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OTA Updates/Apple Watch/7.6.1

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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
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A bfaa47c585b223551444a034d52b9dc0ebc4bf69.zip 290,977,534
7.5 beta 2 18T5555c 16 N/A 767e7ef8db3c2708bde7555058a6cc957d02a458.zip 276,905,923
7.5 beta 3 18T5564a 16 N/A 85b47ad27e68edb311c4c1aa4c52fcb08f3940f6.zip 262,777,813
7.6 beta 18U5523d 16 N/A fa4c80d9e0820003ebb197c70c938c5dde7cd97a.zip 245,286,096
7.6 beta 2 18U5533b 16 N/A 44dcbca43ae3d5c9639e58e34d68786a1ba1f9a0.zip 233,367,930
7.6 beta 3 18U5542b 16 N/A a458b87489d218d7eaf7f19d5b534ba798d62663.zip 223,280,335
7.6 beta 4 18U5552d 16 N/A 5d4612cc8708edcdc23a20740bfab0be7286d393.zip 199,256,273
7.6 beta 5 18U5561a 16 N/A 15c2d394b47389e06d961c1979a0ae5a0f2433ee.zip 154,032,771
18U70 N/A 16 N/A 03a66dd9a4786e77753771e4cb6dc2984891acde.zip 1,788,084,801
5.3.5 16U652 16 N/A fd491d738b4e2c0a201652064d8d9db798e9826d.zip 1,294,960,795
5.3.6 16U662 16 N/A c36b8ddd6d70cb2cab3c44dbb0142beff13fedbc.zip 1,294,967,282
5.3.7 16U674 16 N/A 768fed02db485c98b24a93d02a4b7896162dafb7.zip 1,294,965,495
5.3.8 16U680 16 N/A bb865f4ebefadb1d4d77041906a89f4a23d069e1.zip 1,294,963,638
5.3.9 16U693 16 N/A aae9cde58fe148f93d1f4284265a125d9a0ee968.zip 1,294,936,138
6.0 17R575 16 N/A 77453edbc164111d20caea49d077bcaf3a6b6880.zip 1,192,088,601
6.1 17S84 16 N/A 143da15f8803c16e5d26d88cf8bb1d70d2b9a38f.zip 1,129,759,758
6.1.1 17S449 16 N/A c416588a2625a3fbe58b2965ad22060041e114c9.zip 1,129,572,525
6.1.2 17S796 16 N/A 99de0cae0dfa4523b0607b13ce414c6cf78fc1d7.zip 1,129,543,966
6.1.3 17S811 16 N/A 2228c3520f7f7b93494f7de94f9aac7b769b9b69.zip 1,129,545,911
6.2 17T529 16 N/A 35eb5b4c9c7527a5074dd16af22ca0456cff4d05.zip 1,119,052,273
6.2.1 17T530 16 N/A 26ea8d1661a5ba80094f173f4b27d3981601be04.zip 1,119,050,287
6.2.5 17T608 16 N/A 906e548e98a6f800312268ce521d3bbf786a8cab.zip 1,119,122,548
6.2.6 17T620 16 N/A 0f7b9564c3b8b2f566df8a05984553cbf3c21eb3.zip 1,119,123,609
6.2.8 17U63 16 N/A 6d381237de1847b81fac96a508c295d41a29f234.zip 1,118,986,526
6.3 17U216 16 N/A 502b605214473ae3d6e62ff00389ffab39cc68a4.zip 1,119,022,905
7.0 18R382 16 N/A 8b543fca8266f91b2615dda458bdfa7e91957d53.zip 754,749,858
7.0.1 18R395 16 N/A 1aac26c8c421436b222b6d522bddb31883487e4b.zip 754,745,394
7.0.2 18R402 16 N/A 36f674bb91d67dbf7a41e067745df32e1cf6e360.zip 754,741,008
7.0.3 18R410 16 N/A 9ef066b501d165eb341fbb9655952968ad9974b1.zip 754,743,359
7.1 RC 18R589 16 N/A 9ceec7385de5234ec0093a71e7d9e88068f0d5ed.zip 708,759,956
7.1 18R590 16 N/A 7044818d93b3cc3817010471895fdd579c5e2a8a.zip 708,754,361
7.2 18S563 16 N/A 9dac939755d568c5315762095fa9ba03b7027cd4.zip 691,645,049
7.3 18S801 16 N/A f72df93afb7f90892f1d0b123078facdef59bde6.zip 687,974,595
7.3.2 18S821 16 N/A 0d7cf213fd7cfcdb7166d4e0d0b6b25b5bb8b9bc.zip 687,962,351
7.3.3 18S830 16 N/A 99792a62c5eefc556f1f0dbd999c731177337629.zip 687,956,469
7.4 18T195 16 N/A 1eda291e4afc0594a5943196b3883cb238248576.zip 307,315,757
7.4.1 18T201 16 N/A deae5c339cae8e7c7992300c8cc7dcafb776a29c.zip 307,290,502
7.5 18T567 16 N/A 1896ed63247b5f7701946cf4641a007b229e2fb1.zip 255,093,892
7.6 18U63 16 N/A 6108c55408e9f4df83c22e3676451f8fbe1631f2.zip 82,905,362

Watch3,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A e266d0aba88fe5e96627ddb422accbe44f105d4f.zip 290,942,136
7.5 beta 2 18T5555c 16 N/A bf4ed016b3ed8f40d3f4e145f627cb18b5297c80.zip 276,949,401
7.5 beta 3 18T5564a 16 N/A 548b86a2c99c2ec7430e489127a441e711ca9bd2.zip 262,790,130
7.6 beta 18U5523d 16 N/A b59eef7e480a2d4dc6512679fd38ad5541898184.zip 245,313,168
7.6 beta 2 18U5533b 16 N/A 7c6bd254f8ae1663991173939bf959e66bd7c93f.zip 233,395,012
7.6 beta 3 18U5542b 16 N/A 3da4d85b6607f3e976f885e986c447853b78be9b.zip 223,312,387
7.6 beta 4 18U5552d 16 N/A 7d3e2546c3a175235473d86f47f29221b5fd2485.zip 199,276,194
7.6 beta 5 18U5561a 16 N/A 60185042cc2f70783affdf7936099fdecd905658.zip 154,061,526
18U70 N/A 16 N/A 671c5ee15521cd3fcf4cfa930e90f08f41e57f13.zip 1,797,624,625
5.3.5 16U652 16 N/A 6c4fc49f1c70921ed2be833b404bacd1ddb38f1b.zip 1,298,138,518
5.3.6 16U662 16 N/A 6ea9a927de898850e7c8bdc5317b94d8187dcb7e.zip 1,298,139,163
5.3.7 16U674 16 N/A 0094a2b164374d29b53963e8313c6a805e1fa278.zip 1,298,139,987
5.3.8 16U680 16 N/A 8c8e4062fa46baa4115225aeda3a675a0a79608e.zip 1,298,135,838
5.3.9 16U693 16 N/A 3622f3ac827bfc210944603a203ae21b23001619.zip 1,298,115,141
6.0 17R575 16 N/A 3d8689ff774643a88ef4632c342c89c373f587ef.zip 1,193,828,364
6.1 17S84 16 N/A de2ef0be9e3556df9ce30512f946887360ad00ff.zip 1,131,719,314
6.1.1 17S449 16 N/A df3c571daf8e70734e821854093438542eafd009.zip 1,131,397,104
6.1.2 17S796 16 N/A b54fc878d1ca13b01a56b70fab81143c10893817.zip 1,131,373,965
6.1.3 17S811 16 N/A c4f3a371ae096e3492329ceefeb9ce5c6f152e5f.zip 1,131,372,261
6.2 17T529 16 N/A 1200cb5a91a293963effe01339358c3027f4e15e.zip 1,120,813,390
6.2.1 17T530 16 N/A b79844b7d97989880dda811662aa320870322ca9.zip 1,120,814,960
6.2.5 17T608 16 N/A 15125eacaa187422bf910a492b7554d31480d841.zip 1,120,833,375
6.2.6 17T620 16 N/A d6090ca4711227b5db7ea79550dd4ff9eb8d1dde.zip 1,120,833,037
6.2.8 17U63 16 N/A af266d70e6358d45c7f69aeffaf6f4e21fa6d73b.zip 1,120,702,373
6.3 17U216 16 N/A 076aa3e383553c331e9956803754d4b283e6f127.zip 1,120,733,284
7.0 18R382 16 N/A 98c5a845610bde43c38d313b769d897db28b910d.zip 754,697,031
7.0.1 18R395 16 N/A 6496d6dc75bafa4b2b7e44fa5de6be35fe323bee.zip 754,695,202
7.0.2 18R402 16 N/A e5d37c404595fc49d1c2c47f0179002cade7ef62.zip 754,689,987
7.0.3 18R410 16 N/A bd2e86140d60a16f264214df2c31137bb78cdcc0.zip 754,692,838
7.1 RC 18R589 16 N/A 38a4657b18f7e2b7412782f93fa66134824451cc.zip 708,707,951
7.1 18R590 16 N/A 448ea331533458d2c7a91def3e5e683d1819487d.zip 708,703,454
7.2 18S563 16 N/A 4c8c75347f3d9e1326982b4320c5620b30c3ee60.zip 691,644,319
7.3 18S801 16 N/A dab9da2e30da821a34c73e4e3e0ffb62ae6d681b.zip 687,972,251
7.3.2 18S821 16 N/A a3d62729da604b71c3f0f763e0e83a2805c9c60f.zip 687,970,021
7.3.3 18S830 16 N/A 2b1662793c79af136305a7edce1c468930172d56.zip 687,957,447
7.4 18T195 16 N/A 1ae925de95f734459f5f538bb7af491d79dc7bb6.zip 307,293,174
7.4.1 18T201 16 N/A 868836c0d747a8db1813cce74bf68b16524cd6d4.zip 307,270,779
7.5 18T567 16 N/A b455dbc79e56c07a5475c92f4ec1369ca9fa0812.zip 255,124,160
7.6 18U63 16 N/A 6102b9f6a6e834af7582ce775251cc2cdf0a9693.zip 82,917,079

