N/A af6073174e2a6e8f756988febf00dc74495acad4.zip 1,144,924,303
7.1 18R590 17 N/A e1121bf095e1eb00db6874f5e7d1fce9169f1dfa.zip 1,144,923,098
7.2 18S563 17 N/A 19c474c90f252c45775075d9c16c015df11485de.zip 1,140,581,870
7.3 18S801 17 N/A b62ec6da6dab66bef28ac227c91d84d124c79361.zip 1,140,076,559
7.3.2 18S821 17 N/A 2a2b96d8457cb73e3d9d183270a3f122c6099f96.zip 1,140,065,642
7.3.3 18S830 17 N/A 46d88d832167b89de0c14ccbb558f22a29f863f8.zip 1,140,077,060
7.4 18T195 17 N/A e8361f68c5045f274151d10f24bc3f72c26dd9e7.zip 1,116,578,713
7.4.1 18T201 17 N/A 4580cfceafceaf238b3f0590fe75ab08e5b5229f.zip 1,116,568,681
7.5 18T567 17 N/A 07086d7070076d5d9a7bd33784a1c552212fa589.zip 1,113,780,746
7.6 18U63 17 N/A 98545ee6b526e0af03dd0ac419b305b16f0365d7.zip 1,113,230,691
7.6.1 18U70 17 N/A db7e53a5d127d531ac56408a1ae1a2a042d8b805.zip 1,113,234,042
7.6.2 18U80 17 N/A 4c395ebf948bcbc700c135bf3c5b558f45518b19.zip 1,113,235,555
8.0 19R346 17 N/A 55fa1e546b5c573457b7d19f5dfd4521bb3489ee.zip 379,681,061
8.0.1 19R354 17 N/A 2a1460c6bb8bcd4aac56ca87d13f082371a88bb3.zip 379,671,645

Watch3,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A f020fd947298eba81b37995afd861e9fee35f29e.zip 1,119,532,980
7.6 beta 2 18U5533b 17 N/A cb891774c33f505be34611466655214e87db8bc3.zip 1,119,403,721
7.6 beta 3 18U5542b 17 N/A 035a4f892725c6cb4c4916616e5ac34b6b50743c.zip 1,119,106,871
7.6 beta 4 18U5552d 17 N/A e8b92945f1d4392f6c0b7f151679dd305be5ba43.zip 1,118,937,945
7.6 beta 5 18U5561a 17 N/A 8482f123ad618c3f9826c378a60e2c5f17a2ef40.zip 1,118,799,342
8.0 beta 19R5266q 17 N/A d548b3491d812f91e815beac8fe57d075fb2ed1a.zip 896,326,272
8.0 beta 2 19R5286f 17 N/A d12c7c7945d54306c6db08ac093f4bcdfa66fcf7.zip 872,107,107
8.0 beta 3 19R5302f 17 N/A 928825dfa1192720a3ae265c928a61db135aacf8.zip 682,285,027
8.0 beta 4 19R5312e 17 N/A cdcb79fff79b6c11ca17974c92071b1d1a88a10f.zip 614,112,765
8.0 beta 5 19R5323g 17 N/A 49f5b400cc6537f3d01c54caf2464e2f328cccee.zip 418,881,223
8.0 beta 6 19R5330d 17 N/A 4ceadfd6488447ba8e5181ac6f27791de2992cd1.zip 391,889,007
8.0 beta 7 19R5340a 17 N/A 4ec70f440798169e17c85e3aff8d2d49654fc989.zip 392,270,885
8.0 beta 8 19R5342a 17 N/A d296619ca68a7d51968453d3cbe43fe8a26f8166.zip 392,283,244
8.1 beta 19R5541f 17 N/A b9ba0b8fb411815ced9d3d6b653f7bf1207ef919.zip 347,598,739
8.1 beta 2 19R5551d 17 N/A 4be740309928c5417d8b0f2b8bedb53523ccc66e.zip 312,478,189
8.1 beta 3 19R5559e 17 N/A 6791c8818e55e8e6041d4d02c0733eea04216627.zip 229,603,486
8.1 beta 4 19R5566a 17 N/A 1215229fed18626f092f9f26b45d191f3e7d4fc5.zip 212,212,339
19R570 N/A 17 N/A 5d506995b591374cd539624aabab0fbdd7e32dba.zip 1,664,761,376
5.3.5 16U652 17 N/A f59bf882c0e2136d78e89b58a63ee388d2ceeb81.zip 1,528,332,497
5.3.6 16U662 17 N/A 3b381fd9a287d70edfb8cecf0a1bc1454ed6ef2f.zip 1,528,331,432
5.3.7 16U674 17 N/A a1917a0032510db19767b55c9e0118ea042f8ae9.zip 1,528,344,129
5.3.8 16U680 17 N/A b23115f71b5c42c4247a614175a7b99b8a0b6366.zip 1,528,321,971
5.3.9 16U693 17 N/A d96ec9ff2bf118eca43af49adf2b7e07dafcf02b.zip 1,528,322,868
6.0 17R575 17 N/A bbb17e1736bc65e294c034ec026911bee2f9d0fc.zip 1,473,657,802
6.1 17S84 17 N/A 06db51f8b0069811c220954e189a054449a4dead.zip 1,450,816,280
6.1.1 17S449 17 N/A 7c992bd2bcee86eec6787885a78deb33321741b0.zip 1,450,188,013
6.1.2 17S796 17 N/A ceaea1adaaf354bf5e14103ba97307c426f2b343.zip 1,451,401,525
6.1.3 17S811 17 N/A 862df69f86dd1bad317ce9685132521e4671dd29.zip 1,451,402,430
6.2 17T529 17 N/A a8d738e9fcd1bae9d38dbb7ba13b915561ea7950.zip 1,446,345,979
6.2.1 17T530 17 N/A f62c0371c4132fbff559a3ee3f09e6dbe7287f0d.zip 1,446,350,153
6.2.5 17T608 17 N/A 29f1d70cadb620717c93be2a793eb2c06c96ac28.zip 1,446,744,667
6.2.6 17T620 17 N/A cc605c4e5a47df0cc3f546b35d1ffa718acbd807.zip 1,446,748,255
6.2.8 17U63 17 N/A bf162e15ff897a3a6b7c769c32d555861328ff32.zip 1,446,989,717
6.3 17U216 17 N/A 721aa2ad51c25caae7b4b12a29b327f7d3679bea.zip 1,446,212,944
7.0 18R382 17 N/A 1bcb9008f4a91de9e433a951c8a9e16c0adcabc1.zip 1,163,988,848
7.0.1 18R395 17 N/A 9257db9052bb928f8c5826c0e4f261ce3585bd39.zip 1,163,984,530
7.0.2 18R402 17 N/A e71620160573335e58136c3c0a9c982683d17e9c.zip 1,163,985,948
7.0.3 18R410 17 N/A 08330fbd43793610f6287af5b40ccadf3c507d91.zip 1,163,981,513
7.1 RC 18R589 17 N/A 6ca77c1cc96e3c647846143d249555a9c4f6dbfe.zip 1,149,936,257
7.1 18R590 17 N/A 24bf69f1284c444e845fd48c4eb410e3a5919fba.zip 1,149,938,272
7.2 18S563 17 N/A d20ec6125726c0cfacf86ef683e3cb35a835912f.zip 1,145,574,356
7.3 18S801 17 N/A ce32f878eda8f42d7411a0be94a9139dd9daa4fc.zip 1,145,074,151
7.3.2 18S821 17 N/A 0744ca0a1628d3ddccb475b8abda9855bc620f8d.zip 1,145,060,931
7.3.3 18S830 17 N/A c78b8f274ca77828d8e165b247d969ee2edd45c2.zip 1,145,073,504
7.4 18T195 17 N/A a0c472461b8f5e09d2f7876309d06ec1d6b5c109.zip 1,120,993,903
7.4.1 18T201 17 N/A faf1d8007985a68a261fa15d15bfdd540b3cfc55.zip 1,120,983,908
7.5 18T567 17 N/A c6e439c9530cce38a2aa964ff3e473fe0b29c050.zip 1,118,888,958
7.6 18U63 17 N/A 2c5cf5f9be396c43a9be7ce30a13ff905a5f3df5.zip 1,118,341,866
7.6.1 18U70 17 N/A 4f3a8d7ac85077da7279c87c9e838c030e72bd02.zip 1,118,345,247
7.6.2 18U80 17 N/A a3004c70da779e1b8561fa13c0ddbeb70ae8091f.zip 1,118,347,083
8.0 19R346 17 N/A 58795e31d12b49a8a182969ca855882974397521.zip 379,714,289
8.0.1 19R354 17 N/A 9f813ee649b62a773cb567e92356ccc830d6368e.zip 379,704,564

Apple Watch Series 4

Watch4,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A b935bd58e1192a59f13710e95810797120c5ac66.zip 1,278,336,382
7.6 beta 2 18U5533b 17 N/A 7f7316ce04f514fd73aed29296312595b7ce14dc.zip 1,278,160,552
7.6 beta 3 18U5542b 17 N/A 3060c1e07549c22db636a92dd8a92ac1476fad5e.zip 1,277,936,116
7.6 beta 4 18U5552d 17 N/A 480f73500f2637fcadf87b0dabf0d53610510232.zip 1,277,885,309
7.6 beta 5 18U5561a 17 N/A 5178fe2740d0b4b78bbabcaefc42723b18b4d7b7.zip 1,277,829,040
8.0 beta 19R5266q 17 N/A 02448bebdc5a77ee443485ef25616cb3b744bffd.zip 927,618,410
8.0 beta 2 19R5286f 17 N/A de86cd5c5242dcde6a656f443da0cd073a0200a2.zip 880,297,759
8.0 beta 3 19R5302f 17 N/A 0c8b6a1d03d850c040d06cc3feec7c4eb74d87d3.zip 561,138,551
8.0 beta 4 19R5312e 17 N/A 1ebe180da3a711a9659ce9305d00740fb2ad2437.zip 486,699,386
8.0 beta 5 19R5323g 17 N/A 2cd3692cdd7400f571abe344a3923eb7ddbe9a43.zip 463,288,257
8.0 beta 6 19R5330d 17 N/A df6545a7f0b724b6994d5375eb1fa4b56e94f79f.zip 365,465,228
8.0 beta 7 19R5340a 17 N/A 85c40c5e21aa86e9eafac7f0ef3ab0bf00425a92.zip 364,020,706
8.0 beta 8 19R5342a 17 N/A ca2b050f9c4645e06c488620ff2162c8d18198c4.zip 364,005,691
8.1 beta 19R5541f 17 N/A c54e6176e5306f0acdb207017f9a086fa24d2776.zip 336,778,881
8.1 beta 2 19R5551d 17 N/A 80aacb8f87dfbd22b23232a61e0f48304e6d23fc.zip 313,471,207
8.1 beta 3 19R5559e 17 N/A e2371e0b4dcec9ac63ac4b466d3e0ebcecdf1170.zip 202,930,947
8.1 beta 4 19R5566a 17 N/A 52578925e5d2dc54168df56663e23eaa646c4ba1.zip 183,601,847
19R570 N/A 17 N/A 5894edfc882ca62c133975667e67fad9a965ade8.zip 1,858,915,352
5.3.5 16U652 17 N/A b8882290175c4a53f8da9b42c0ed4557eed49e38.zip 1,707,588,328
5.3.6 16U662 17 N/A 99f3abdd71e0712b5091fd706a62ef4793393fb1.zip 1,707,581,368
5.3.7 16U674 17 N/A 06df58fcf0c5108b04af0a32b81bc541f30019cf.zip 1,707,589,198
5.3.8 16U680 17 N/A 98f2543514e782e8d34ca56a52f596e5630627f2.zip 1,707,582,303
5.3.9 16U693 17 N/A 51d63c977ddf315df547475e8be85314c928947d.zip 1,707,581,054
6.0 17R575 17 N/A f52f2c37ed8cb8797b9d42fa20f3a49c76ae3a37.zip 1,660,046,148
6.0.1 17R605 17 N/A 1cda1d3365c293adfe0676970568f3d5d18e202c.zip 1,660,004,135
6.1 17S84 17 N/A 98d41a0b3ec0769f502fcdfe2406d82794bb9dad.zip 1,635,051,212
6.1.1 17S449 17 N/A 7b242106f36a50a3395701bc3b752de69a6bc7da.zip 1,634,775,543
6.1.2 17S796 17 N/A 2a1d7896f9020b11ed15700d2a676e9416392c7e.zip 1,634,188,649
6.1.3 17S811 17 N/A 79c3a865c115037cce0e41a641d2c2b71fcff554.zip 1,634,192,564
6.2 17T529 17 N/A 985168726398bc01002df9503ebaa0c8cd0295f5.zip 1,627,922,400
6.2.1 17T530 17 N/A 0da9d7193ca020acd0a86af45b61ec4c67d0873e.zip 1,627,913,035
6.2.5 17T608 17 N/A 4123f3e05564e69fe270a3f30ae6ee42e57d6865.zip 1,627,413,977
6.2.6 17T620 17 N/A dd1dc45d21f23c9871be2a295b5e5f78d3849c2c.zip 1,627,410,070
6.2.8 17U63 17 N/A d1cae47f3296082b982ec895c73b31a6c05a0b49.zip 1,627,524,797
6.3 17U216 17 N/A ba0906337f32a15611489b9c5a4d6804866080ee.zip 1,627,502,136
7.0 18R382 17 N/A 8b4acec78a9dc12a9082205667a10044e1b18e89.zip 1,333,041,542
7.0.1 18R395 17 N/A fdfe10700d06a5030502568a547a28625522a1eb.zip 1,333,054,427
7.0.2 18R402 17 N/A 960a555e2c42a59e2e1cbf12841500cd0d36946e.zip 1,333,032,480
7.1 RC 18R589 17 N/A f4bc3955189fe4432da098e66b4e625e11d94adb.zip 1,318,443,160
7.1 18R590 17 N/A 5cd4aac39dc22aea3a4121075928dc327f4b631a.zip 1,318,442,254
7.2 18S563 17 N/A ffb12fa69026718f4c883fe119cc6482d572bda9.zip 1,316,986,697
7.3 18S801 17 N/A db73a02bc436aac86df0b5dfd8af4c76d8cc91c8.zip 1,316,434,453
7.3.2 18S821 17 N/A 7acdf941b74b886d29394da60bd60bddd8cbd7b3.zip 1,316,423,499
7.3.3 18S830 17 N/A 91d46ba1ebf16576d0e879604a14a03949b7e439.zip 1,316,427,592
7.4 18T195 17 N/A 9a220aac61f0760a8b842815e8640829b1b908ee.zip 1,280,131,075
7.4.1 18T201 17 N/A 5f9d9e22eea05e2a27ca9b06f6ad47a6c64ca749.zip 1,280,128,993
7.5 18T567 17 N/A 85461014d5ab822ed8388fb15a8024f7133a7e59.zip 1,277,871,288
7.6 18U63 17 N/A 7bb43d49a2e97e93ae12c6fdc4fe0914628f24fd.zip 1,277,287,053
7.6.1 18U70 17 N/A 1c6421104cd78bc145db336ac2e75a5ea6c1f5c5.zip 1,277,295,176
7.6.2 18U80 17 N/A b62c65dc45f6e088794ca6a216197a63318415db.zip 1,277,277,415
8.0 19R346 17 N/A 9efa39fc41f5965e3eae166585f4458ef4725920.zip 352,259,472
8.0.1 19R354 17 N/A e535e8d828cad9dfb6751a016bff9cd51f14285c.zip 352,327,002

Watch4,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 78a5ceb3c05a2c77dbd96eb90784b527c72262d5.zip 1,264,175,551
7.6 beta 2 18U5533b 17 N/A ca2df8606385abb7cff7ae1304e7acabcbf56f10.zip 1,263,978,193
7.6 beta 3 18U5542b 17 N/A c228eee2d610c750a4804c4698d73c43d75aec35.zip 1,263,821,995
7.6 beta 4 18U5552d 17 N/A 1d63d9e92ddcba6f1afe498ec1f1def3af15d93c.zip 1,263,470,025
7.6 beta 5 18U5561a 17 N/A 2f926c3ace31ff0d228429f551c387690dbe7133.zip 1,263,555,487
8.0 beta 19R5266q 17 N/A a2d6598cc86e37aa91e2379ac7a667dbfd087c17.zip 914,368,635
8.0 beta 2 19R5286f 17 N/A 05f93eb9195dee4c88e713393f8a73683405c2fb.zip 865,106,594
8.0 beta 3 19R5302f 17 N/A 00d275aa17850db4256817a7d8b16429e3a2621a.zip 564,391,932
8.0 beta 4 19R5312e 17 N/A 7b69efdd866fccec4e18d8fd7c31b33505a963b8.zip 489,750,269
8.0 beta 5 19R5323g 17 N/A 99ae916010cca0e1ab6b042421d3a5d8e39cb09c.zip 463,600,665
8.0 beta 6 19R5330d 17 N/A fd21790b96e3b9ddaf1e9cd0602100ac646b9691.zip 365,399,749
8.0 beta 7 19R5340a 17 N/A c9ca288cff143ad5d08fce192635547fdbca8a1c.zip 363,956,856
8.0 beta 8 19R5342a 17 N/A fcc610c9901020e59b5ba370af3c568ca8ec4b63.zip 363,954,797
8.1 beta 19R5541f 17 N/A 83742c918ef5b2b041ba3d3aa0cf548b03d956b8.zip 336,784,517
8.1 beta 2 19R5551d 17 N/A 2dceb8124126d3a5e097b34930b440a140178d07.zip 313,477,283
8.1 beta 3 19R5559e 17 N/A 95f264c29d0d752d84015144eefcf0f00127e939.zip 202,922,504
8.1 beta 4 19R5566a 17 N/A f072389c3278032a34c89e8488c1536154f73f0a.zip 183,600,000
19R570 N/A 17 N/A b5ce9f0286139bd16cd935943e52812ec30f081b.zip 1,837,629,840
5.3.5 16U652 17 N/A 64572e9e09119bff0b6ad14e30216fb8a18ed9b2.zip 1,697,703,624
5.3.6 16U662 17 N/A d5f8895c01205742746539205031a0cd87e18498.zip 1,697,702,353
5.3.7 16U674 17 N/A 8a1c96f84adef2600de9484ec4a856d23d8648dd.zip 1,697,708,328
5.3.8 16U680 17 N/A 55924fcd6f5472e41855cab5fefbdc2f952efec1.zip 1,697,704,663
5.3.9 16U693 17 N/A 976bc3ab37e1a06838e0236ed15b76e4b1e4f636.zip 1,697,704,160
6.0 17R575 17 N/A d19e450c049c242c09a9952d26908c05e8e48754.zip 1,646,456,321
6.0.1 17R605 17 N/A bce065f17591bc74dd2fde8bfe29141138e7280b.zip 1,646,441,738
6.1 17S84 17 N/A efb3d5dfc4e952bae867828666d9e6f41e8a17d4.zip 1,621,178,312
6.1.1 17S449 17 N/A 1acec6efb65e331609023689d1ff8e2aa39bbc47.zip 1,620,814,935
6.1.2 17S796 17 N/A b2ce8cbb4a7dfef2d0a0ef16055dedd31781007a.zip 1,621,422,899
6.1.3 17S811 17 N/A c9663a2d03fdffc05cc0a4c52e9d05eab5fa7228.zip 1,621,425,716
6.2 17T529 17 N/A e1841bc5b8f515dd3bd23488a78fb9c2f2477abb.zip 1,614,694,653
6.2.1 17T530 17 N/A 69fd15e4c1bb16585536c0780c13c862b313c024.zip 1,614,684,456
6.2.5 17T608 17 N/A 19259c689d66eb3ca83e2bdaf8f47cf320a9010e.zip 1,614,166,664
6.2.6 17T620 17 N/A d3234f079f747331772d1d5d419f2881737111b7.zip 1,614,162,817
6.2.8 17U63 17 N/A 14cc3deabea99f83398bea13bf1668dbf1035e46.zip 1,614,279,141
6.3 17U216 17 N/A 3f091e2f0fb43adc4c5a193571dfcd940f74ca8a.zip 1,614,256,754
7.0 18R382 17 N/A 2e78acc10baa33f4f60da7a1a1ca9e6812982cf4.zip 1,318,639,393
7.0.1 18R395 17 N/A 16489c2695c8e4710f82783c87f9d73673599e24.zip 1,318,645,308
7.0.2 18R402 17 N/A 30317d70f831f433786e3302e97ef1a8fb98daa4.zip 1,318,624,961
7.1 RC 18R589 17 N/A 09c10cda3634a19b57cd086922854931c5f8714e.zip 1,302,667,601
7.1 18R590 17 N/A 5c6d7789ade3afe28fa83596ff4eeb93f86eb7b5.zip 1,302,666,387
7.2 18S563 17 N/A 1a8bc486ffae7b4a8ccf36669fda34b8af0aec5e.zip 1,300,868,344
7.3 18S801 17 N/A 4eb1a6b114b99d3671aa7c4668f330fa8737cf72.zip 1,300,402,206
7.3.2 18S821 17 N/A f87f39046fcffce63ace8f342050329bdb0875cf.zip 1,300,404,281
7.3.3 18S830 17 N/A 69cb13e39024fcc4cae3aa208aa57f79d5f01bea.zip 1,300,399,503
7.4 18T195 17 N/A 40d216ac8d0dc93dd585a52fd6d8b772aef0ebef.zip 1,265,894,468
7.4.1 18T201 17 N/A 3c4005cd37042d85c04da430f0507eb99b99770d.zip 1,265,882,039
7.5 18T567 17 N/A 3b10be1f29662f4b9f1934b629876e2577f38977.zip 1,263,530,383
7.6 18U63 17 N/A ccecfd7d2dc55252b1964a3dd4e7c9c377976aa5.zip 1,263,082,685
7.6.1 18U70 17 N/A c939d08e524293d56c77276a17168fec92af9079.zip 1,263,089,613
7.6.2 18U80 17 N/A 271a466dcfeb3de82bd2e7b2f9c14dd7efa09a67.zip 1,263,078,289
8.0 19R346 17 N/A dfb57ba4bc456bb32f9a837c7a6dce48dd6cb1be.zip 352,252,509
8.0.1 19R354 17 N/A 4baa17c9d68a855264113f7b0af19e90ce45307f.zip 352,318,469

Watch4,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A f8bbc38e2c80eda366b6592d14b6fc00b151fe90.zip 1,317,947,650
7.6 beta 2 18U5533b 17 N/A 1a9420b8ead96035754b192ab83504f59e141bfd.zip 1,317,729,564
7.6 beta 3 18U5542b 17 N/A c62087166d5e5704568d6217b03559cd4a18d1a8.zip 1,317,557,984
7.6 beta 4 18U5552d 17 N/A 54a2ef44b134d0d905a41d19b9cc540566c1f3ed.zip 1,317,531,806
7.6 beta 5 18U5561a 17 N/A 5cb3d73636ff3da3ec2f379839544013cd945132.zip 1,317,378,809
8.0 beta 19R5266q 17 N/A ab99b4c4fd6ff6104ab885dd23f63e93bf8ba727.zip 963,237,890
8.0 beta 2 19R5286f 17 N/A 3a3bfdf4f455892f687678d1982b38e5e2fc7af7.zip 907,570,857
8.0 beta 3 19R5302f 17 N/A 54124c7d78f3fb38a4ce05d5ceacc5e4846a8bdd.zip 602,917,803
8.0 beta 4 19R5312e 17 N/A 361a0f46e6ea37a374f51568b453b7ebfcb7025d.zip 520,931,276
8.0 beta 5 19R5323g 17 N/A 48b620507faada09b68a9dd6929252050f26864d.zip 439,323,481
8.0 beta 6 19R5330d 17 N/A 4986d3e1e4ed5878fbf2355f64481f6f1f66b220.zip 393,228,378
8.0 beta 7 19R5340a 17 N/A d08502b971cf5c72339c09b32fd276cb64360c16.zip 391,964,009
8.0 beta 8 19R5342a 17 N/A 816c598f5bc5d4ddfaabdc1b6a11b8153f638eaf.zip 391,960,867
8.1 beta 19R5541f 17 N/A a59f5f92c8a1271378e04d607eb74e4d7a5757d2.zip 346,233,637
8.1 beta 2 19R5551d 17 N/A 58697d9ff3b0d172978b87b58ab4ab197616c3d1.zip 314,558,402
8.1 beta 3 19R5559e 17 N/A a5dff939ff7cb62a7ab8d56ababa5d2a1cb4c14a.zip 221,545,349
8.1 beta 4 19R5566a 17 N/A eda07b7aab45391da3b35f3c8936d2cb7df673e1.zip 201,931,681
19R570 N/A 17 N/A 093bfa32820c4f937a525687e42b9eed0a1308f7.zip 1,904,704,533
5.3.5 16U652 17 N/A 182ca4a4bd473afd77474fc351afbf2f0a232f9f.zip 1,753,605,717
5.3.6 16U662 17 N/A a831def0a786c03c666041fe65123a028c303537.zip 1,753,604,939
5.3.7 16U674 17 N/A 595d360f32f39fa015ae5fb880da4faff223a896.zip 1,753,613,611
5.3.8 16U680 17 N/A 68808d64302527cb426bfe0db4a9cbe8b441354e.zip 1,753,609,337
5.3.9 16U693 17 N/A f7d6b0bbf382f81acc03165a8875369ba5468ad3.zip 1,753,607,329
6.0 17R575 17 N/A d9fc58c4c52e22ac9274e26adfbbb74ec4595cb0.zip 1,704,380,486
6.0.1 17R605 17 N/A 6235f0c0626f495eea518ca74e00a3c129bf8ba2.zip 1,704,362,005
6.1 17S84 17 N/A c0271452583b347013422cdea25e3d4bdcba55f7.zip 1,680,840,422
6.1.1 17S449 17 N/A 70eaf21f79dbbde399abc7dcfb390df7cce918d2.zip 1,680,292,048
6.1.2 17S796 17 N/A 28178cbe1d1ed76c0894d986feb33ed5f98a7a5b.zip 1,678,969,851
6.1.3 17S811 17 N/A 1b69fd51eb4b603c7f108511a7cd86f7785661f5.zip 1,678,974,583
6.2 17T529 17 N/A a5693398c1f6a11ada53d7e7af0b310d266d23f7.zip 1,670,810,700
6.2.1 17T530 17 N/A dd82926f3f46f10b7acf12eb00f24f862bdb33d2.zip 1,670,816,648
6.2.5 17T608 17 N/A 7dea378fae0fc288e46e67f9b662e97687fa9dbd.zip 1,669,660,831
6.2.6 17T620 17 N/A 208832cee757c676b9a5af3750825fdcb90308f4.zip 1,669,657,720
6.2.8 17U63 17 N/A ff4db3896c699a3a5eed14e06b63ee9586397385.zip 1,669,729,266
6.3 17U216 17 N/A 73ef4c7a7ddc55a10cf34a79dd6413f58e62c4dc.zip 1,669,708,812
7.0 18R382 17 N/A 1f7edea862f833849be391d936af8793499c08cb.zip 1,373,415,732
7.0.1 18R395 17 N/A 3264d4ba1e4475d0dbec9a14dd87230d9963effd.zip 1,373,418,488
7.0.2 18R402 17 N/A 998f55ed6559d47c2a841e32ec9b493ca4e5245a.zip 1,373,424,132
7.1 RC 18R589 17 N/A 02002707428ced0c4c2d0027866504cd29609341.zip 1,357,568,782
7.1 18R590 17 N/A 0fb3ca521ca9afdbc225f9e7a31734bad56473a1.zip 1,357,566,071
7.2 18S563 17 N/A 1f79c90368ab78352219061b01f39c6abdad1eb8.zip 1,355,954,771
7.3 18S801 17 N/A bed9b08e9d27c1fdf296b4add77cf039ca530fdd.zip 1,355,392,608
7.3.2 18S821 17 N/A 183001bbb32dbd79e8a66db2c344a09af99fefb0.zip 1,355,393,258
7.3.3 18S830 17 N/A dfd0ff6e4a93325fa1c5241209b3e01b604d1060.zip 1,355,398,539
7.4 18T195 17 N/A 4dc33af3ab07a18cd83035e3161e021c4348d726.zip 1,319,915,708
7.4.1 18T201 17 N/A 76c5b4b431d1e8bcbb911d578f0919b171e89623.zip 1,319,913,021
7.5 18T567 17 N/A 38e851d46c832a595cc64c82d3252ed0a4a59737.zip 1,317,816,687
7.6 18U63 17 N/A 6585cac4ec28e1da17ad0170f174226594882842.zip 1,316,914,502
7.6.1 18U70 17 N/A 9583f64a8385a2b3f768201e73d398848b174c8c.zip 1,316,915,443
7.6.2 18U80 17 N/A fddc3facacb664d351657b4f74297750071e52f8.zip 1,316,911,631
8.0 19R346 17 N/A d1fde5994ea2a16a1e8bce64835a2dfcf870d8de.zip 372,019,609
8.0.1 19R354 17 N/A ff2622126ed5a57acdab33300e0f6b0d42de9dfc.zip 371,979,264