Watch3,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A f4c60c2cdc3ae0d5d221a21cdd0d61baf48a6ad1.zip 258,800,067
7.5 beta 2 18T5555c 16 N/A d56a76bfc11eb0e8a86a2f8ed40912e5c310bbba.zip 245,717,741
7.5 beta 3 18T5564a 16 N/A bc3114c3f597b497141831262ed57510250196d6.zip 234,224,431
7.6 beta 18U5523d 16 N/A 95d86347548ccab914bf5dd785ee5b04e1e9d74e.zip 212,649,097
7.6 beta 2 18U5533b 16 N/A eb2502bde681a95088ac81db0d99cca9b0ac7f41.zip 201,215,366
7.6 beta 3 18U5542b 16 N/A be89e33539734b281676f9b3d75d58fa78f334b4.zip 193,603,796
7.6 beta 4 18U5552d 16 N/A 7b29e3daa8d76687ba8a3ec0081ead4305de2039.zip 170,576,908
7.6 beta 5 18U5561a 16 N/A 42dd689f46eb3a000edb756579b3eb5f993d750a.zip 147,430,167
18U70 N/A 16 N/A c5cde659630ee74e2a8a2964ba732984245fc3bb.zip 1,720,479,501
5.3.5 16U652 16 N/A b69e33e1605461eab1f296ef9b680486f46f36c6.zip 1,255,924,960
5.3.6 16U662 16 N/A aff43bda58900082eca3259829c9cb2a1cfd10d1.zip 1,255,927,912
5.3.7 16U674 16 N/A affe6164254db0b9157ddf730fbda006cd55bfe8.zip 1,255,929,402
5.3.8 16U680 16 N/A ad11f3c6e87a50549fd50ecdf9dacd7ecbe4fbd2.zip 1,255,925,628
5.3.9 16U693 16 N/A 0f97262a1817704f8b355d8a413f2eb3628e4f1f.zip 1,255,915,775
6.0 17R575 16 N/A 225b2faf4d7e19a6a37e23c5cb39ca5b67aae9bc.zip 1,151,687,921
6.1 17S84 16 N/A 37ad6d079b142ba41356b1f66911740c72eaa2df.zip 1,089,839,191
6.1.1 17S449 16 N/A b3446a2edb1b36fc3725e0c30bae1464e9bbc73e.zip 1,089,570,709
6.1.2 17S796 16 N/A 0c4dbdb6b79d83f9699a8dd42151240765fe41f0.zip 1,089,544,957
6.1.3 17S811 16 N/A f02dd55267597d9d58ca9c82fe42047273878e6e.zip 1,089,545,872
6.2 17T529 16 N/A 2a33d8997b41f73672648722cd9dc2a1318e2f11.zip 1,078,740,276
6.2.1 17T530 16 N/A 06e66473e599c48674ff58761fdd97e242cf149f.zip 1,078,738,399
6.2.5 17T608 16 N/A d72a22faf59afc29ae3b3a273121fba971dd72f2.zip 1,078,900,423
6.2.6 17T620 16 N/A c0fd62e607cab1856f195f2c66221d670d26d129.zip 1,078,901,441
6.2.8 17U63 16 N/A edd57250befa1ed2f936403453592acf433a5649.zip 1,078,807,817
6.3 17U216 16 N/A 5d4a588d9078d64b898d9b81fe298eedcd191d93.zip 1,078,833,482
7.0 18R382 16 N/A a7e0de54ec2bfdeb97dd7919392f11abc220dffa.zip 719,832,623
7.0.1 18R395 16 N/A 1e650605eea51d0ce43a08eaecc1752d4a5eb621.zip 719,829,986
7.0.2 18R402 16 N/A ea61c8885d85993c36f56ac170879226ba3756c0.zip 719,824,230
7.0.3 18R410 16 N/A d3642a4b9ba3d41e51f7d658d50f73ac0b4a0fb9.zip 719,828,296
7.1 RC 18R589 16 N/A 0056616cd43e5d535882e8f91a24211c1fd49ac9.zip 673,726,927
7.1 18R590 16 N/A 250ba54e7d30b6b666a62a99c9db8c01778af3e8.zip 673,719,631
7.2 18S563 16 N/A 18f3f9a8c0b8b7814796f1ad3dcbf2562edb9576.zip 656,716,423
7.3 18S801 16 N/A 189aa06f07d4dedd12d470ea870cc71794a855a4.zip 652,897,405
7.3.2 18S821 16 N/A 323e4b78485484c1ddd159eefcefc8a2fa3ff62e.zip 652,890,784
7.3.3 18S830 16 N/A aeae5687e908fc1b527296b2f0fe2b5bcf4acdfd.zip 652,881,380
7.4 18T195 16 N/A 80ff77dbdda5556486ccb861d67a2413794ee02c.zip 276,043,075
7.4.1 18T201 16 N/A d4de446f3926d0acdc9707cdcb3f1f3ef41390c3.zip 276,015,535
7.5 18T567 16 N/A fe18f65bf8f0661651d2f1323ea414dae02b7cc0.zip 226,830,151
7.6 18U63 16 N/A bbc0e2fbf19ed692bfc64c76f8003837b6e0f1e4.zip 76,948,300