Watch4,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A d0e60a499c61978773ad624d1034991d5d2b081a.zip 1,304,496,992
7.6 beta 2 18U5533b 17 N/A 46e03994bc472124bc9d76cdf6e12339f0f0640d.zip 1,304,277,584
7.6 beta 3 18U5542b 17 N/A 3a2a0fd02660818d0bc3decf67c8740e33904b7a.zip 1,304,949,649
7.6 beta 4 18U5552d 17 N/A 74860a927abb5ae68ee54ee64456dde8a9a913c4.zip 1,304,039,127
7.6 beta 5 18U5561a 17 N/A 46642215ddc9cdbe0645eef4cfa2b2d09dd3fd66.zip 1,304,150,725
8.0 beta 19R5266q 17 N/A ac8f5f81bca95b6275b53b92d6f5ea5083e34d17.zip 948,634,975
8.0 beta 2 19R5286f 17 N/A fa4d07f0eeaea4e840af6010ed7c47473707fef5.zip 892,655,139
8.0 beta 3 19R5302f 17 N/A 827f9a43fdb0198b87cb76e0995717d672eca15b.zip 606,234,199
8.0 beta 4 19R5312e 17 N/A d2f3ea0cccb046ba2d96b2d882e5dfc853ea8832.zip 523,644,824
8.0 beta 5 19R5323g 17 N/A 0d1ad64061f471a7da6c1a99aba764510bcb887e.zip 439,548,131
8.0 beta 6 19R5330d 17 N/A 0bf4e318235e372df76a6d2c4e065fdf57fe49ea.zip 393,305,363
8.0 beta 7 19R5340a 17 N/A 23bfb31cb75834ea2481f25199c7d54cfb2be893.zip 391,919,244
8.0 beta 8 19R5342a 17 N/A 8186fbd8d37627b34e6e08ea7b0adc873f6c84ab.zip 391,921,270
8.1 beta 19R5541f 17 N/A ceaf13054d78a2e4b63c69ab672fc0385559e931.zip 346,230,059
8.1 beta 2 19R5551d 17 N/A bda31ccef0f2c94ccfbc89ec1b819fb6b0f2912e.zip 314,561,226
8.1 beta 3 19R5559e 17 N/A e033ed0872947372fbd4d868f91556c3fd37a421.zip 221,518,802
8.1 beta 4 19R5566a 17 N/A 02a90bedb6d220e9605bba5a8c4433d2bd5bae58.zip 201,927,123
19R570 N/A 17 N/A c6eb8fb99f06236f530b4de84cf6b3aca2d26963.zip 1,884,154,340
5.3.5 16U652 17 N/A 1b7df3e710b9fe03a2e3a6c1058460974e7eb5d8.zip 1,744,898,442
5.3.6 16U662 17 N/A 6105b67b6f0e1b9d7acb5df586311d260d11e344.zip 1,744,897,555
5.3.7 16U674 17 N/A ad12400bc7aabc2583749b8cc13a2f821880390f.zip 1,744,903,203
5.3.8 16U680 17 N/A f67b5b982c31a21faffffe5b22f451a955ff4ddf.zip 1,744,897,681
5.3.9 16U693 17 N/A 7b4434f5425b63a20fb365ec589763f53b53bf03.zip 1,744,900,983
6.0 17R575 17 N/A cd3a439713f5c03e020ba839deb1d55169a66514.zip 1,691,705,478
6.0.1 17R605 17 N/A cc6323055417795d7ce5296e01e9efcf5199e4f6.zip 1,691,698,880
6.1 17S84 17 N/A 004689d2f9ff26ff16e5a3589c1ebedd0d6e58bb.zip 1,666,969,104
6.1.1 17S449 17 N/A 9118d5ca997a41b189b4f1da22de0a1329d5e2d5.zip 1,666,780,472
6.1.2 17S796 17 N/A 2764cae193652d7c083fd77e1d49f9df0fe2e173.zip 1,667,192,792
6.1.3 17S811 17 N/A d8c2b9c8947ce7f16f8bc8da82d3e97b9e96034d.zip 1,667,195,378
6.2 17T529 17 N/A 1cb1ac811908309d4e9f62652938cd3bf215aff6.zip 1,658,335,436
6.2.1 17T530 17 N/A c8fba2011f20cdf9aecdfd82995531533af8c8fd.zip 1,658,341,539
6.2.5 17T608 17 N/A 8fe62731016f0db621b6bede7c7271887c0accc9.zip 1,658,098,943
6.2.6 17T620 17 N/A 8322655c996ed32f05e69fd7ad3f55b6e7bff53d.zip 1,658,097,181
6.2.8 17U63 17 N/A d2140cc74a10b5d2a01c6469ab6fbf1c892a16c8.zip 1,658,195,471
6.3 17U216 17 N/A 4d1f949f8f5628abb27f0aa952db621d28afb6d6.zip 1,658,174,424
7.0 18R382 17 N/A 34f53d5ec7d05d1326bf902d8caebdc55ba2372f.zip 1,359,545,467
7.0.1 18R395 17 N/A df1fd42eb3ec93fbc802c13fcfe01d9edae4355c.zip 1,359,541,307
7.0.2 18R402 17 N/A eaae4b055015b99b690a39a722fde08f19aa3328.zip 1,359,550,077
7.1 RC 18R589 17 N/A 0a8138090974a50124d5abcf305f959894182197.zip 1,343,734,539
7.1 18R590 17 N/A 546a0f21007ddd3a3a6cc9e5f11eb0ff2fc8b60c.zip 1,343,731,070
7.2 18S563 17 N/A 8f119472982557565aaeb30cf1ce3e412ec5f46f.zip 1,341,287,397
7.3 18S801 17 N/A 7b49f2abd1241c2008cc9af632c074c6ffaa2ddb.zip 1,340,699,751
7.3.2 18S821 17 N/A edefd55ad95dfda2c1fe37aeac1814fb0238a901.zip 1,340,710,606
7.3.3 18S830 17 N/A 0dc3164455d8ab9b17896868cc5cecc928212cc0.zip 1,340,705,765
7.4 18T195 17 N/A 907c0af41516aa8d7030baae5e735878fd54d79d.zip 1,305,902,456
7.4.1 18T201 17 N/A 934a3c26587e700e2f53bcef5e4a8c628b88c6ca.zip 1,305,894,446
7.5 18T567 17 N/A dd12fe67788c8a602434788d10f0fd37435a471b.zip 1,303,694,831
7.6 18U63 17 N/A 7b73b7f233f59f7f5ab82c33488039ff7a0d2584.zip 1,303,196,923
7.6.1 18U70 17 N/A 52931f6e0a4e60eeabf5e61867c0e6c7e0f91b1d.zip 1,303,210,913
7.6.2 18U80 17 N/A 87b19e4cb7b1cfc1d65f2e35c77df573ba41bc58.zip 1,303,190,110
8.0 19R346 17 N/A 01e7807fc09694465da24681bd1c176cf41ef751.zip 372,018,905
8.0.1 19R354 17 N/A 2d8d8de9bf9bc0565d8eaab3410ac500b1375617.zip 371,977,527

Apple Watch Series 5

Watch5,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A a1b71ed6c103a32624f95608ae806133df70aa1c.zip 1,278,378,371
7.6 beta 2 18U5533b 17 N/A 7cf5d9b6d2ebf24db076057bf4d848521ac02757.zip 1,278,149,733
7.6 beta 3 18U5542b 17 N/A f322f5d2323dc0765ff196c2dd8ca1916857d466.zip 1,277,980,475
7.6 beta 4 18U5552d 17 N/A 37de5a2ad06c4249ed45dd5c58bf5f1c21d6fb2e.zip 1,277,703,374
7.6 beta 5 18U5561a 17 N/A 5c102e7e56e33a81f7d692d3229367e3c902aa90.zip 1,277,700,158
8.0 beta 19R5266q 17 N/A de2e0dc37744f55616c4fd4f21c0fb043826bdc7.zip 933,023,546
8.0 beta 2 19R5286f 17 N/A 4615106273cef5b2c966f10b8e69b8b85cb85dbc.zip 862,359,864
8.0 beta 3 19R5302f 17 N/A a180240e18b14f40dd1423f10c044ad0c694b157.zip 551,597,812
8.0 beta 4 19R5312e 17 N/A 55f86c145e9623364ad6ea740fe4a0ae3ffef1b9.zip 496,838,044
8.0 beta 5 19R5323g 17 N/A 3e25e39eae89d3b5e2b6d72236ccc8ad76b25d7a.zip 434,244,903
8.0 beta 6 19R5330d 17 N/A b1c43547cc40da932c0d92d1dfa5c169daea5adf.zip 380,720,821
8.0 beta 7 19R5340a 17 N/A 04187a82e50f3b492c91a9379257966f3bcc2d72.zip 379,484,257
8.0 beta 8 19R5342a 17 N/A d138ef6b23414da69bc5e002b5d7936b73ba1011.zip 379,471,166
8.1 beta 19R5541f 17 N/A ef763226ab4f978b79a2fe1fa4a3f21507c47758.zip 354,224,002
8.1 beta 2 19R5551d 17 N/A 620c58e802f70c84c996daa47bee99ce72098d6a.zip 327,243,472
8.1 beta 3 19R5559e 17 N/A e8b089fa5dad83764200fd943efeee6b8887daef.zip 202,583,057
8.1 beta 4 19R5566a 17 N/A af20b3ec4b36e24f41aef7a81fbeacb8284048cd.zip 183,787,068
19R570 N/A 17 N/A 10f4d12d4593fdf4aaaa974ae239eca18c1cc4ad.zip 1,858,516,275
6.0 17R575 17 N/A 70cc3145f366f96bbf8184810faa9690651a145e.zip 1,659,379,111
6.1 17S84 17 N/A 7963e8c4385e58917a44839f71bafa7aaf05c694.zip 1,634,202,020
6.1.1 17S449 17 N/A 6e75be914a8bdc1a568f39a450e7f6d766454704.zip 1,634,118,389
6.1.2 17S796 17 N/A f833e881b3df26bbd688fd0eb3c522ba039aa27d.zip 1,633,881,695
6.1.3 17S811 17 N/A ab746b1444544dd7615ffb62586778b4a2f7d8ca.zip 1,633,884,551
6.2 17T529 17 N/A 5d0fca2d8e7f13673ea1b8096ba8ae59884412f1.zip 1,626,322,038
6.2.1 17T530 17 N/A 1429dd4f406de2839466e15ec734e23c86f71604.zip 1,626,323,929
6.2.5 17T608 17 N/A c53532162ee687ab1c545227d5f5b924528b14a6.zip 1,626,279,081
6.2.6 17T620 17 N/A 99bbb68477197d0c5dcfb95b75f21a144fe6ace8.zip 1,626,279,807
6.2.8 17U63 17 N/A 962493e391fdf8b54cf3d1756a71a8ca8fbe50ca.zip 1,626,376,429
6.3 17U216 17 N/A c0d2f8523efc08c037dee9ebf389d6aaacd2dd4b.zip 1,626,359,829
7.0 18R382 17 N/A 295d7e7aea306e099a75ff56868c2c6a5ec44a84.zip 1,332,417,379
7.0.1 18R395 17 N/A 264cc50a8acbc18df7a071cf92ebff317f03846c.zip 1,332,409,540
7.0.2 18R402 17 N/A 9b6ab85e6dd3716afe36fe3e307405dd14a85d48.zip 1,332,412,090
7.1 RC 18R589 17 N/A f9f5485ae717724ac8b2b3f5f899d5001c506458.zip 1,317,988,034
7.1 18R590 17 N/A 92c43dbf797540d77a0aeb2b0ffbc5660185f7cd.zip 1,317,983,004
7.2 18S563 17 N/A 8c5ef2b10f86381d91c047925dd65978a13fd488.zip 1,315,339,222
7.3 18S801 17 N/A 70406a5039ad93f90949c8c477a6695cd6e84cdf.zip 1,314,870,735
7.3.1 18S811 17 N/A 9fbfaf03cb1dd1c2cb07cbd2e89020462dbd0e6b.zip 1,314,872,459
7.3.2 18S821 17 N/A 8df026ab4e830308fe5aad796850f1ec0c60d2a0.zip 1,314,879,304
7.3.3 18S830 17 N/A de34c4aa70e9a64ae4e505fec334f0d9bddc0274.zip 1,314,871,121
7.4 18T195 17 N/A 52040beb0c1f949f7f6e721bcb4c2e6d06cba09a.zip 1,280,419,678
7.4.1 18T201 17 N/A bb258b337835e29fc910a7ba6c9b857a15e8bfa4.zip 1,280,410,747
7.5 18T567 17 N/A 1085e8efd1301a9eaf2afae5690eea1d2b2ca679.zip 1,277,806,034
7.6 18U63 17 N/A 3e1c463b49237bd522cff2aed99a5f4495adf3fb.zip 1,277,202,419
7.6.1 18U70 17 N/A b71c2e6688facdc62f012147ddad04cdf211ca4b.zip 1,277,210,315
7.6.2 18U80 17 N/A a4a31beddd4f47325e77e1dde6fbd69927c2891b.zip 1,277,193,502
8.0 19R346 17 N/A 3cfccc03f92cd05328601bdf81a854efc5b2d0f9.zip 368,557,838
8.0.1 19R354 17 N/A dbe81e81af78928a7eaf1f84b6e6ae380eb54045.zip 368,477,736

Watch5,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 7df47fb062deb1ba9369f311d75cf1fd1d1a5966.zip 1,264,478,624
7.6 beta 2 18U5533b 17 N/A ab03c3ae7a4a950fa74047b3699a087278a5c6b6.zip 1,264,261,495
7.6 beta 3 18U5542b 17 N/A 69e76514f27d828ed22625d26b01c1ed15c549ed.zip 1,264,121,965
7.6 beta 4 18U5552d 17 N/A ca23fd68b689839584ca63685fc40bbad5698508.zip 1,263,768,904
7.6 beta 5 18U5561a 17 N/A ddf6980240b167653d0c49f75a00233096456d11.zip 1,263,780,176
8.0 beta 19R5266q 17 N/A 128091d470d525bdb97c3e5ea5806acd64d26498.zip 918,977,232
8.0 beta 2 19R5286f 17 N/A 541a22a4af2af7a1a358a17f8bb3cf0da9641c48.zip 848,545,045
8.0 beta 3 19R5302f 17 N/A 624b611bd6d181917f167ec78266039810fd8544.zip 554,757,773
8.0 beta 4 19R5312e 17 N/A 7965de14ba7c7a769e33e32ef5d4d979640e6c5a.zip 499,839,877
8.0 beta 5 19R5323g 17 N/A 6dbcbe550ab1811b1458a8a6588f37edb11a18a0.zip 434,670,505
8.0 beta 6 19R5330d 17 N/A 5c86df02c07552ff672ac2427865473f48914158.zip 380,736,310
8.0 beta 7 19R5340a 17 N/A 787285ee9e03b45fb539feb1c0b7de06d799e8d1.zip 379,523,966
8.0 beta 8 19R5342a 17 N/A ac5e4203e99a74a78947e0a7e2388ff0891bf87f.zip 379,511,072
8.1 beta 19R5541f 17 N/A 23623f9fa84a0ebf0fc334e94c56a2fb2565a16c.zip 354,236,165
8.1 beta 2 19R5551d 17 N/A 91144ed27f0333a7abe2e907d19d52a77696c800.zip 327,237,159
8.1 beta 3 19R5559e 17 N/A 8224730e44075cd1b6f7e39f98b31951ef76cb7c.zip 202,583,137
8.1 beta 4 19R5566a 17 N/A ea907c8c3202f9fa3a2bb9b49701ed6766d6b3c1.zip 183,781,334
19R570 N/A 17 N/A 3d32dc00e65c05218473c144cef389da8ec74b50.zip 1,837,761,836
6.0 17R575 17 N/A 22b95eaad46aee7509a75f677d12df20088e866f.zip 1,647,089,318
6.1 17S84 17 N/A 06f6bba49ec57b123a9ec9122246cd1bcdc4d566.zip 1,622,239,787
6.1.1 17S449 17 N/A ee52343b4eae305e7aec729dbf133b234f0964fb.zip 1,622,058,284
6.1.2 17S796 17 N/A c446e3944db02517b1cea906486ffb84ed356b10.zip 1,621,315,830
6.1.3 17S811 17 N/A 449d7ab19e14b20d021d9bf2324eced65a15cc63.zip 1,621,326,423
6.2 17T529 17 N/A 7b5e00f976a4926c047327a9e4bf5655d33b1a2f.zip 1,613,757,095
6.2.1 17T530 17 N/A d88a235c5f5960e99578f2ad0a25f94900730963.zip 1,613,754,947
6.2.5 17T608 17 N/A 7aa8d3f945a87de39dca19309c4f70a7aeef5b93.zip 1,614,029,146
6.2.6 17T620 17 N/A 6e84df9971a3631e2fdb385b7366647ed201f877.zip 1,614,029,346
6.2.8 17U63 17 N/A ab1ac33d0d4e14fa811da5d28398ddb2d92cb6e6.zip 1,614,184,702
6.3 17U216 17 N/A e168496da50c269e3b58d4e46dfc7f13dccb16a7.zip 1,614,166,023
7.0 18R382 17 N/A 3308ed37f94d83d8bb72fc7629fabe3380e39db0.zip 1,318,990,992
7.0.1 18R395 17 N/A a67a58b1b434a451d8d864d0dfc4ca4c2c45fd5f.zip 1,318,986,847
7.0.2 18R402 17 N/A f7c684d431a928e51813b342ede92d067dc1874c.zip 1,318,989,050
7.1 RC 18R589 17 N/A e8f778c2d6d3c1b1ded85884d44a65b4f9d984fb.zip 1,303,432,637
7.1 18R590 17 N/A 1aadf8e7690292217ab3dc75ba57921909d189bd.zip 1,303,431,693
7.2 18S563 17 N/A 69f5f71b0fd136b7ff8f0775d94204c5f88cb0ee.zip 1,301,153,135
7.3 18S801 17 N/A 12b5034d4549e82bc5377c7d009412bd1c935baf.zip 1,300,619,231
7.3.1 18S811 17 N/A d4d45c26aa03499c4285419697875c3ef8192afa.zip 1,300,623,621
7.3.2 18S821 17 N/A a8e758378c446d148cd758124f76459bba950458.zip 1,300,617,113
7.3.3 18S830 17 N/A 078b4dc8436a9102fc282f88f89a73b42e335f9f.zip 1,300,626,101
7.4 18T195 17 N/A e3013de158558076d12617061d1d4cd6009fb7c7.zip 1,266,197,221
7.4.1 18T201 17 N/A 7679e7fc083d54b236415b73099bb3256d115613.zip 1,266,188,695
7.5 18T567 17 N/A 1616bd99857363e937171caa62bd2fbe95da8839.zip 1,263,831,897
7.6 18U63 17 N/A f099caf85d4b64ade93e425c5d515e58368981e3.zip 1,263,351,398
7.6.1 18U70 17 N/A bf0e7ab49493b4b906a5027b15368cef85e0aeb2.zip 1,263,355,823
7.6.2 18U80 17 N/A 08744d94b27c4ad101b89589ed5bf613f69f6566.zip 1,263,345,487
8.0 19R346 17 N/A 942aa6354ae5a634013bf5efd7d759f65998d110.zip 368,556,580
8.0.1 19R354 17 N/A 7140cc5a6ab82503d343247cabd8bccc4b21871a.zip 368,480,320

Watch5,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 86f54ca90e638ee004c3c6e622ce2e3eb6d31c1e.zip 1,318,608,561
7.6 beta 2 18U5533b 17 N/A 582abd3553684de10394d34b6ba1000c1c820f31.zip 1,318,385,472
7.6 beta 3 18U5542b 17 N/A bd5f9cb45d47680dc55dd3055c285d0cd6fe0804.zip 1,318,220,490
7.6 beta 4 18U5552d 17 N/A f300c002f2e3cef2c0fb8b0228cecd420d3d73b7.zip 1,318,201,095
7.6 beta 5 18U5561a 17 N/A 66bd7d85bd3ef7107b85e008ce1396aa55db7d34.zip 1,318,021,996
8.0 beta 19R5266q 17 N/A fdd896cfb41bd4bea7bdc56f283c99fee57e381a.zip 963,586,291
8.0 beta 2 19R5286f 17 N/A 914888e6eed9e69cfaedcf130a2689bf16423f44.zip 908,122,558
8.0 beta 3 19R5302f 17 N/A e0fe54fd609cf4948f515e840018add69e4a0f4a.zip 603,325,284
8.0 beta 4 19R5312e 17 N/A 2b13e550f12ee16fd7fe78f941ac7090178a5cd4.zip 521,730,983
8.0 beta 5 19R5323g 17 N/A 2153f2c5ebfb21216b8534b5056a7f83725417bd.zip 440,591,838
8.0 beta 6 19R5330d 17 N/A 135ba319336d332739895cf33e3da1e43def86db.zip 426,796,472
8.0 beta 7 19R5340a 17 N/A 1e0918d854df07a050067471e7edeaad74fdf295.zip 425,379,649
8.0 beta 8 19R5342a 17 N/A 668efea9b9a1c1ad08dbfb6a8420f31aee70ef5b.zip 425,375,768
8.1 beta 19R5541f 17 N/A 06efcb3fa6675fe073a2a7ec37c5f6827aebe6e5.zip 347,100,979
8.1 beta 2 19R5551d 17 N/A e01e510c91ba11256e9388e42bec566d527dc114.zip 314,783,326
8.1 beta 3 19R5559e 17 N/A 9efaf3bf3cef59c536f4ab0bc7d99a60d64ae686.zip 220,157,773
8.1 beta 4 19R5566a 17 N/A 28e8437715a2be13d3c7901d475ff4b7e1a22d99.zip 202,357,623
19R570 N/A 17 N/A ea7f3245e5acd902e9ffd935e41bdbb76d0c5f0e.zip 1,905,673,010
6.0 17R575 17 N/A 063ed78c03d10425c69b614f8f7266bfbd701f5b.zip 1,705,254,062
6.1 17S84 17 N/A b396b83b16cd7019b99b7d498fa844ee12053945.zip 1,681,729,135
6.1.1 17S449 17 N/A e6abfacbfa9478d8e1cb1e7134c611de1fd41a58.zip 1,681,296,308
6.1.2 17S796 17 N/A 37a8e309cc993960ef52047d6276cf15c190bd21.zip 1,679,905,719
6.1.3 17S811 17 N/A 1c2db54edb2228b7fc9f311cf46107d23d34d402.zip 1,679,907,969
6.2 17T529 17 N/A aedf6d2c96d6d9ec651132377046c3f6e2844e84.zip 1,671,645,109
6.2.1 17T530 17 N/A b75702b8e6b35160343e1739652ce72f45c77b75.zip 1,671,655,068
6.2.5 17T608 17 N/A df6acfaf61f42741c5afbe3a12538d6adc90432c.zip 1,670,417,957
6.2.6 17T620 17 N/A e029d0ca7ed9e6bfc2d7316b65a32ac91dd0ae58.zip 1,670,416,937
6.2.8 17U63 17 N/A f4519ea5ee5b1c22faffc03aa67e15eee9e394a1.zip 1,670,490,493
6.3 17U216 17 N/A fa039f7cecbc5a01f5575959d3b09c99f757289e.zip 1,670,468,569
7.0 18R382 17 N/A 1c5734cc3fe088693e491faf12dc513da51359eb.zip 1,374,146,811
7.0.1 18R395 17 N/A 01bfe706ad29ab6559c4f0932371b01a1208513f.zip 1,374,133,371
7.0.2 18R402 17 N/A 18d65bc6d92071fb6f7a354d5046158dbbc50ca7.zip 1,374,144,891
7.1 RC 18R589 17 N/A e2bd0484124f1fa24e70072ad078281eeadfa2b8.zip 1,358,274,496
7.1 18R590 17 N/A 5c746f83e3676debff5ef696a73abd9380ff9389.zip 1,358,268,109
7.2 18S563 17 N/A c4575f02a4c52794fe9864e9567309f161c0dffa.zip 1,356,658,109
7.3 18S801 17 N/A 412ccfc0f201e1771cb5bea06c495a7ae2c93dd0.zip 1,356,085,850
7.3.1 18S811 17 N/A e7ac5782187d8b6facd090887b236097876d97e6.zip 1,356,085,928
7.3.2 18S821 17 N/A d2c6d8d57d84fb29e78bb3e990e3c3c3e3bb2e8f.zip 1,356,095,739
7.3.3 18S830 17 N/A c7a5723048055e5c35fc4d503b322fd1a65b9bfc.zip 1,356,095,649
7.4 18T195 17 N/A 125e7724388396a73f8781ab52745fdccbc17965.zip 1,320,586,575
7.4.1 18T201 17 N/A 07806e16286915f604b4df202ae82f80dc09ccc2.zip 1,320,577,242
7.5 18T567 17 N/A ee374dfd4ac6afcbad24a685eed0963ecbfb6cf7.zip 1,318,473,274
7.6 18U63 17 N/A 8b150c5eea59ab687d54aee9ffd911c17aaa4083.zip 1,317,553,150
7.6.1 18U70 17 N/A a43be64dced3eb1d1c66343910a7b7e526ff7106.zip 1,317,561,117
7.6.2 18U80 17 N/A 06e5f40feba51c173d27129a285bbaf9a8bc8ff9.zip 1,317,557,997
8.0 19R346 17 N/A 7fd390dbec791908392f2dd2c68f258f08b57145.zip 372,365,679
8.0.1 19R354 17 N/A dc271abb1aee21e7efa4860ab87bad264679c5fd.zip 372,163,211