Watch3,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A fb803cbefddd432a1b2f57fe7db17ae14085b226.zip 258,810,021
7.5 beta 2 18T5555c 16 N/A 6a843471059aa61d6e7d13e0e2ef3502e97ec064.zip 245,835,553
7.5 beta 3 18T5564a 16 N/A 7bbc6e4b9210da901713e4b562edd84472066d97.zip 234,243,579
7.6 beta 18U5523d 16 N/A 58611f8120ac657cf81c7087d8b470742231448a.zip 212,664,181
7.6 beta 2 18U5533b 16 N/A ca06aef61c2fa8c0f4e36c4bec05e4bae9c61423.zip 201,245,628
7.6 beta 3 18U5542b 16 N/A 16b4685e285e7dc940b82030ca8e7d81790b1e57.zip 193,631,165
7.6 beta 4 18U5552d 16 N/A cfc47e9f2abb78df639f7ee7487eaf75b97c5717.zip 170,603,537
7.6 beta 5 18U5561a 16 N/A 553deae3da6f5d4b6227a37b2ab530877b217247.zip 147,461,756
18U70 N/A 16 N/A 22bcb5e1d2c69316f2ba82cdbe40d611167f00b9.zip 1,731,905,312
5.3.5 16U652 16 N/A 700c0f01b86e25c338d499b74efeddefcf43fb43.zip 1,259,163,382
5.3.6 16U662 16 N/A 8cd947d253bf6d937fb8797b1e9dc8d948b5a861.zip 1,259,162,729
5.3.7 16U674 16 N/A 412d00b1bc2cf3fca242277dac6a81b10513433d.zip 1,259,168,144
5.3.8 16U680 16 N/A 6e63ef061e46d20fbcfd6c2bff4599783c81430e.zip 1,259,163,410
5.3.9 16U693 16 N/A 069b8e9d55ca786f553b2753b41a754dd9e4cba6.zip 1,259,195,487
6.0 17R575 16 N/A f9bf418e484cbe025e8ad450d46a9af9f4ac5aef.zip 1,153,336,605
6.1 17S84 16 N/A 4749087da50d93854f3cb9516c9d8e4ad8cc065e.zip 1,091,602,335
6.1.1 17S449 16 N/A fc662dcf4da115b8f255d155445630ff478f264c.zip 1,091,337,215
6.1.2 17S796 16 N/A 6cd6460591425d2572c4e9599340dcfadf682a61.zip 1,091,315,188
6.1.3 17S811 16 N/A 669fada63874b0dab4a01ba0fbaf6af28368c36f.zip 1,091,319,055
6.2 17T529 16 N/A ed22eeade8dc000e14033032e46cadb8fca2de2e.zip 1,080,506,280
6.2.1 17T530 16 N/A ff93b11100ea459b647406433ded674aadd69bd7.zip 1,080,505,510
6.2.5 17T608 16 N/A c2c1032b5f152cc9e4050048fe547434449568bf.zip 1,080,659,529
6.2.6 17T620 16 N/A 41013920594611d5c09603c9e174577fc9dbe885.zip 1,080,659,138
6.2.8 17U63 16 N/A c5cb3279cce655840a21328a0958ed461a1f9b3e.zip 1,080,564,670
6.3 17U216 16 N/A f85215584ea6ee3fdde005ef91c3be3925e752cf.zip 1,080,592,088
7.0 18R382 16 N/A db4a5598a4c3426468ac9b0b9d37133e27440994.zip 719,781,630
7.0.1 18R395 16 N/A 499540fae97ab94445fb3831d3956f8b0c90ae72.zip 719,777,914
7.0.2 18R402 16 N/A 0afdb592e8209273cd26b4d880a1af59b8dd5dfd.zip 719,778,277
7.0.3 18R410 16 N/A a86b5a226ba633e30e61387d6353bdbab7774bd7.zip 719,779,213
7.1 RC 18R589 16 N/A 42486e071834990cb36135d46645673e10175f7c.zip 673,701,629
7.1 18R590 16 N/A 5914c73ece511d2f33cb8a462400c4a4207a4cf8.zip 673,697,652
7.2 18S563 16 N/A 9136e93ea6923730a075f6b58c5cd4660a6ce74b.zip 656,718,740
7.3 18S801 16 N/A 6daf2aa0a3028973b30899f02eb0cc37788ad900.zip 652,853,114
7.3.2 18S821 16 N/A 762fdfe618efdec82374743f4a4c7202a554ea6a.zip 652,852,067
7.3.3 18S830 16 N/A 3a0e95dff3e1a12868a11881912577c74027fdaa.zip 652,839,549
7.4 18T195 16 N/A dbba98a4471d8d5d6bf34867731108ca50905d9b.zip 276,013,797
7.4.1 18T201 16 N/A a3143df587780ed98a5e7ccdce83c07efc23fdf5.zip 275,983,728
7.5 18T567 16 N/A 161bc48572e528bb227eebc969ccec49a90fe415.zip 226,859,253
7.6 18U63 16 N/A 425c4b1df0e93f470e665a4e02ec77da20c9455a.zip 76,960,424

Apple Watch Series 4

Watch4,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 3f529f5ed293dfe39406ecacd9a4aa3ae06f67f3.zip 234,497,221
7.5 beta 2 18T5555c 16 N/A 1d0d6b18ff873e406dfca963a7f0567cc8965209.zip 218,068,082
7.5 beta 3 18T5564a 16 N/A 743275b03eb47ae3f2218a6b7ce810a19bfff79c.zip 204,034,970
7.6 beta 18U5523d 16 N/A d764fc40e2b1f28215be5d83ee29c395f0141dfd.zip 182,577,177
7.6 beta 2 18U5533b 16 N/A 550a0153457d2574c4be8b3517842e294f81efff.zip 172,608,506
7.6 beta 3 18U5542b 16 N/A e5769942dfaa9206c4463399407bda9a259a3d2e.zip 164,186,885
7.6 beta 4 18U5552d 16 N/A 0431748c0411318902f4e516824455edd724737a.zip 140,355,365
7.6 beta 5 18U5561a 16 N/A 5c0aace506daee6d2b40003ccb9d30a2df523fe1.zip 119,410,290
18U70 N/A 16 N/A 40b8de7da3c332e50c7addd1eb6ac73336839b10.zip 1,793,460,368
5.3.5 16U652 16 N/A 64e7b010e81734874684a728ee801748d6b6146e.zip 1,300,391,328
5.3.6 16U662 16 N/A 6372057f9f5a43a41fb88e41a7ba85664ded8b25.zip 1,300,380,779
5.3.7 16U674 16 N/A 366d50af5f802ae8e7559bc0981e0569cc24a832.zip 1,300,488,647
5.3.8 16U680 16 N/A 10df866dd3a8cb07f914454abbbe94f026130d2e.zip 1,300,482,909
5.3.9 16U693 16 N/A acc2f40947cdf33cd9db8af07c91e195fbcc40da.zip 1,300,487,653
6.0 17R575 16 N/A 9f8c04337024d53cea518bacaa52328fc695a7ac.zip 1,191,245,065
6.0.1 17R605 16 N/A 433e769d0a9b567c4832dc4e628cf88ba1691150.zip 1,191,258,483
6.1 17S84 16 N/A 7c4ca449b7d0ee77a1d8bfb3efcffc7fe3fe22ec.zip 1,127,373,562
6.1.1 17S449 16 N/A 8989489767208cee19ac90cad5d4f9bd07e9f974.zip 1,127,134,819
6.1.2 17S796 16 N/A 8b8ecd4c879e9e10236c40727e6320d04af0606c.zip 1,127,114,874
6.1.3 17S811 16 N/A 713bf272e6aafb975ff299e771beccf679906814.zip 1,127,112,712
6.2 17T529 16 N/A 087522b91915b55053d6bc416308b35b91878947.zip 1,114,903,973
6.2.1 17T530 16 N/A cb8ed66cfc946f1319407e7dbe53791095ea9006.zip 1,114,905,240
6.2.5 17T608 16 N/A 6e0fb92bb829b72635054266527a47d52371e1cc.zip 1,115,325,911
6.2.6 17T620 16 N/A 081cb82e9a6a063139b52f701bae13cbd28e9130.zip 1,115,324,791
6.2.8 17U63 16 N/A 82077ec0e6fb8334b7777b3fb83ca5ce7861366a.zip 1,115,217,783
6.3 17U216 16 N/A dfaefb00429ddae92bf27aabf1c3e13d1d9821eb.zip 1,115,216,349
7.0 18R382 16 N/A b3720e333c69437b69eb7f5a1dd4ded6df5c634a.zip 699,294,008
7.0.1 18R395 16 N/A 91adfccbc1188cd1c116ee51c8bc290c585d773d.zip 699,293,595
7.0.2 18R402 16 N/A 4c9ab1bf6286d2524cc5b556fc71da05a7644d7e.zip 699,294,645
7.1 RC 18R589 16 N/A 135799e5d0e9c1a4bc73b9ed609c9c197d33b103.zip 640,336,041
7.1 18R590 16 N/A a2b77904523b6d77d8d1b2eac3baaa165a368b32.zip 640,335,214
7.2 18S563 16 N/A fdd32661e598212fc3fc626ccb0e27f63ff91362.zip 602,464,832
7.3 18S801 16 N/A d9e34e4f10b1ed730e89998d33cf37a24fe7ae36.zip 598,696,605
7.3.2 18S821 16 N/A 069901485f1a11cb5d00fbc9591ba70b782dcbf0.zip 598,693,238
7.3.3 18S830 16 N/A fc859f6730fc9f4b26cf322e68c5a6319dc8f8cd.zip 598,699,045
7.4 18T195 16 N/A 7b1fcf32423742796d03b2939fcb72adfffabbcd.zip 251,658,745
7.4.1 18T201 16 N/A c6c3edd606adcad6ea2a7ba4eef5a163760d03da.zip 251,635,265
7.5 18T567 16 N/A 2dc8fd23fa0dd7ae58ec9ec40831e551ba6b16f5.zip 196,996,293
7.6 18U63 16 N/A 3d6aec776ca600b7aef9ec7981edd31cbcc49556.zip 67,324,365

Watch4,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 7045fa2c81f705580742ababcc9ca16206529614.zip 234,565,643
7.5 beta 2 18T5555c 16 N/A 2643e16233eb5f8c0eb41ebb9346fea7869087a7.zip 218,133,266
7.5 beta 3 18T5564a 16 N/A 535a132910c29d411086481923c70c34b4ca2490.zip 204,092,133
7.6 beta 18U5523d 16 N/A 7b94669aa8ebe3c8cbdcd297d28d0cbc7c3b6b3b.zip 182,640,663
7.6 beta 2 18U5533b 16 N/A 5210814f17c9eb17f8d61592b25f3c5e342eecf1.zip 172,666,060
7.6 beta 3 18U5542b 16 N/A bbea300ea136f34b5304905c4e1cd9e7d0c0e494.zip 164,243,552
7.6 beta 4 18U5552d 16 N/A 0e63db8dbba80360cfa18c635a5ae333400640fc.zip 140,417,003
7.6 beta 5 18U5561a 16 N/A e1aab88d8401c46e84ea90753e179a1420c7c03d.zip 119,472,050
18U70 N/A 16 N/A 2286251a6c801c3c7de31be4a69ac8bcba31ef80.zip 1,769,385,687
5.3.5 16U652 16 N/A cb9a43bbbe920b33698b4846e9f1339eabb174d7.zip 1,307,970,896
5.3.6 16U662 16 N/A b5b944128676dc4e11cf925311e298f75260b82b.zip 1,307,963,650
5.3.7 16U674 16 N/A a5c880ecdfe0ea7252ccf72337eebbc0b6042972.zip 1,307,903,341
5.3.8 16U680 16 N/A 07d5e47b966b40157e7571f75ee1155eb3d33d8d.zip 1,307,900,133
5.3.9 16U693 16 N/A 1274b89ebc1c4578451d935f5478e71099b8f515.zip 1,307,907,868
6.0 17R575 16 N/A 19559081f47472daba0dfc8745df4595cebe85f9.zip 1,195,274,502
6.0.1 17R605 16 N/A 42e8a02af45ecabe7d8959a4007eeeac0db570a0.zip 1,195,265,253
6.1 17S84 16 N/A f2215aefe2aef281f5c461674c24e0c4c1cfa4e7.zip 1,131,629,313
6.1.1 17S449 16 N/A 892003ef511d41deffce0a463185e2e5780d4423.zip 1,131,442,962
6.1.2 17S796 16 N/A 1110b1da1d3a05add489f3e2c1c4984f5874cc74.zip 1,131,436,371
6.1.3 17S811 16 N/A 7b550005f64271bf0132d255e0334edb563ab5e5.zip 1,131,432,435
6.2 17T529 16 N/A 0435a68ac048e429bb4a300f37f15d5153594e9f.zip 1,120,290,307
6.2.1 17T530 16 N/A c545545339f8e92dc3fa64a2668a19fc77d74cce.zip 1,120,289,774
6.2.5 17T608 16 N/A c09aacc1f1969d123f467c47a40807c43f56497c.zip 1,121,215,889
6.2.6 17T620 16 N/A 19ce26773c4062d2ca24e1eb6692ba3550627887.zip 1,121,216,152
6.2.8 17U63 16 N/A a09b6b535f40952c1e2f65b4ee7eab2a27812136.zip 1,121,106,830
6.3 17U216 16 N/A 27a0bd7313370a19ca9bfbcb3d7d871771821f08.zip 1,121,109,751
7.0 18R382 16 N/A fefc9d0ec952339a976db435a65cf35a4d12be7e.zip 698,865,884
7.0.1 18R395 16 N/A 3f15bedc4be6bbe627edc0f483fe106295efc7a6.zip 698,865,088
7.0.2 18R402 16 N/A 40f2ee244b7258d76a735e54790a0f6657a0a9ad.zip 698,863,159
7.1 RC 18R589 16 N/A 1f70018522788fa36bfea66fa267cf9d978c9532.zip 639,692,417
7.1 18R590 16 N/A c6bd492986322d0e80ff00fcf5393bde6b5903ad.zip 639,690,123
7.2 18S563 16 N/A 42978dcbb2e70595cb5498b26a8bddf09c23526b.zip 602,377,360
7.3 18S801 16 N/A be6742f4c4e0f74bb7b9dcce688590dab7afac36.zip 598,609,883
7.3.2 18S821 16 N/A b18ef1c699a4451799578db9832a1b7eb4f0e7e4.zip 598,614,367
7.3.3 18S830 16 N/A 91086ea70482fcfba3898db2a2490fbb3175d858.zip 598,615,012
7.4 18T195 16 N/A 165e3c944e2373ce53388f731de3a255b78e841b.zip 251,726,256
7.4.1 18T201 16 N/A 1de1383d826ea15868fe1f5c6f3013eec855c18f.zip 251,698,313
7.5 18T567 16 N/A 80322dd3a46f944fc552fad3a95e6894e18c5dcc.zip 197,075,922
7.6 18U63 16 N/A a78d5cf8072c79ddc547fbdcb1aeb11887f3d919.zip 67,361,636

Watch4,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 7545fa0a349441378f75340e1f5e85d31644c23c.zip 254,648,970
7.5 beta 2 18T5555c 16 N/A e9d9c04a7759229e351b7b167b278c0ac716aa19.zip 235,199,792
7.5 beta 3 18T5564a 16 N/A 95503cafdd72dab98bf3fb73492a9bba0f447d87.zip 221,773,203
7.6 beta 18U5523d 16 N/A 0b14f77edf0c3ceb1fb149caa67ea1c0e47b35c8.zip 200,262,156
7.6 beta 2 18U5533b 16 N/A fe38036c9e27cd597f0251088288243bdbcc9e67.zip 181,534,261
7.6 beta 3 18U5542b 16 N/A c7d75287fe99b5a0d67caf714942704546736145.zip 172,334,337
7.6 beta 4 18U5552d 16 N/A 37c51823b01db0dd926029cb96d666c22dab16fc.zip 146,907,475
7.6 beta 5 18U5561a 16 N/A 00bac36f5c198ed68fdc6558992b67604c2d9d61.zip 126,048,865
18U70 N/A 16 N/A e6a8c5284ea20fe388c3ee16ce91adfb9afb89fa.zip 1,837,051,292
5.3.5 16U652 16 N/A ac349be7572035db0541a92da8bb220086fb8652.zip 1,330,567,409
5.3.6 16U662 16 N/A 5666de9216141555c72b885fe3657873367a7b3b.zip 1,330,561,998
5.3.7 16U674 16 N/A a86cedae154d820c3a24b6f3c7aa5f53c64ed13c.zip 1,330,544,433
5.3.8 16U680 16 N/A 59ca4e8ac04d57d94605e5d9cf3780105ee7d2bd.zip 1,330,539,379
5.3.9 16U693 16 N/A 7b3f6050fa1d27d9a3361c02fe9ca07db6076121.zip 1,330,546,762
6.0 17R575 16 N/A e4b53561ccd5b90c8b84c2e9693ee83ad49e5991.zip 1,222,975,511
6.0.1 17R605 16 N/A 861b73c9015240d45dc8aa940cca5bf8fb92a53c.zip 1,222,956,108
6.1 17S84 16 N/A 8a8efc9b6f92d7ce804199fbe494af5f4a80e55e.zip 1,158,562,305
6.1.1 17S449 16 N/A 12c81737fb134880adcfb37aeabd331e3d4a6577.zip 1,158,348,846
6.1.2 17S796 16 N/A 3a75321d57ad0865250c8c3a5d510628c7f9647f.zip 1,158,110,455
6.1.3 17S811 16 N/A 42e1415badb9e64d096d158dd7dd6df1c743955b.zip 1,158,108,837
6.2 17T529 16 N/A a9aeb16c3b32fe377416cc89bf3565c47194112e.zip 1,146,629,089
6.2.1 17T530 16 N/A b02790221e5e0f68af663ccfdaa15c4348bf0ac1.zip 1,146,631,682
6.2.5 17T608 16 N/A af08df39cf43279cf6d1048175168a1095a87b25.zip 1,146,048,121
6.2.6 17T620 16 N/A 39baff9fd8ebc07daab9e593d6f1144d45ac6294.zip 1,146,048,979
6.2.8 17U63 16 N/A 36f14cbc659ae97c571360a4597c6d5c7ce3c8d8.zip 1,145,937,610
6.3 17U216 16 N/A 0908cb2337108a7328f1be56a6ddecb1a06efd0d.zip 1,145,940,343
7.0 18R382 16 N/A eaf45bf19aee1ac50b1f0f8e1fd98571f05eeb61.zip 724,614,009
7.0.1 18R395 16 N/A 11ede3b02b194e42313f825a973a82e649e18041.zip 724,614,707
7.0.2 18R402 16 N/A c175c4dcf3b0bc343fa32f1a6c31f46c9eb06301.zip 724,612,945
7.1 RC 18R589 16 N/A 69da7bd3265ae3b7fe16a6ebf885e0d02e05aaa2.zip 664,214,660
7.1 18R590 16 N/A 91135dbba59692971042ed9b2bd9418be817d753.zip 664,210,584
7.2 18S563 16 N/A 455a8ec906e118e0b7dd9f8713b60a1f61466269.zip 626,493,300
7.3 18S801 16 N/A a00bd4b824e09604164085fedbc4800a6833fb90.zip 622,652,650
7.3.2 18S821 16 N/A 4d101424109dc9de3a8d3f0320931b8ed9c597d2.zip 622,655,317
7.3.3 18S830 16 N/A 3a79c6e81833215b1cabe7c2701a10d000a24649.zip 622,656,416
7.4 18T195 16 N/A a6fe8bbdde6faf02b2517aa6a09199ee952f3eb3.zip 269,129,535
7.4.1 18T201 16 N/A f168e49d85bf243e896b4ad10ccb77cfe1549e90.zip 269,113,541
7.5 18T567 16 N/A c1a9b57bb4b5e047d4e25402c777e4031ae254c1.zip 213,162,151
7.6 18U63 16 N/A 82060175f39846de7a4a5aa3bff6c1341749da26.zip 73,326,158