Watch5,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 41299a6281c96dad61ea1c94a3e8a4d6a9f8b4b2.zip 1,305,166,410
7.6 beta 2 18U5533b 17 N/A 263a9a69e6590800adcbc1208ccf4dc6b68f6b43.zip 1,304,944,271
7.6 beta 3 18U5542b 17 N/A cf3f1b0f97ffff4ec548b1700e5cb4ec9189e110.zip 1,305,618,525
7.6 beta 4 18U5552d 17 N/A 235d42ae9578b267e2c2c39f8b72ac14f06b06cb.zip 1,304,699,783
7.6 beta 5 18U5561a 17 N/A 17073214d7c68e81c6b150e87521a1846397750c.zip 1,304,802,774
8.0 beta 19R5266q 17 N/A 55d07c2f0546e938caffb8bbade49240960f2134.zip 948,972,095
8.0 beta 2 19R5286f 17 N/A 18af64750adb5b994712b32cd2bd5ddaff1fb6d0.zip 893,204,465
8.0 beta 3 19R5302f 17 N/A 2c5de8ce6d2641d638c0ee5e00e3736cdbfa9917.zip 606,667,094
8.0 beta 4 19R5312e 17 N/A 6b84ea84f3d3f93d54d76d33ac06223cbcb00073.zip 524,452,384
8.0 beta 5 19R5323g 17 N/A aa1bf21b172a4df719ef46d062d0556564e4bafc.zip 440,832,350
8.0 beta 6 19R5330d 17 N/A a1b1c6dd59bc0b0a3cf33107cc927d8413ad69d0.zip 427,055,429
8.0 beta 7 19R5340a 17 N/A aca685c3a6444dfc362848ed6f51d75ff810011a.zip 425,553,277
8.0 beta 8 19R5342a 17 N/A 5612213229ebd3a3815522608fa508c648f8dbcb.zip 425,550,061
8.1 beta 19R5541f 17 N/A 5553ff17000bfc080899533d9ba4d9f48be89994.zip 347,112,672
8.1 beta 2 19R5551d 17 N/A f36ac0203bd875af2da3501c818d0dd6438ff707.zip 314,800,340
8.1 beta 3 19R5559e 17 N/A 2debbb1c424ad69d6eda3ae2f15f69104824f14a.zip 220,168,661
8.1 beta 4 19R5566a 17 N/A 52d6dfe830ebdc8295f3de7b177aeb021687477a.zip 202,349,561
19R570 N/A 17 N/A f238963aaf2b31fc3626e0390838d9abf6ac8afa.zip 1,885,600,767
6.0 17R575 17 N/A 2a81a10b0b48b694d7c7ac34bc966b471f4d123b.zip 1,692,733,831
6.1 17S84 17 N/A 55d1001a9999b9b8df70298ea59cb0f58187c0f8.zip 1,668,029,437
6.1.1 17S449 17 N/A 1eaa503fa0c164f403a377ea18cc8678fa931bab.zip 1,667,910,999
6.1.2 17S796 17 N/A e4ef11766f60665d454a5bb491c288d05a3bb92f.zip 1,668,114,654
6.1.3 17S811 17 N/A dff34fa7e2de35ddccdfb8860325644704848ce2.zip 1,668,122,653
6.2 17T529 17 N/A 0a0f772132b54cb3d3662e3ec6608025fd677eb1.zip 1,659,187,980
6.2.1 17T530 17 N/A b94a588042707a739a3795a8dae72c36907e0222.zip 1,659,199,740
6.2.5 17T608 17 N/A ec348265b5638503d4c9a8195a9a2cd53fb6fcd2.zip 1,659,044,057
6.2.6 17T620 17 N/A 17b02db4647916ccd830e8370dee13a04a02e76f.zip 1,659,042,785
6.2.8 17U63 17 N/A fdf8c667737fc7a696fac44fed2a7ac0df192ffb.zip 1,659,089,333
6.3 17U216 17 N/A 11bb6bac4e6737346cde6935cfcf801932cbbcfc.zip 1,659,072,148
7.0 18R382 17 N/A a0b5a8e65280593dd2d1e59efd8d0b4b848c83b1.zip 1,360,265,322
7.0.1 18R395 17 N/A 787f41e5289d5a99bed8be367118c45f2893b005.zip 1,360,253,504
7.0.2 18R402 17 N/A 5b5a8d7123db25e864f60aa153f377d0bd23746f.zip 1,360,262,431
7.1 RC 18R589 17 N/A 311a4ae4034168dc0e54b2634ce4f8c8d7e7fe7c.zip 1,344,436,748
7.1 18R590 17 N/A 7f906b0740a2b8415d4725888b90ac62df60d7f4.zip 1,344,428,869
7.2 18S563 17 N/A ee036878d8f93d8fc7f2e609e4f29570ff765d8a.zip 1,341,991,448
7.3 18S801 17 N/A 05783442b3718a88849c12ef117244667364d98d.zip 1,341,391,925
7.3.1 18S811 17 N/A 57e3032f660761c67bedaa25501f3ad9d25f8e56.zip 1,341,394,139
7.3.2 18S821 17 N/A 7bea13343b3b039f5e8816435fbbb9d9255b8407.zip 1,341,394,467
7.3.3 18S830 17 N/A f398640abca208728ff154633999bf36ea9a5ec3.zip 1,341,409,338
7.4 18T195 17 N/A fa783bf41358805058e5b0384529b3fcd6149aa0.zip 1,306,570,587
7.4.1 18T201 17 N/A 914c82c36256c0992183f9542910d3c3b5a7b86f.zip 1,306,556,422
7.5 18T567 17 N/A 9af529345514d34e32095d819b51e6b80799bc70.zip 1,304,362,681
7.6 18U63 17 N/A ea381dd0e2603c0e8fde61e01b55ee819f69da31.zip 1,303,840,006
7.6.1 18U70 17 N/A b8d51d4d3c1601b212a164a462e003dd3f57fe8f.zip 1,303,848,969
7.6.2 18U80 17 N/A 822b64e68df2e42f0ad8c17a1635bc9966343237.zip 1,303,851,395
8.0 19R346 17 N/A f29502e1e905f97c71f75da9b0ee49a4066c2fa0.zip 372,365,975
8.0.1 19R354 17 N/A eb24ecf2887d9ced56d110b0181facb0a4ff0282.zip 372,165,384

Apple Watch SE

Watch5,9

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 7d0d563f36cb4b9bbf01496af2c7f4cb26b604d9.zip 1,278,322,046
7.6 beta 2 18U5533b 17 N/A 438b4ede4adf905cb8b33ee533f192c71aea6d9e.zip 1,278,095,923
7.6 beta 3 18U5542b 17 N/A 8849f51d03660a22c7e7e365d50c7f1c589aba28.zip 1,277,917,773
7.6 beta 4 18U5552d 17 N/A 6ab230deccac2fa475534589e7cf9943582e6b39.zip 1,277,641,020
7.6 beta 5 18U5561a 17 N/A b07834e6c4c6f6fdf764eaa38e3924fe56b2bf58.zip 1,277,639,800
8.0 beta 19R5266q 17 N/A aa6b9a971edd44a9a6f730a296be239fa0451994.zip 932,995,697
8.0 beta 2 19R5286f 17 N/A 6eb9ef04f03cef5b84e82fdc988a8ca0db67c018.zip 862,334,727
8.0 beta 3 19R5302f 17 N/A 144de952df458aa682735790ceebf6d85cfb161c.zip 551,566,795
8.0 beta 4 19R5312e 17 N/A a413816754843df2ff8978020130f1954bbeb343.zip 496,819,186
8.0 beta 5 19R5323g 17 N/A 7a1de206e68824aeaab3a325772955ff25eaad35.zip 434,207,645
8.0 beta 6 19R5330d 17 N/A 98205d4ae65735514216f57946d57f0e01e83e04.zip 380,686,859
8.0 beta 7 19R5340a 17 N/A 7b3a468c8b8fe787566555b1a003caf62c1c3111.zip 379,458,060
8.0 beta 8 19R5342a 17 N/A eb14e288d175f75e2445ea39695c0af49f3f45ff.zip 379,441,386
8.1 beta 19R5541f 17 N/A 2b9fedcaf0ec5c816d55dd77d4235387166d3bd7.zip 354,192,432
8.1 beta 2 19R5551d 17 N/A e72eb237149faf64e7773cc194f19d785fc52064.zip 327,215,313
8.1 beta 3 19R5559e 17 N/A 4c28ff50f922145f477b1d1845bbafab286f862f.zip 202,555,037
8.1 beta 4 19R5566a 17 N/A dab789a715febe88c51bf28c60541536d125dc4e.zip 183,758,111
19R570 N/A 17 N/A 452417e3d621a6ce0ab5ca10fce1528b7a25f8aa.zip 1,858,461,356
7.0 18R382 17 N/A 7592419dd536f7dbe70184c42b9fbb44b65978a5.zip 1,332,412,706
7.0.1 18R395 17 N/A b9d5eb0b04cea809a6cb2064f3b501b4bf355115.zip 1,332,413,375
7.0.2 18R402 17 N/A b78298f23789320ce6aaf482fd1821be40ee0449.zip 1,332,416,071
7.1 RC 18R589 17 N/A d30976ddc55706a927ff66d8333f9096822b226a.zip 1,317,998,368
7.1 18R590 17 N/A acfccf3d2cc040dcb966a6e1c0caec62ed8fdf62.zip 1,317,994,713
7.2 18S563 17 N/A a226d2c0ac529f639a1e05fba62a0bc28d1bf20a.zip 1,315,379,938
7.3 18S801 17 N/A e7c725751f313470c369dde92de1119f62d3c2e8.zip 1,314,801,141
7.3.1 18S811 17 N/A b32600f903b5392709f17b3b237d33821c4ca77b.zip 1,314,804,212
7.3.2 18S821 17 N/A b8fc553146bad68924b094d764af5ece8952cf6f.zip 1,314,804,549
7.3.3 18S830 17 N/A 9430a4e39074442b86eae9c6e233a8f42341eb89.zip 1,314,801,731
7.4 18T195 17 N/A bf071074245d8156fec084949c609bedd9e9835f.zip 1,280,371,445
7.4.1 18T201 17 N/A a3f2d1707de5160a98662f47a34ad3b4a67a7f2c.zip 1,280,367,234
7.5 18T567 17 N/A 23f2b9b002309694cca44df7f60cebf19289122f.zip 1,277,759,559
7.6 18U63 17 N/A cba3e1024030bdae1c2c2d18e2203d7504f01068.zip 1,277,142,676
7.6.1 18U70 17 N/A 125112633798b820630f684765d902b4e139b59d.zip 1,277,161,024
7.6.2 18U80 17 N/A 0d1923dfa005a4dac37122c0c9e0d4dc8417939b.zip 1,277,136,611
8.0 19R346 17 N/A fc3dce3228426248cfda9b58a395dfc8c1e2b7ed.zip 368,531,746
8.0.1 19R354 17 N/A c7a0b340cf2f19d5159f2b9fc7bb528a518513ac.zip 368,451,688