Watch4,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 878a4057d65113a659f1383bedfa32dd1d665da3.zip 254,711,569
7.5 beta 2 18T5555c 16 N/A 0991b905525a8748db5f57f7b695dd6253be2797.zip 235,270,458
7.5 beta 3 18T5564a 16 N/A b35c21f0c440575f066adbad80d20fb6327394bf.zip 221,842,490
7.6 beta 18U5523d 16 N/A ab6698cd36310225a5c7235dcdcb08ba5b2c3eb8.zip 200,331,901
7.6 beta 2 18U5533b 16 N/A 753ae0321f91624a32993823838df821cf05545c.zip 181,591,728
7.6 beta 3 18U5542b 16 N/A c02f6132091d64f33fab93589b1075ae75080db4.zip 172,384,786
7.6 beta 4 18U5552d 16 N/A 45994e147966bebd83fe84cb1cc9e9db09fd776c.zip 146,971,873
7.6 beta 5 18U5561a 16 N/A 923e639a1f5a087b6ede97efdd580defaa8bd165.zip 126,107,046
18U70 N/A 16 N/A 474e7af7cac4cea0f03fac3f4a91227b694abb79.zip 1,812,832,885
5.3.5 16U652 16 N/A c2de7cacb1c0f627917017f570468e9059757d00.zip 1,340,047,887
5.3.6 16U662 16 N/A 57309dbb9a8d8db574e5dc5efe1c24add6abd649.zip 1,340,041,000
5.3.7 16U674 16 N/A 8579afa36de2abaee0fbffb027c15f7102688662.zip 1,340,038,312
5.3.8 16U680 16 N/A cf105fc2e05624e73584b329674ced4cd0472796.zip 1,340,034,016
5.3.9 16U693 16 N/A 5a584df12d61e526897ab911cd00712ac9b422c1.zip 1,340,044,835
6.0 17R575 16 N/A 149ebd9601e2bbcc9ac27b0fb66b4e774df6b6c4.zip 1,227,205,496
6.0.1 17R605 16 N/A f9588924d977dcec41088417abd1c643eedd9613.zip 1,227,108,937
6.1 17S84 16 N/A 667a0ef216b5aba4b1a8b1d080c51f98e64411e3.zip 1,163,966,058
6.1.1 17S449 16 N/A a56bd25b483454088a9d74068ddcb48f780c4321.zip 1,163,960,001
6.1.2 17S796 16 N/A 14c89461736d5047ab1d784464d49579867b9c84.zip 1,163,722,444
6.1.3 17S811 16 N/A d53da4523ed47c3233add6abd1199bc09a44f4af.zip 1,163,722,822
6.2 17T529 16 N/A 3c719daa55f853d4015ec220ed197621e58b0409.zip 1,151,599,710
6.2.1 17T530 16 N/A a8af8892f00e736632e2d386bafd1f0bf25e41b5.zip 1,151,601,849
6.2.5 17T608 16 N/A bcecfd373a8a63b9f2922a267d1fdf302914302e.zip 1,152,190,837
6.2.6 17T620 16 N/A 364669c3503b73d6a6da93045bfa3fe40131abf5.zip 1,152,193,281
6.2.8 17U63 16 N/A 1fb160857698e8bfc1a146babb27f9f7fd0268f7.zip 1,152,079,453
6.3 17U216 16 N/A 73a903a5e262127d70fd9470fcc9a6190b060b07.zip 1,152,081,980
7.0 18R382 16 N/A 249b0d06ca12ea4b410f42ea4a7a4fb73167cec8.zip 724,164,218
7.0.1 18R395 16 N/A ec1605fa273fba0b3dbde63db8e7c31418d5e449.zip 724,163,855
7.0.2 18R402 16 N/A 5d376895b08e814baeede3c204b2ea787671f4c6.zip 724,162,685
7.1 RC 18R589 16 N/A efcf24aa1504b28097213e969b65bab355c3b717.zip 663,549,869
7.1 18R590 16 N/A 85dd88a2bd224e23935147f793d7cb7080abd5ed.zip 663,546,170
7.2 18S563 16 N/A e078002a71fdb282a246c3ea047ff1b6e83ba8e2.zip 626,417,110
7.3 18S801 16 N/A cb70dd0a7de05ec703b13ab7249d999cf3561c9c.zip 622,595,007
7.3.2 18S821 16 N/A aa71b27ef460f8b52672ef5feafdddea36706ebc.zip 622,605,153
7.3.3 18S830 16 N/A be26d1c90f9d3b75e7c896ef0ff52b65ddb1287f.zip 622,598,188
7.4 18T195 16 N/A 58d263a6f3914e0b72cf32091a27238c279a0ad8.zip 269,202,996
7.4.1 18T201 16 N/A 374bb9046a61262f301907e07f5f29809d927031.zip 269,186,856
7.5 18T567 16 N/A 0c556960843022781132da000f37ce639c89d677.zip 213,264,741
7.6 18U63 16 N/A 4feb7d135d2bf9701cfe3c513962703b6dd2dd90.zip 73,366,518

Apple Watch Series 5

Watch5,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 47f68b6cdbc40c009d44b40fbe1513c6e3b6c4ba.zip 234,878,662
7.5 beta 2 18T5555c 16 N/A 69970acb647d2c0a09e0b85a253c746feb36f231.zip 218,479,979
7.5 beta 3 18T5564a 16 N/A 53354e81f5325d69ba5ff0838d8d8124bc620fc2.zip 204,440,253
7.6 beta 18U5523d 16 N/A 3b53e2f959ff560ce11be0e294d6b9aa879985ae.zip 182,990,280
7.6 beta 2 18U5533b 16 N/A 6649f69bd4ebc18452810bde92c7d62c153f13a0.zip 173,019,170
7.6 beta 3 18U5542b 16 N/A eeba5a552d48900dc0a04453e9f3feed0a1026ee.zip 164,595,753
7.6 beta 4 18U5552d 16 N/A e1ec05f6ab4f3f9f34b3978f9fd241f343238fd8.zip 140,757,420
7.6 beta 5 18U5561a 16 N/A 0dc798936bc48d5028429321523e5a57ca059431.zip 119,821,935
18U70 N/A 16 N/A 3ccd6e2d01f54be7ed5b81508983881c69d6bee0.zip 1,794,546,358
6.0 17R575 16 N/A 28d2ddf3a29c8aaa7a5b937d045c480c31068406.zip 1,192,479,130
6.1 17S84 16 N/A f56680f1e95483275668dfbb5e674cbd839208cd.zip 1,128,596,510
6.1.1 17S449 16 N/A 89c73886d972ed70933e2715a925b45119580a00.zip 1,128,351,139
6.1.2 17S796 16 N/A 6f8a557aa1a3ac923d73eb06981b0824f4719053.zip 1,128,080,191
6.1.3 17S811 16 N/A aa87a5db1b76e4e36f60531c0c2f0a4d499d9759.zip 1,128,076,114
6.2 17T529 16 N/A 0761962840392711d00f14010c57c21a52bd3c77.zip 1,115,716,782
6.2.1 17T530 16 N/A 0545b26a7fc46d81968593d9224b67d20a04d49f.zip 1,115,717,394
6.2.5 17T608 16 N/A f88712abc5a047cdb65bd727c32fc1d5c5a4d06b.zip 1,116,145,252
6.2.6 17T620 16 N/A 9dfc49bd18c24f0a088677adb0fe2ffa2941c851.zip 1,116,146,555
6.2.8 17U63 16 N/A 5c89cf48b9c8862588ede2ed8efc9947a56d1576.zip 1,116,038,205
6.3 17U216 16 N/A 6fada4b02684ec8f13655adeb54a62c5a57bc03d.zip 1,116,042,843
7.0 18R382 16 N/A 2e852fd189434b675ed407b5129b983ed9659572.zip 699,958,119
7.0.1 18R395 16 N/A fdf66c9676d470a504789361f1aded86ab5c77bd.zip 699,953,941
7.0.2 18R402 16 N/A ab12c89a419e4fdf3fbee368ff4c8beb7ff7d600.zip 699,951,614
7.1 RC 18R589 16 N/A c2895eb80624fb0937802b6d071165ebe1dfb13e.zip 640,899,965
7.1 18R590 16 N/A 8bf4bebb40a3f112f95f45e1be94e12cd2c3d378.zip 640,895,708
7.2 18S563 16 N/A 374b021344e6f1eb760e05a8fdff1032a54a6241.zip 603,038,939
7.3 18S801 16 N/A f1f2b469c0c989d80be5a82a9f672ec920f255e3.zip 599,267,874
7.3.1 18S811 16 N/A b31505a32c809a9034e9496825ca959f142d49f7.zip 599,263,652
7.3.2 18S821 16 N/A 769f4ca994f3ef8e4375a3a4d9ca805eadcf98b3.zip 599,266,853
7.3.3 18S830 16 N/A eefa8e0be764bfa8dc49fd4495429926d0ff5586.zip 599,266,290
7.4 18T195 16 N/A 98acb9760fe93a0dfb062d581383b285c8ff3271.zip 252,058,662
7.4.1 18T201 16 N/A 7a024f78a9c0765eec7a63e4107b904af86c02d7.zip 252,028,346
7.5 18T567 16 N/A 1f66e8e4a7e83616bf9f6bbddec14bb14748aad8.zip 197,426,154
7.6 18U63 16 N/A 84f26ddfef834f30a469bd5b1b73b615e9135569.zip 67,716,646

Watch5,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 0657ac45b36f14589762347ce0ff63fc96839ecf.zip 234,945,962
7.5 beta 2 18T5555c 16 N/A f1c955150a07cd5fa050733999bb5fe32a19dbd2.zip 218,547,405
7.5 beta 3 18T5564a 16 N/A 2eb5f24ce385d1283121b149dd9aabf4033336c5.zip 204,496,170
7.6 beta 18U5523d 16 N/A 055be073a15ee36d3b31b8e1c971e40ba3abddbe.zip 183,044,213
7.6 beta 2 18U5533b 16 N/A edd676fef694077e69833656446675bf1c1e2d1f.zip 173,067,697
7.6 beta 3 18U5542b 16 N/A 43e860c8ad3b43fe93dd46519f5f1380f5231798.zip 164,649,089
7.6 beta 4 18U5552d 16 N/A 68d1654dc9926e8cabd3a39f2edc7b781d1dcf9d.zip 140,816,476
7.6 beta 5 18U5561a 16 N/A 1f070a76ac53db9d4af3e4fbf68c6726544f6c5a.zip 119,874,982
18U70 N/A 16 N/A fafec65600d98efcce69988edffe6596a575102e.zip 1,770,696,154
6.0 17R575 16 N/A a061afdd0e8bc43538087c9e390e4e861ceee9af.zip 1,196,382,889
6.1 17S84 16 N/A 1c440538db0a7b4b1be6e2c7c25c01ede380f12d.zip 1,132,822,005
6.1.1 17S449 16 N/A 9076b7613af7406ffd9b5599cb674270ef6d994a.zip 1,132,742,760
6.1.2 17S796 16 N/A b4c52af8a78872e04fef0aea8b7d87fbe9e3fc56.zip 1,132,465,622
6.1.3 17S811 16 N/A 7f803687b2e43028cb29a29f8bd6513eef041bde.zip 1,132,468,701
6.2 17T529 16 N/A b9f8c40d577304f3fec4d33f7dd07f71a3492102.zip 1,121,212,703
6.2.1 17T530 16 N/A 9fae037e18e8e86f6b8ae44e67441b0ba6cf34ae.zip 1,121,212,108
6.2.5 17T608 16 N/A 824b49162dac7c5d89d8b6b33b65bc224c0acb7f.zip 1,122,159,813
6.2.6 17T620 16 N/A 12f1f217231670947f3af2605de2873d699ae3d3.zip 1,122,162,014
6.2.8 17U63 16 N/A 8c0d726e3d91b9c1aed7c174696686be2a590e6c.zip 1,122,051,653
6.3 17U216 16 N/A ace5b186e20af5ee99c9c9c30020c7233ccc038b.zip 1,122,052,505
7.0 18R382 16 N/A 0b6d48725c9d1dbfc58c088a1ef0c70507c08299.zip 699,483,412
7.0.1 18R395 16 N/A 95e7977901589479c3430cdb2ce2d44bbcc0e072.zip 699,480,572
7.0.2 18R402 16 N/A f1e358dcf20ca24705f9c3a4d1abd226058c63cb.zip 699,478,341
7.1 RC 18R589 16 N/A ba87776f99a8fd2691f9768bbbc7d89585d48c37.zip 640,250,405
7.1 18R590 16 N/A a21486468a7c0a94d58b86402bd8a10de401566c.zip 640,249,879
7.2 18S563 16 N/A ada005cb4384948be2ae7395c547c9e0b2d0a37f.zip 602,945,651
7.3 18S801 16 N/A c3d78f5048548a5c0f473f027c783ac992bcaa57.zip 599,178,729
7.3.1 18S811 16 N/A 103c315f85bf40f76ee1daf9b4e9788632f4c8b0.zip 599,175,439
7.3.2 18S821 16 N/A 737864ba2e8ff0dea6685c87b2967414a6e8f1d7.zip 599,180,263
7.3.3 18S830 16 N/A 1a8d74faffe7a1805e24003f3926e8341d1620c5.zip 599,181,396
7.4 18T195 16 N/A 8af2dac59f73f1e1c010a1188c4c2fe48c91c8bf.zip 252,125,906
7.4.1 18T201 16 N/A f0ec32e210d233dc276afba2b8e33b0723c7bcf4.zip 252,097,566
7.5 18T567 16 N/A 6478a2389388f274a36f9396bf52eed9a4997cf6.zip 197,497,311
7.6 18U63 16 N/A 6f3186121bc725cdd3e40d93ff47f476a7a41e3c.zip 67,755,186

Watch5,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 89f98da370de2e3f1333d27e6e418a39208bf4b0.zip 255,051,127
7.5 beta 2 18T5555c 16 N/A e0f64c72b570706e1ddff8121f1e94aaee9aa0af.zip 235,595,605
7.5 beta 3 18T5564a 16 N/A e4ee02abdd27f6c4d2bf00cf194601f8798a6109.zip 222,198,775
7.6 beta 18U5523d 16 N/A 342b0a8ba886f549d75eab6bc6e69896313d8bf5.zip 200,667,619
7.6 beta 2 18U5533b 16 N/A 15aaf7cfd7786f0963294012cb619bcfa7b60af2.zip 181,935,464
7.6 beta 3 18U5542b 16 N/A e3575aac402be447336af96206435de449e0f8c1.zip 172,739,846
7.6 beta 4 18U5552d 16 N/A c367ceecf57175c5571f4fa21fd5758e6b1fccdc.zip 147,320,480
7.6 beta 5 18U5561a 16 N/A 2e3df75892d7671202f397821d88d6557a14ec71.zip 126,438,656
18U70 N/A 16 N/A 7bd81e1efbeac22d579b89b3492d2d09daf89a16.zip 1,838,401,055
6.0 17R575 16 N/A c368186b642e396543bc396b01dbab79d1bb98b3.zip 1,223,993,102
6.1 17S84 16 N/A 0df739d029a5a6a53724d98520887746df142f81.zip 1,159,673,215
6.1.1 17S449 16 N/A 07caef9e0da93c09c2606d00c3bfde7fc358aeee.zip 1,159,491,487
6.1.2 17S796 16 N/A 53550fa5ca71d15533e467bbd9062ceea0c2664c.zip 1,159,082,270
6.1.3 17S811 16 N/A aea194fe8affb999c44fc18f325dbf357e14746c.zip 1,159,078,826
6.2 17T529 16 N/A 21d4d606a997271e6d96efb2c579f2a52940d76c.zip 1,147,662,970
6.2.1 17T530 16 N/A 4f8f4f1404a10878118dd4a4f9e880f02a36a52d.zip 1,147,662,236
6.2.5 17T608 16 N/A 1071c2a2510f2cc5da13fdc89b6500eb356d16fe.zip 1,147,070,460
6.2.6 17T620 16 N/A 7aed863d8d5165deb064b87d6c4ad716edf5a230.zip 1,147,070,818
6.2.8 17U63 16 N/A 590020ea465dd1af81cb88e4972b6cd3815d84d9.zip 1,146,965,008
6.3 17U216 16 N/A 0cc9e7d5c346a1774e623cd979dd00e21f545bf4.zip 1,146,964,120
7.0 18R382 16 N/A 4f07923f1be654faf4dad841e1898a53cf76bd8d.zip 725,228,275
7.0.1 18R395 16 N/A 0f1038ae73ee183561e9b2003a6e5d174cc05419.zip 725,225,824
7.0.2 18R402 16 N/A 0b9f27501040ab96d043d5f8e75e9ea8f84e058d.zip 725,225,508
7.1 RC 18R589 16 N/A 3cebd65d730983c0697730835f682dd5d174ed2d.zip 664,814,069
7.1 18R590 16 N/A b9a0aa43637971823ae03c01de8d8fda40d86a95.zip 664,807,563
7.2 18S563 16 N/A 4de544f6de31ced174b06c0c96ffef695be67148.zip 627,080,569
7.3 18S801 16 N/A 1e5dfdd2ddc587d1011b5013ddb36794b32ec60b.zip 623,252,469
7.3.1 18S811 16 N/A 725b23b3e117ab340c15088c87fbc3460a6b966f.zip 623,237,596
7.3.2 18S821 16 N/A 7fa4464fbd393d866c964f80605233cbe4990039.zip 623,246,943
7.3.3 18S830 16 N/A e2e13723a498d4d8a9b5413154e82dc5edab7178.zip 623,242,359
7.4 18T195 16 N/A 8cc251d1aa3882355fbcad5703d7ee85cfd98293.zip 269,541,610
7.4.1 18T201 16 N/A 4358fbffba3d61ba81cc4a39b4c22d4dd7c5f5fe.zip 269,524,905
7.5 18T567 16 N/A 24a483a3a836f666abbc5c53a1d875418f39a3fc.zip 213,583,617
7.6 18U63 16 N/A 370bdb14bec7bde4c127fb012476c44da2451229.zip 73,716,180