Watch5,10

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 978a0722befe4589b31887bda80322cd314c8ea8.zip 1,264,410,477
7.6 beta 2 18U5533b 17 N/A 8ba14a5dd7d3d9c61fd3c5bf9ac94236af273103.zip 1,264,183,789
7.6 beta 3 18U5542b 17 N/A 29bb8e41260a87faed4e9b92809d756e211e6fae.zip 1,264,067,266
7.6 beta 4 18U5552d 17 N/A a7d609291f86fd2f223fcfb23c96b34c1adba68c.zip 1,263,716,282
7.6 beta 5 18U5561a 17 N/A 21d8578a6956561d6a2be78f46acc9241060ac5d.zip 1,263,721,596
8.0 beta 19R5266q 17 N/A 444cddfbf0ec9ac58ddff9e3461b547e542b5292.zip 918,941,593
8.0 beta 2 19R5286f 17 N/A 002b47095ca8a1ec8d34e63ef8c3e1cf0cb21db1.zip 848,510,683
8.0 beta 3 19R5302f 17 N/A f81adc5b0b620d53bb997d768b5a4476d0eb5f77.zip 554,727,769
8.0 beta 4 19R5312e 17 N/A 90b3cc3c5cef4b239f8cb425f0eb4aae55ed7ef6.zip 499,797,913
8.0 beta 5 19R5323g 17 N/A 13e7e33bdac227d07bdd16473c510c1607dd7268.zip 434,632,284
8.0 beta 6 19R5330d 17 N/A d0e14d19e480b7a57530b760491cad1a7a75c045.zip 380,699,224
8.0 beta 7 19R5340a 17 N/A ce619139bae3b6aaf30d51f68b0408be59b2dfe6.zip 379,495,211
8.0 beta 8 19R5342a 17 N/A bf30fc0d14d271a2b349eb5eccec8f64f4dce02a.zip 379,477,776
8.1 beta 19R5541f 17 N/A 9bac4c920360834cb36c9dd321a0d5b9a66d8792.zip 354,201,241
8.1 beta 2 19R5551d 17 N/A 391bfad5b75067fcd993633e198b898a113e8523.zip 327,219,119
8.1 beta 3 19R5559e 17 N/A 0939f1edf8947d977d2a9914adf6844e124a67cd.zip 202,548,048
8.1 beta 4 19R5566a 17 N/A 9f7936ab551275bd2529268eebba3542f8e99402.zip 183,751,338
19R570 N/A 17 N/A 77f2085a6658f6066aeed8158da464e2d3a2722f.zip 1,837,638,357
7.0 18R382 17 N/A db05fb1cc004b2e89dda0b8998bedb69215f27b2.zip 1,319,005,010
7.0.1 18R395 17 N/A 3a9be22457ee0c6ee8d5917f72fbf064bb2d4fe7.zip 1,319,007,059
7.0.2 18R402 17 N/A ced6c55a4c7a32f51bd33915d1a9ad7cd9c43b10.zip 1,319,007,444
7.1 RC 18R589 17 N/A a67d6dbc40f191da6e18615c3d9e3bfe48a4e120.zip 1,303,579,018
7.1 18R590 17 N/A 3d6c6e5c67ab3e3febe287118d0ab084e35d5a5e.zip 1,303,579,816
7.2 18S563 17 N/A ca5384f339fc133265f02a40fc3102c9c7ed19c6.zip 1,301,146,799
7.3 18S801 17 N/A 8019017d3d8e50ad78aa7cb7648fd58d78f25b0e.zip 1,300,563,833
7.3.1 18S811 17 N/A 2ec7aef3886be20a91e0a05ae591fa41b82a7648.zip 1,300,560,357
7.3.2 18S821 17 N/A e6c0b216e289224b78a23d6ffbf7944af74a0eb4.zip 1,300,564,855
7.3.3 18S830 17 N/A 2b85cc45fe0a6d3c1a1688d5d22da48ab1255742.zip 1,300,563,150
7.4 18T195 17 N/A 4c45be6392ab6c9ebad26ca1d3469acf670f0723.zip 1,266,129,937
7.4.1 18T201 17 N/A c226139b683b303520e2f1095d513fba8bfa21a6.zip 1,266,121,764
7.5 18T567 17 N/A 5f47f9462794f8d05528510443a199b6b666ed8c.zip 1,263,764,947
7.6 18U63 17 N/A d001bb391b47935d70538ac8fbf3a2374b0360ac.zip 1,263,300,786
7.6.1 18U70 17 N/A fc51c61a4e01158e6e760c0051917236456dadfb.zip 1,263,316,576
7.6.2 18U80 17 N/A 818fbb381a91be5b12269a8c156921cc53d61920.zip 1,263,295,463
8.0 19R346 17 N/A 6f294fdc6015d869285d2fac5e73141a42b1ed11.zip 368,525,351
8.0.1 19R354 17 N/A b95178b73ec72758d39c445dd5e6f4d03535a79d.zip 368,449,710

Watch5,11

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A bea4b58dc38698356e5f8adb2876767d713d33a3.zip 1,317,898,488
7.6 beta 2 18U5533b 17 N/A 798356360a42a082e2ec3a12fd04f3b3c741563e.zip 1,317,684,906
7.6 beta 3 18U5542b 17 N/A cd5e7803cfb51af76d414ad6863d8a60b86b906b.zip 1,317,514,876
7.6 beta 4 18U5552d 17 N/A 672cf714de91fa630383d3af41737007510cb88a.zip 1,317,486,461
7.6 beta 5 18U5561a 17 N/A 7c5555f2622a74ea36abdf0114c2ce3538035ebf.zip 1,317,317,276
8.0 beta 19R5266q 17 N/A cabd488f7510e1eb1025a18cc81ac6379a4a6388.zip 962,903,949
8.0 beta 2 19R5286f 17 N/A 6b4d8fe98dcd150a42a59c046b44757ee0052b7a.zip 907,439,539
8.0 beta 3 19R5302f 17 N/A 4abd0ae6190c2f4c8c9c1ce50a49fcb79fb40643.zip 602,649,096
8.0 beta 4 19R5312e 17 N/A 8bb7b2fbfdc86f38f2f9446aec790c4d682930ac.zip 521,042,145
8.0 beta 5 19R5323g 17 N/A 1796dee3f9356ba7bbd0650788aa4a15f8687b2d.zip 439,900,234
8.0 beta 6 19R5330d 17 N/A 4db641d682fa23ac200e10627c602ff9951eb940.zip 426,114,951
8.0 beta 7 19R5340a 17 N/A d5e73495e8ecd63d770b9aae08e4ba41bec0d451.zip 424,689,733
8.0 beta 8 19R5342a 17 N/A 10b3f7c9be1197aced61b65d227afd60e9d9104b.zip 424,690,160
8.1 beta 19R5541f 17 N/A 1cc56ffd86db6a968c58ba52d8ebed41a3a17dc6.zip 346,408,686
8.1 beta 2 19R5551d 17 N/A 2dd7ffbf2769343d19313b89fe1a18c4952a4fa2.zip 314,093,050
8.1 beta 3 19R5559e 17 N/A 68291dc371ff74c3348308e20977476e4494ff04.zip 219,486,173
8.1 beta 4 19R5566a 17 N/A fc06129d1c3c66bea57a7acef24c5f341124c34c.zip 201,674,719
19R570 N/A 17 N/A db7776250e9595da389535d99ff2a32b1edc7840.zip 1,904,844,629
7.0 18R382 17 N/A 4d2f421c1be9f94b754b65021774f5c57e5f9ead.zip 1,373,549,386
7.0.1 18R395 17 N/A 48fb466d075ab4e0447f6328fe4d48cf7c553627.zip 1,373,536,239
7.0.2 18R402 17 N/A 3cb23c0a5e3f858fc1c12e1ebe1fc43b8b3760e1.zip 1,373,548,915
7.1 RC 18R589 17 N/A c0626d13f9431047e04842ded26c019556731ff1.zip 1,357,646,048
7.1 18R590 17 N/A 2f636b800530a49400d0fe61bd7f4a0b8ea9373d.zip 1,357,652,414
7.2 18S563 17 N/A f976b31879245963ca6b26802812b03064e52713.zip 1,356,047,846
7.3 18S801 17 N/A eb5ac899734bfeb407377d1bd8b385683e88e3f3.zip 1,355,399,731
7.3.1 18S811 17 N/A 0af0c0109b06e343b7c8d4aed5c3a29d7f664af1.zip 1,355,400,562
7.3.2 18S821 17 N/A bd0b55acbbf112313c45f50ba8c833caaf3df295.zip 1,355,404,200
7.3.3 18S830 17 N/A eeda064e396bf428bd7305b59ecb82e6f02694a6.zip 1,355,412,654
7.4 18T195 17 N/A 4c5b785c86020c1a928d17e85de4d002468d263a.zip 1,319,870,351
7.4.1 18T201 17 N/A 597b31591c3ff92049c940a54d9af85c0bdf293a.zip 1,319,854,355
7.5 18T567 17 N/A a8b97db6b47b6eac7fbcd888f41136c31b8898b4.zip 1,317,771,485
7.6 18U63 17 N/A 2acc485543287044799777b9c101e5a1c4fd6e36.zip 1,316,835,444
7.6.1 18U70 17 N/A 747048f93beaa10541e98464cc7392893c4e0f59.zip 1,316,845,078
7.6.2 18U80 17 N/A 07197aafaec3f2be260909e32ee36eb2c28e4cbf.zip 1,316,834,158
8.0 19R346 17 N/A d0adc6e334019eda786be2701a7c460a3d844e70.zip 371,681,084
8.0.1 19R354 17 N/A 1588d3bb076bd13744494559f19960b120b058fc.zip 371,480,284

Watch5,12

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 70dd9ad7ff6b7e9f591db27976d960d50ae94db8.zip 1,304,450,736
7.6 beta 2 18U5533b 17 N/A ca67b19bbd35347c5f13e7d6c57e844d692953fa.zip 1,304,232,614
7.6 beta 3 18U5542b 17 N/A d1c7bedb05ce630a1fd01a60689eb60575e14a62.zip 1,304,922,716
7.6 beta 4 18U5552d 17 N/A 5b32a6526807fc38944b30252215aed964348362.zip 1,303,959,581
7.6 beta 5 18U5561a 17 N/A 2fa598db81f4d82b35c7bb8c463378c4f1d9f1d9.zip 1,304,079,326
8.0 beta 19R5266q 17 N/A 879bf31d098e390f41a97aece2e551f0f6ec8820.zip 948,289,600
8.0 beta 2 19R5286f 17 N/A 704e3ea3fb1c29738a65ce5fdfa2eecca7c83fc1.zip 892,520,912
8.0 beta 3 19R5302f 17 N/A 413313a389cd430e3c7d4d045443ea354dd74eab.zip 605,984,757
8.0 beta 4 19R5312e 17 N/A 70ec65b9bcd7bf4ae2f0b573fbcc6f3843739a0b.zip 523,762,507
8.0 beta 5 19R5323g 17 N/A e179944efeded0e15dd7bf6e841a71f5a430b760.zip 440,140,380
8.0 beta 6 19R5330d 17 N/A 8bde9fc6a1d1ccdd0ebbae43c30b4ec27ea8f105.zip 426,366,887
8.0 beta 7 19R5340a 17 N/A 267fd94ce8edb8d5a08b366929406b5b783d8876.zip 424,867,621
8.0 beta 8 19R5342a 17 N/A 8b4b43ae70c68a6fee2891702514330cd7ad8ad2.zip 424,862,613
8.1 beta 19R5541f 17 N/A 160644ab303b0a7714128dc2b5062d4fce0289bf.zip 346,408,045
8.1 beta 2 19R5551d 17 N/A 53a37128ec9ab7694a39e368aa7101bd10dafa8c.zip 314,117,666
8.1 beta 3 19R5559e 17 N/A 851d68159eba7000368668b545d2e4f7316bb1ff.zip 219,472,531
8.1 beta 4 19R5566a 17 N/A ae0b21a83aa190e3acd38ede7af1c029546fc009.zip 201,666,682
19R570 N/A 17 N/A b0ae8014fdcd48b800ffa23b6fdbf7391cc6bc4e.zip 1,884,575,745
7.0 18R382 17 N/A e47a49df98da70adfd7a015a1b913896cefd2e82.zip 1,359,652,853
7.0.1 18R395 17 N/A 032107d5863a2ef3140c9dc6e4a345c56c07dc73.zip 1,359,636,728
7.0.2 18R402 17 N/A 5eac7d14b52e43ccd5817e724d3ebb4f7a46297a.zip 1,359,646,191
7.1 RC 18R589 17 N/A 47222bbebfdc9864496f0da230475d12589c9b61.zip 1,343,647,587
7.1 18R590 17 N/A a32c04e7682984cf08bc29be3f516534f9f64613.zip 1,343,646,899
7.2 18S563 17 N/A ce6f6bcf20a4658a35e3baa135f0455505f7efbf.zip 1,341,382,530
7.3 18S801 17 N/A 01fc7b7711d7b300bfad5ca53faae2c2d3b3cbce.zip 1,340,694,466
7.3.1 18S811 17 N/A 08c2694b9ef67b11669b8cc1f55b0f9e8d8a96ff.zip 1,340,700,065
7.3.2 18S821 17 N/A 94894229439932b21bdf581507521b7a93e29696.zip 1,340,697,011
7.3.3 18S830 17 N/A 8ab2d558791ecc675cdacb93047fbe97518e4cac.zip 1,340,701,035
7.4 18T195 17 N/A 2556cddc302b822a8e1b85cf5e0ae715b1d0c8da.zip 1,305,864,158
7.4.1 18T201 17 N/A 21f524eb751bc8ac3bf59cc9bb1311c76e38025a.zip 1,305,848,926
7.5 18T567 17 N/A 742f11b5ba60bf3dde1df2e3bab3d063b682777b.zip 1,303,653,339
7.6 18U63 17 N/A 0bf0674377254c24354b35eabf89986f1d9224b6.zip 1,303,138,180
7.6.1 18U70 17 N/A bece09ae252fbf59aab1a2940b4755136ae5b6ad.zip 1,303,150,568
7.6.2 18U80 17 N/A 6f573f2e9d2f64c5ca6d3509fdcb36c82c44b528.zip 1,303,139,843
8.0 19R346 17 N/A b17fffef6463c98bb5d9917e4ba58f627f0b2923.zip 371,675,946
8.0.1 19R354 17 N/A 0e7634cdb4559c47d0fc753e17a83dcb8da31f3d.zip 371,472,957