Watch5,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 64db98705d44d2a8375fb964aefdaf87a2e26cef.zip 255,130,322
7.5 beta 2 18T5555c 16 N/A abb46907bc303221fb35f36db894821bf89345b4.zip 235,707,550
7.5 beta 3 18T5564a 16 N/A a509aa0c38e7569044afac7775298c7f70870cf4.zip 222,258,015
7.6 beta 18U5523d 16 N/A ccff2e6716235eb2090cc5d9655e923c720c03b4.zip 200,734,535
7.6 beta 2 18U5533b 16 N/A dca8aed65c8601539784b93c3526baa41681e670.zip 181,989,310
7.6 beta 3 18U5542b 16 N/A 3c1fad65eb01774480c368d7027fb24f4f306613.zip 172,790,900
7.6 beta 4 18U5552d 16 N/A a374c9d11a2246c486ccb5a84318510127d7fad1.zip 147,367,876
7.6 beta 5 18U5561a 16 N/A 50c51a61cec22de6cc08168b31c9805317011649.zip 126,504,015
18U70 N/A 16 N/A 7e0368c5bb155d25368bbbeca19318de82cbb482.zip 1,813,967,829
6.0 17R575 16 N/A dcbaf225c79fb6a8fbf3864472604e91e7c7a31e.zip 1,228,146,848
6.1 17S84 16 N/A 2aa1612dc7e03966f6275f9c549e60b800648b05.zip 1,165,499,375
6.1.1 17S449 16 N/A a0bb8c666070f66542bc9361bef40bfa93c6a208.zip 1,165,551,940
6.1.2 17S796 16 N/A e8ec906db5d7eda8e5c224408ce35fd2ca750557.zip 1,165,139,429
6.1.3 17S811 16 N/A 77cf2d610eb08740609c3b9241156b9c02ac5078.zip 1,165,140,147
6.2 17T529 16 N/A 19fe6b919b6ff558d7d21ba71b9f22bafb23d3fa.zip 1,152,503,588
6.2.1 17T530 16 N/A 053408be026d0be507ae63624e60348126864570.zip 1,152,503,056
6.2.5 17T608 16 N/A d8b22975a909adb9b5b55ce6ace594bf59485895.zip 1,153,015,240
6.2.6 17T620 16 N/A 0ed813c87550ece53721603cd0fbab3e7c739922.zip 1,153,017,697
6.2.8 17U63 16 N/A 207bb8ee10c72d1b9008e7beb4136331f27129f0.zip 1,152,908,883
6.3 17U216 16 N/A ff13f81ec50ece5ddcc21e47efe23f9c1705f3ec.zip 1,152,919,185
7.0 18R382 16 N/A cceebabd739c80e7dbf68022b0299910494191d4.zip 724,746,446
7.0.1 18R395 16 N/A be379a315dfbd8774b56e2e43e70fcfe44ff968f.zip 724,748,242
7.0.2 18R402 16 N/A 008ccaa5221596f047a407b8b80f453259ede812.zip 724,743,422
7.1 RC 18R589 16 N/A 5c98ac4139c5ef935e1e4840b95a6da1d3ba9f44.zip 664,161,507
7.1 18R590 16 N/A 29371dbbaf6229e18c567431253c66c8b7404f2d.zip 664,156,098
7.2 18S563 16 N/A d8be410e8a98d00fbffe2208ebc179eaabdff020.zip 627,009,211
7.3 18S801 16 N/A 21db6ce0c337c41e740b61f1b7f222661fd97460.zip 623,176,063
7.3.1 18S811 16 N/A 236527f37fd64d13a76a41a0e45d88e613c833f8.zip 623,170,237
7.3.2 18S821 16 N/A f085099b6b7b23e30e06a4108a32036f0db662ae.zip 623,173,873
7.3.3 18S830 16 N/A 592e0733f31bb362d56dd59786e1b2d0de52f20d.zip 623,182,607
7.4 18T195 16 N/A c311e53d9ce7b19447b307293a4caa4b60ee879a.zip 269,611,222
7.4.1 18T201 16 N/A f8b2cf28ecc83c83dc0b910c641b8e55aa12c887.zip 269,586,641
7.5 18T567 16 N/A d857b23a7718760d1388b4428214de13bedded3b.zip 213,657,201
7.6 18U63 16 N/A 88b830df5b73dcf40cd0b61613a0e1c6b9b8b5fc.zip 73,756,127

Apple Watch SE

Watch5,9

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 47a671ad564202f1399ed6bf250ebe831be35b77.zip 234,875,367
7.5 beta 2 18T5555c 16 N/A c00babb578f50fc97753aa3130352cdcca97b888.zip 218,463,026
7.5 beta 3 18T5564a 16 N/A 63a53a5fd6ac65b42bda9df9eb8edb77e7a88609.zip 204,431,327
7.6 beta 18U5523d 16 N/A 2a4c5fbd945f0514efb7217a46b0d684965a4984.zip 182,980,804
7.6 beta 2 18U5533b 16 N/A d1d1498c86f1d05405dd24c02ffcd4ee02f27bc6.zip 173,000,469
7.6 beta 3 18U5542b 16 N/A ff6a6b56895adf98888fc9bb74529690dd0c9cf0.zip 164,595,958
7.6 beta 4 18U5552d 16 N/A 95441cd857094e7e04db6af8f974a0a6e4eea93f.zip 140,752,463
7.6 beta 5 18U5561a 16 N/A 1eb45ea599559db2e575090b9d03333278971076.zip 119,812,381
18U70 N/A 16 N/A 8b01752a387965e2dd09751b3e9a3a5d80ee7818.zip 1,794,476,527
7.0 18R382 16 N/A 995428135f2cfd246964a923672dc4d89b58ae9e.zip 700,035,629
7.0.1 18R395 16 N/A 740080d39758279547e3b24bb709c20bdf6ceae8.zip 700,034,349
7.0.2 18R402 16 N/A d4dee45d53154b27aeb1ae788c0faed784fef7fb.zip 700,036,022
7.1 RC 18R589 16 N/A e95ab2aa40f3a787653b9c177609fd21a1eff8d4.zip 640,970,395
7.1 18R590 16 N/A 5694f30b9bc4cc80780fda654d1309b7572881a7.zip 640,963,490
7.2 18S563 16 N/A cd6dfd6f35ae508e7a7f835fe78091218ecd0e07.zip 603,053,930
7.3 18S801 16 N/A cba795f49e9b2e04e5474dca2430d9253f977e88.zip 599,231,944
7.3.1 18S811 16 N/A cf12da6feec3f722e742fc1c44fa470da3985113.zip 599,222,549
7.3.2 18S821 16 N/A eb4cc77ddfd615c3b2925143d045d916a8aa3ba3.zip 599,226,339
7.3.3 18S830 16 N/A a164bdd526b084d4c73f35a03fa86351dc955d17.zip 599,225,325
7.4 18T195 16 N/A faa46c6df13a80e49c0ff780da12e3a394428444.zip 252,051,426
7.4.1 18T201 16 N/A d008e04eb2a38a5d1cf4bf0a9a5d0f715429cf6c.zip 252,028,629
7.5 18T567 16 N/A 586c3f812acdd13f437c93eff29d326ee2303de4.zip 197,423,605
7.6 18U63 16 N/A d2e4e486cb4044ab6b555a70feb4e6c20273bb0f.zip 67,712,188