Apple Watch Series 6

Watch6,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 1ec86017391fdbe0c7dee5c5e0904f82ae9f1e49.zip 1,269,163,876
7.6 beta 2 18U5533b 17 N/A ffd626642055e675f924147d649bb0a2559e585b.zip 1,268,904,234
7.6 beta 3 18U5542b 17 N/A 8c1d7a9ac0c91117042bb3be02f91f658a172d04.zip 1,268,889,893
7.6 beta 4 18U5552d 17 N/A d0aa283f1baa59633d231ea7d95a0fa941de73ab.zip 1,268,834,007
7.6 beta 5 18U5561a 17 N/A a822b70b845a259cc4e4db2106042053bb2b9fe6.zip 1,268,720,326
8.0 beta 19R5266q 17 N/A ba1ce32c450395f5ce4f0dff3f7354b9188702aa.zip 921,456,288
8.0 beta 2 19R5286f 17 N/A dc57af79bab80f1e32bd64321ec66717638db796.zip 851,023,411
8.0 beta 3 19R5302f 17 N/A 668801eae1ab4b6b3862bdaff9c3e47befb4b604.zip 540,651,844
8.0 beta 4 19R5312e 17 N/A 4effd7c1204046daf28662ca3504b52abd003b49.zip 485,256,013
8.0 beta 5 19R5323g 17 N/A 1fab5cb2cab2cd3b9b51f03f3b3487e246559726.zip 423,012,250
8.0 beta 6 19R5330d 17 N/A 4d2c2536e993f5322fb7536353fcb241a4213f7b.zip 369,870,637
8.0 beta 7 19R5340a 17 N/A 6119930dc35a8eb9555e8fbe0308e6c52fa56e20.zip 368,171,111
8.0 beta 8 19R5342a 17 N/A 113852be47ad306da5970fbd5e789dfbd8a4354b.zip 368,172,672
8.1 beta 19R5541f 17 N/A 6c6dbda991877a3cb9eea368cc90c868a14738bb.zip 341,850,861
8.1 beta 2 19R5551d 17 N/A 377259d25b5f93442caeb62c298718e891971f6d.zip 315,823,263
8.1 beta 3 19R5559e 17 N/A b5db23becc5fb74f01fca61a17032900fe8b6eec.zip 191,894,959
8.1 beta 4 19R5566a 17 N/A ad54bf465dd9da29fb7184cc8dfb47f360552bb7.zip 171,680,482
19R570 N/A 17 N/A d146c10b9baf67b4e284ad9e0a11eaa36ffaf29f.zip 1,848,926,719
7.0 18R382 17 N/A 098af3fa45d48ee1975075357f32d360f9e47b00.zip 1,323,134,257
7.0.1 18R395 17 N/A 5c768b401f677860c3b3594bef906dccf967a354.zip 1,323,126,114
7.0.2 18R402 17 N/A 5441ec3d491f13e8981b6420c4bb1a9a364b82b2.zip 1,323,123,401
7.1 RC 18R589 17 N/A 8b80292ff5c1b86d8fceaeb2e740e5956fcc2f53.zip 1,309,349,809
7.1 18R590 17 N/A 9e787b9fb3eed906ac72ebee9f1ddf2c02070d8d.zip 1,309,352,756
7.2 RC 18S563 17 N/A cf6ad5c16abadf10d1fd42ae6032d584b05f8277.zip 1,307,032,021
7.2 18S564 17 N/A ea06f2e1b56aae07832c13bdb3c148221e24dd5c.zip 1,307,032,009
7.3 18S801 17 N/A 1c5a4fba448d0f81d7d68df86be3ee9c8fc3a751.zip 1,306,870,462
7.3.2 18S821 17 N/A 2464cc4172942c2c97b13da3e212c3996f005333.zip 1,306,874,694
7.3.3 18S830 17 N/A 2dd6d64ce651712bb7333c1805c7ad140772333e.zip 1,306,875,353
7.4 18T195 17 N/A b8e9442e561efe2c2b55d2c9f5e4fc4b305f5db4.zip 1,271,174,295
7.4.1 18T201 17 N/A de0ef6543efcd1183857a43fe32dbca309fc5ab8.zip 1,271,167,994
7.5 18T567 17 N/A 0e559255f1e58e75eab62aa86479827e23d16e9b.zip 1,268,517,828
7.6 18U63 17 N/A 11f7be16e379fffb18bd2c87ddd72a4575fd8173.zip 1,268,199,183
7.6.1 18U70 17 N/A 46c2920e5e0c351f8b5aecd0f6cfbed223120a8d.zip 1,268,207,056
7.6.2 18U80 17 N/A be8ab846b9e817f640554a9379ac70ca6eb862c2.zip 1,268,189,253
8.0 19R346 17 N/A 5d4ca35b42520b52f6a768d05853cd46b52368b1.zip 356,656,494
8.0.1 19R354 17 N/A 9b02882507f0a26eeaaa511e26a2224e7c5b415c.zip 356,662,814

Watch6,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 6b3ba103a8d5319b00cde2fe7ee160184018da3e.zip 1,255,488,998
7.6 beta 2 18U5533b 17 N/A f02249c9d1b8c5bead7c6ca0e9a8300aa7dd3363.zip 1,255,266,888
7.6 beta 3 18U5542b 17 N/A fe0885c645d4d1c0931d2f9e94a8edecb349fb17.zip 1,254,902,879
7.6 beta 4 18U5552d 17 N/A 58f7ec205def815815d5f5a61c14850251f42937.zip 1,254,912,415
7.6 beta 5 18U5561a 17 N/A da66a7d85112198c4f926bc1a6168c5734a4f2d0.zip 1,254,773,062
8.0 beta 19R5266q 17 N/A d71a7a3c79aa0d44401568fa36616e112d039128.zip 907,425,750
8.0 beta 2 19R5286f 17 N/A 76374bded8cf096e6556e167a3f55c8d48b599b4.zip 837,130,289
8.0 beta 3 19R5302f 17 N/A cabfa963cf5266f2bb38516987f88fb6e5cfaf60.zip 543,837,745
8.0 beta 4 19R5312e 17 N/A f48c547e1779d8b7cd6b02c34cb7cf1099d03936.zip 488,201,793
8.0 beta 5 19R5323g 17 N/A 15e346fa81462e94c7ed35d336289db24d28cad7.zip 423,314,759
8.0 beta 6 19R5330d 17 N/A 0855d18ad2ceb7e79a64ca3c9789474eab8b5a7b.zip 369,801,323
8.0 beta 7 19R5340a 17 N/A cc2ec81acdad5e5a3c25da0a23355f713859c6a1.zip 368,158,665
8.0 beta 8 19R5342a 17 N/A 6aed27dcd5882dcda676b2df72763c8423fd8f0f.zip 368,161,316
8.1 beta 19R5541f 17 N/A e1725a4dc308943d14a6fc3e624cdeb5c5897a23.zip 341,843,191
8.1 beta 2 19R5551d 17 N/A 4d270e8e3964ee11b7e490e27d34f9ce0608292c.zip 315,819,287
8.1 beta 3 19R5559e 17 N/A a1381a7c7636094155e6926bc18288ec31ac07ba.zip 191,871,483
8.1 beta 4 19R5566a 17 N/A ff39f163cf479aaa82f75b71dbf39cacbfadd676.zip 171,651,277
19R570 N/A 17 N/A 56bd4827ba31bc1929de709ccc1c8aba060b40d2.zip 1,828,174,298
7.0 18R382 17 N/A 189507c955cc868cfa8d0122bfe84b1538ab92a3.zip 1,310,117,499
7.0.1 18R395 17 N/A d102501db5c1e6c8d04284c07aa197f126cdb091.zip 1,310,104,445
7.0.2 18R402 17 N/A dcaca8e3f12ca1c97ece34f655458b3d14ca3fc6.zip 1,310,104,647
7.1 RC 18R589 17 N/A e02e3ce02792060553b122b954b3519e3a2a1fa8.zip 1,294,605,380
7.1 18R590 17 N/A 8055d67443dd392e4c437d98f2258a64574c4a83.zip 1,294,601,822
7.2 RC 18S563 17 N/A cd6b0ce972efe8eba31e80096b6589b47a94eaae.zip 1,292,436,915
7.2 18S564 17 N/A 4101b5d5102b2877a2b4fcd3168b96f59b5a52b2.zip 1,292,436,636
7.3 18S801 17 N/A c826bf9d57a6652566a22d90fcbacb0fc007e8c7.zip 1,291,859,898
7.3.2 18S821 17 N/A 6a860f2160eca90063b0d92ad20ba03b54a70ed5.zip 1,291,855,474
7.3.3 18S830 17 N/A 1e404139d5bd508ff4b661527fef872d96820666.zip 1,291,856,889
7.4 18T195 17 N/A c45891a487be0800dd7b3161402abadd25f4adde.zip 1,257,134,456
7.4.1 18T201 17 N/A 91f907c0e4d500787df356a685967d2f8941c84d.zip 1,257,127,306
7.5 18T567 17 N/A 7885e2a55cc938e8432069286b0b41b62143b2ea.zip 1,255,148,075
7.6 18U63 17 N/A 8a4ae3a468bd9ac7ab88af6d85dea75d2d2bd4c6.zip 1,254,312,111
7.6.1 18U70 17 N/A 3dd0aae99e267c0583566578d4b01cbc86e92d71.zip 1,254,314,536
7.6.2 18U80 17 N/A 1d3b9609ce29ff04fea039b90df9292d0b998e52.zip 1,254,309,060
8.0 19R346 17 N/A c884a9f1c2b53cc861a9b896b902d0eab8139828.zip 356,639,014
8.0.1 19R354 17 N/A 5d4bd08b9ec3726860df01d5f21dabde7174af3d.zip 356,645,800

Watch6,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 48e602b7ca36c84bd1bf155d1567c65f8fcdda1f.zip 1,308,926,235
7.6 beta 2 18U5533b 17 N/A 2e1ac79f9a8e6413f3539c19c5474d84444e546f.zip 1,308,708,347
7.6 beta 3 18U5542b 17 N/A 1bd15b78cd5289ec891b578415ba494f372159e9.zip 1,308,553,576
7.6 beta 4 18U5552d 17 N/A 45867150fbac70bcc5571fb54e7e463282277a9e.zip 1,308,416,450
7.6 beta 5 18U5561a 17 N/A 4554a32950d3d9a1c372cccc935a48444f392a24.zip 1,308,376,280
8.0 beta 19R5266q 17 N/A a3d7da25750915f19188776fea0405dfea6a8147.zip 951,713,558
8.0 beta 2 19R5286f 17 N/A bfc6250b62d47ba9176cdedb5b33e52cc910c067.zip 896,146,648
8.0 beta 3 19R5302f 17 N/A 74a2a84250b0486047b2a97292b61ccce910d0b7.zip 591,315,130
8.0 beta 4 19R5312e 17 N/A 6769889b477b7f2c6416d07e1578649c503afbb3.zip 509,038,415
8.0 beta 5 19R5323g 17 N/A 489554cd90d6076e17f66b408ab3aaeec507c98d.zip 428,697,631
8.0 beta 6 19R5330d 17 N/A 4cdc7f27012457b0271dae73581efdf0143d4a17.zip 414,591,186
8.0 beta 7 19R5340a 17 N/A d0ef572db3194e1ae74001723cba053245be068f.zip 413,434,403
8.0 beta 8 19R5342a 17 N/A 404dee5dc4a6cdc7d5aef377ab50804b8d98f84a.zip 413,416,625
8.1 beta 19R5541f 17 N/A 7a1490eff1addda9b965fc0dd180e055817067a4.zip 335,911,646
8.1 beta 2 19R5551d 17 N/A 961fe1011ec0f8c83e2233091a72834e7e7d6d01.zip 305,602,852
8.1 beta 3 19R5559e 17 N/A a3257aeb426fd56961c373d10d4c1a06252d1da0.zip 207,506,244
8.1 beta 4 19R5566a 17 N/A 4872f89384e321e444e4d0aec3b24d479beaf7e9.zip 190,016,215
19R570 N/A 17 N/A 94009f88a8199f9097becb5e179f9e09774aa9b9.zip 1,895,628,599
7.0 18R382 17 N/A 0e003d48cb4c93aecac203ee695773ce829b01e0.zip 1,363,615,670
7.0.1 18R395 17 N/A ca9d216811cd41c8290e6575a2bfcb1baf149986.zip 1,363,605,838
7.0.2 18R402 17 N/A d3a520bd4e277b5324a6dc065f62762e5bfeb935.zip 1,363,610,914
7.1 RC 18R589 17 N/A 21b205da60616e6040fbfd053a8e7411290e968c.zip 1,349,071,652
7.1 18R590 17 N/A f49c52972ee86c2e608f9b280b7948585c9b1681.zip 1,349,071,983
7.2 RC 18S563 17 N/A f47789341151f556853940a723a2b6c1409057f1.zip 1,346,979,581
7.2 18S564 17 N/A 5db1857d76098fcad0756787dd3c2f443443bed8.zip 1,346,972,224
7.3 18S801 17 N/A 8d4558c6e7c6e2d142d97e8cc7ee64ba84d28733.zip 1,346,279,272
7.3.2 18S821 17 N/A 57d72b691b3a83d262d58e5983655d470f1d50b1.zip 1,346,283,878
7.3.3 18S830 17 N/A d57e4cb97559709b8514955908e942c3f69805b7.zip 1,346,286,952
7.4 18T195 17 N/A ba8a286cdb93c56634edea6c99249ba2c624e470.zip 1,310,916,017
7.4.1 18T201 17 N/A 6530a85802e2a093cb6f9df92194aed8daa44cf4.zip 1,310,910,986
7.5 18T567 17 N/A cd38c8fd3326ca2b3aefecab3dd66fa5c872d334.zip 1,308,367,322
7.6 18U63 17 N/A 771adc66183a7bab656d58dbaafd3a346b2842af.zip 1,307,977,993
7.6.1 18U70 17 N/A 5a86686f878f3d3e809b17de08686b01313b7fd4.zip 1,307,994,315
7.6.2 18U80 17 N/A c97099a934f3b418861d9cb4d4e0346b8f3b0375.zip 1,307,987,227
8.0 19R346 17 N/A 73ec8b6ad97e995c99fd229e4a0ed3a8b5034ba9.zip 359,716,653
8.0.1 19R354 17 N/A 220ef96ae3f8fb62d9b06bbbf342ad603bb75fca.zip 359,654,044

Watch6,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 7.6 beta 18U5523d 17 25 October 2021 N/A 0d282954495af87db2164a97d8a09346da67541e.zip 1,295,508,586
7.6 beta 2 18U5533b 17 N/A 6d473527bc23dbc7c46e44871e63222bce0aa2e3.zip 1,295,292,781
7.6 beta 3 18U5542b 17 N/A 622620d781563bb4e01848b75246a04f29860118.zip 1,294,822,993
7.6 beta 4 18U5552d 17 N/A c69fd5eb5a53cc99593424c39b005817180b6214.zip 1,294,793,175
7.6 beta 5 18U5561a 17 N/A 7a683013c67118c59c9b488e615a8fdf7857245d.zip 1,294,632,691
8.0 beta 19R5266q 17 N/A 74c248c4e4e933c0ece6a3ce838ed2b90a41b1bc.zip 936,945,262
8.0 beta 2 19R5286f 17 N/A 04dd0283019492d66f7a166571bc73975ec297e9.zip 881,217,799
8.0 beta 3 19R5302f 17 N/A 7cbb41d0fb045dd145bd4c7d1234879812be0f35.zip 594,720,073
8.0 beta 4 19R5312e 17 N/A 9ddb8ff3bcf28f773dd03f9b77bfd1e2c6b3f186.zip 511,900,324
8.0 beta 5 19R5323g 17 N/A 02d5ed1f73210a74cc90730a8a5e2f7a49ce6172.zip 428,914,439
8.0 beta 6 19R5330d 17 N/A 70ad5df5fd43d78e6f7f156d61839ccbe86c149e.zip 414,748,252
8.0 beta 7 19R5340a 17 N/A 6781fb9f47bddb69f72463ccb706343ffcd13ac2.zip 413,710,258
8.0 beta 8 19R5342a 17 N/A 6d8ba9645995db1086d7f7af8f5ea0e9383f8560.zip 413,692,326
8.1 beta 19R5541f 17 N/A 4d2fabd343421d89825a277dd4a2897b1269f932.zip 335,919,361
8.1 beta 2 19R5551d 17 N/A 6ef75d2e079e85f99dc9a45c4bd4fbb6a8c8e12a.zip 305,598,690
8.1 beta 3 19R5559e 17 N/A 2ff712650d1c62ed4995810e934fa09d3a2cc90a.zip 207,498,343
8.1 beta 4 19R5566a 17 N/A 20760a3f326008b340873f2e5931dc6e456601a4.zip 190,002,094
19R570 N/A 17 N/A fc4a3b4f0dc16e7318158b82f3ff645a10b2eabe.zip 1,875,312,644
7.0 18R382 17 N/A e318f539062f24a1c4cf2d71cd6fa350888da02a.zip 1,350,362,849
7.0.1 18R395 17 N/A 4cfefddc04c3771f4063c143d854ee3522696919.zip 1,350,349,721
7.0.2 18R402 17 N/A a1a435bd97e827cda5ad922c7b0d35226e054b42.zip 1,350,353,606
7.1 RC 18R589 17 N/A faed9eedc3cd9733179018a701b4baf4bf808fd6.zip 1,334,921,623
7.1 18R590 17 N/A da64a6ef512d04a7a364b8f7810e2d74a599b37b.zip 1,334,921,217
7.2 RC 18S563 17 N/A 5bbec72707f18308c4ad3bdbb9ce8629ca09016c.zip 1,332,449,024
7.2 18S564 17 N/A 96328cff4eb820ff3ab2dcf4417e037278d8b591.zip 1,332,448,005
7.3 18S801 17 N/A d59a921e80af9427add9fcf714baeb7869f46aa4.zip 1,331,883,220
7.3.2 18S821 17 N/A 5ed01f2cb958db676fab6a4805a6bff735c7cde3.zip 1,331,882,482
7.3.3 18S830 17 N/A 146fd3341fee262309e2626999df09f5a3c41c9c.zip 1,331,879,171
7.4 18T195 17 N/A 9766411eb66d1662b79a910413a88c042135c907.zip 1,297,346,731
7.4.1 18T201 17 N/A 87ddd1c64c4650b77150f2ddace2903fb766d4c5.zip 1,297,342,313
7.5 18T567 17 N/A 3892032bb08e97a1cfccc6bc74d78f4a96e61c0a.zip 1,294,702,971
7.6 18U63 17 N/A 53ffb371fb6ce7b31da13f0f588a57716381743a.zip 1,294,045,697
7.6.1 18U70 17 N/A 2c0ffdf7f1a06f7991a8d2179b6ed257ad61955c.zip 1,294,048,960
7.6.2 18U80 17 N/A 24bdb60487b66565264b1923ac14d1eba1c9ac20.zip 1,294,051,340
8.0 19R346 17 N/A ea45220f0eed785ee9bfe717eca09e0d187e1bb5.zip 359,699,393
8.0.1 19R354 17 N/A b193b2c3fe89d682499409f18784986bf7d05112.zip 359,637,730

Apple Watch Series 7

Watch6,6

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 8.1 beta 19R5541f 17 25 October 2021 N/A 606ad9cf05b319f3bdce6ba515dcf72d9c75e725.zip 318,333,603
8.1 beta 2 19R5551d 17 N/A c75f795a15e4f93421cb0d743a6e766b9fe8f730.zip 280,615,836
8.1 beta 3 19R5559e 17 N/A 985a16f9faa2e9e065da13b9109bac4c7d8311fd.zip 191,684,346
8.1 beta 4 19R5566a 17 N/A 3a8142159c9578478830d10cdcb1347a72dd4797.zip 172,622,332
19R570 N/A 17 N/A 2e808484e5ec4c61d45ea1d8c88aac3a894e9d34.zip 1,883,849,476
8.0 19R343 17 N/A 683705897b787fa8b28e177356d6228cbed2b303.zip 358,254,627
19R346 17 N/A 19197cd348f26a5e09526ead1b614dffbf686ed2.zip 358,212,574
8.0.1 19R354 17 N/A 1de89c2dacc0d64f394259c4655ad99b189f1592.zip 358,124,800

Watch6,7

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 8.1 beta 19R5541f 17 25 October 2021 N/A 1eaa951feaea7a88f759f9dbbae86a416cb47bc9.zip 318,397,045
8.1 beta 2 19R5551d 17 N/A 8212a383b9ff88d47b0dcec5b0b361e609ed8147.zip 280,688,150
8.1 beta 3 19R5559e 17 N/A 74418f1b2b61da6331b5b9bfef8eedf36ddd8912.zip 191,747,048
8.1 beta 4 19R5566a 17 N/A fc3210cc35dbdb45fa07ac6bd1bb14b4a38b2fc6.zip 172,680,300
19R570 N/A 17 N/A 597cc41d1376be40d05067542c7472cb8071fc40.zip 1,878,324,394
8.0 19R343 17 N/A e0ca8be08e13bb4463ac8d9e078de141d8a18f66.zip 358,328,356
19R346 17 N/A 5140e4da36aafc91b6edddd0db8f760dd1aae279.zip 358,285,170
8.0.1 19R354 17 N/A 954c44a3f1d93c7fceba5c767efca388eb3d5906.zip 358,196,340

Watch6,8

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 8.1 beta 19R5541f 17 25 October 2021 N/A f909c9ae33456e8a8a614d25a7340aa50653db3b.zip 366,025,830
8.1 beta 2 19R5551d 17 N/A 62095171793932407f3a4e802c53d94fbe192d4c.zip 335,750,413
8.1 beta 3 19R5559e 17 N/A afa2cd88a2869f18dc5394a7dfbdf9725aa26a54.zip 210,971,083
8.1 beta 4 19R5566a 17 N/A 72d048a55d5c915c313e790dae5805514e40ab22.zip 194,660,068
19R570 N/A 17 N/A dea7fac57c02ab1eb345f94d2f6bed39ba4206bc.zip 1,931,559,345
8.0 19R343 17 N/A ? ?
19R346 17 N/A cfe97a6c6f81fbe53a7b5cff6e291f5d54bb76f9.zip 379,483,201
8.0.1 19R354 17 N/A 5370c73f2a75ce351aade2b52ca1d4261865e8ce.zip 379,482,630

Watch6,9

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
8.1 19R570[1] 8.1 beta 19R5541f 17 25 October 2021 N/A 99542ceb4a4106bf5f2c828dd50910a7fc79cdcf.zip 366,102,898
8.1 beta 2 19R5551d 17 N/A b1fc5035b6695300f3416b3d0fdfc340aa365f6f.zip 335,813,932
8.1 beta 3 19R5559e 17 N/A 97810b6ecb4e5c1c1272e613c54ad860ffc1d7be.zip 211,036,064
8.1 beta 4 19R5566a 17 N/A aa67a292a177f587edbe26c68a437cc949c8bca4.zip 194,714,638
19R570 N/A 17 N/A 0a866609ce0c7710b708d35e48c0e340952d409f.zip 1,925,297,944
8.0 19R343 17 N/A ? ?
19R346 17 N/A 93def4f4c934ff04a78e7f96f9aa38b38421d3a9.zip 379,550,794
8.0.1 19R354 17 N/A cee53b38fb5baa82d839afd76371a83bb0f98b4b.zip 379,550,089

Notes

  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 19R570 was listed as 19R6570.)
    The listings on this page use the build number displayed on the device.