Watch5,10

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 9f16f50139d31d7ede43aae32c94197918dd4f33.zip 234,931,864
7.5 beta 2 18T5555c 16 N/A 94d580942a06deec50723bde6670b526dd6a3356.zip 218,537,649
7.5 beta 3 18T5564a 16 N/A 7a43fee9846f9eb861ef70b0995a02975afd4d86.zip 204,508,373
7.6 beta 18U5523d 16 N/A d4c40a7ab536d1baf6807b86339bdc9c995ac5aa.zip 183,038,139
7.6 beta 2 18U5533b 16 N/A bcc0a74d9e4429221b30aeb3d003f7d6c30c9d5d.zip 173,060,633
7.6 beta 3 18U5542b 16 N/A 8ab1359f94433f289660bf100944e44a649857b9.zip 164,655,719
7.6 beta 4 18U5552d 16 N/A 6524a78967430bdf8ec7b8d0e6c58d3707e6a1c7.zip 140,808,049
7.6 beta 5 18U5561a 16 N/A 33445ecd70273542c7f53104fa4c2e24a14e1eec.zip 119,872,722
18U70 N/A 16 N/A 1feab6fd7ad98c7a31c8dfe8c67a62f03facfb97.zip 1,770,461,277
7.0 18R382 16 N/A 81a1dc19584c79026408e2870f13e9054a2efecf.zip 699,536,125
7.0.1 18R395 16 N/A 1aa129cf71f076e55b6fff9ebec8aaad060aae76.zip 699,538,019
7.0.2 18R402 16 N/A 085116c65dc04b1f39d7839946887b696bd6a1cd.zip 699,533,365
7.1 RC 18R589 16 N/A c22d8fbdc9494b7bd63c64a37c891ae0dca5b848.zip 640,328,490
7.1 18R590 16 N/A c13ca35470df42f7cb421b88ac03826d30ff0a29.zip 640,325,855
7.2 18S563 16 N/A c1c2f8a0e072ffef5dbc2bc0ad2f78ab3d580e60.zip 602,902,624
7.3 18S801 16 N/A 1668ecca107eef0c189845a2fc872cde5dd7ab54.zip 599,143,746
7.3.1 18S811 16 N/A 53d379a7d9ca5793befe892b481ced2ceb482669.zip 599,136,376
7.3.2 18S821 16 N/A 7a8440636414045b08332629ef910549a8bceab3.zip 599,137,521
7.3.3 18S830 16 N/A ea2d29dab94f33f2e4541fdd0de404fcc905df80.zip 599,136,620
7.4 18T195 16 N/A c283973d3f7bbc63f1d3fdbaabd6d7c57051aa6b.zip 252,130,632
7.4.1 18T201 16 N/A 6275e425d170133fa19028966b285059aecdc6e4.zip 252,104,548
7.5 18T567 16 N/A d23d446bb5826f28451b3d0c84b04247c304c83b.zip 197,495,026
7.6 18U63 16 N/A a05682773601b847aebc803bfb632f0530e6b907.zip 67,755,237

Watch5,11

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 951c9292646cec64c0f5157a33ddfb990928d813.zip 254,425,653
7.5 beta 2 18T5555c 16 N/A 7970d63ef31a306fef04cc4b0198f820a304480c.zip 234,937,483
7.5 beta 3 18T5564a 16 N/A 4770224f5de1a4e62e7600387298235661e4a91e.zip 221,539,745
7.6 beta 18U5523d 16 N/A aaca083b70ca97216841f3af03cb3591e57001ce.zip 200,003,245
7.6 beta 2 18U5533b 16 N/A b94770f8550ffbe47ba4b9a44c9cd0645c4b97ef.zip 181,275,334
7.6 beta 3 18U5542b 16 N/A ba94c7b158c5e384470df0b179fe48d3d96e69de.zip 172,078,887
7.6 beta 4 18U5552d 16 N/A 668d6c2c4f7a78ad0a8e5a12e7f990b571dc6b59.zip 146,651,838
7.6 beta 5 18U5561a 16 N/A e32a11efa41c56751ae084cc70bb734d066111c0.zip 125,784,727
18U70 N/A 16 N/A 8c01d641fbc1caa3f579c3e0ca36c7f4d539f3cc.zip 1,837,433,016
7.0 18R382 16 N/A 1c148b5f581b39f1f481bb150d9da1920766a42c.zip 724,574,972
7.0.1 18R395 16 N/A 93a479c8480d62de577fdc35294d333429e0db1a.zip 724,574,807
7.0.2 18R402 16 N/A de1face733aa1ccdccf2e338a327080af2ac802d.zip 724,573,678
7.1 RC 18R589 16 N/A a27a4a3f3191a38f85d878364741dc6939e52c5f.zip 664,234,707
7.1 18R590 16 N/A 7a4ca33098586aae7f25ee51a53963bb3882c9dc.zip 664,240,005
7.2 18S563 16 N/A beb2cf122672f1f3854a1832bdc8fb6bd28af488.zip 626,366,776
7.3 18S801 16 N/A 7271603146ca3f8432541c003f2dbb6947a36284.zip 622,579,913
7.3.1 18S811 16 N/A 8976c321fe87912d87f4b245c6a82aa4c4201931.zip 622,571,512
7.3.2 18S821 16 N/A 0ffa096b1c7678c850c946d27a7314c0abd55af6.zip 622,578,234
7.3.3 18S830 16 N/A f0500c7855264ed9397b25ff1de2a1c34fa00f07.zip 622,582,506
7.4 18T195 16 N/A ba2ffd1d80ec5306212cd90557c21cc0bc70a1c2.zip 268,910,811
7.4.1 18T201 16 N/A 04462fc41dbd95947b46c739b5aadff5ee492b36.zip 268,889,984
7.5 18T567 16 N/A 51df13054490845d5717c5c698e175acc57f7bb7.zip 212,912,215
7.6 18U63 16 N/A 571787887ac2a76564e30ec1db3daa67c939943c.zip 73,067,228

Watch5,12

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A a46c4e670793192889a3e3fd1ef8e6a9d69cd922.zip 254,507,983
7.5 beta 2 18T5555c 16 N/A dbb96e13d0cc6b5b1d00a92bd6197ce48a2547e7.zip 235,009,286
7.5 beta 3 18T5564a 16 N/A cfd93ec43d266998427d3ab8283711df1cbd06ac.zip 221,600,099
7.6 beta 18U5523d 16 N/A 7e256e5ab2893710908e23fdcdfd55633ff68a1b.zip 200,066,604
7.6 beta 2 18U5533b 16 N/A ef1941c025894e29b645b252371fdbd2fc73c1b6.zip 181,339,953
7.6 beta 3 18U5542b 16 N/A 9acdfd682cc15ac0c32001a93ac535ac7410c741.zip 172,118,216
7.6 beta 4 18U5552d 16 N/A 3cb9bd469b111d31d84f67a9103f7163b411a790.zip 146,698,983
7.6 beta 5 18U5561a 16 N/A 691062676a35c9bd8c96e8e3907a37cd9b920004.zip 125,849,467
18U70 N/A 16 N/A 4adea9eb38975266880e182a3f6d4f5a7dd12f17.zip 1,813,183,895
7.0 18R382 16 N/A e718cecac96d040e8ce0683af262df644074bada.zip 724,073,241
7.0.1 18R395 16 N/A 5a6a8b29ca0f3a4edf70a24813d71b02f58a154d.zip 724,074,317
7.0.2 18R402 16 N/A 426191ab5eb165994680c4e2a22b109f66c896c2.zip 724,070,624
7.1 RC 18R589 16 N/A b8f305304f3a1dd3371b02ddd85106f10ca43a76.zip 663,581,740
7.1 18R590 16 N/A 6c6a03dbb753bd2bc24ae2816e0f64adb50244fa.zip 663,582,089
7.2 18S563 16 N/A c507aa13c2727b37a2d04d5b8ff0c245d10779e5.zip 626,284,990
7.3 18S801 16 N/A 451ae1273065342839a90a4f91b7c1d64b46ec21.zip 622,499,104
7.3.1 18S811 16 N/A d22caf2696f436722f31ea77c9aeca07aa4c1bd7.zip 622,494,517
7.3.2 18S821 16 N/A ac68940be2db5d048119c059235e311dd597d064.zip 622,500,933
7.3.3 18S830 16 N/A 18297d41e33225fccb71745bce14aa9ff9d05ca6.zip 622,498,217
7.4 18T195 16 N/A 3fbb357ab5f3c33e27124fea8657d36a18458cc2.zip 268,990,535
7.4.1 18T201 16 N/A 2063a0a9789f1c63b3214481d1f083d125ad8b8d.zip 268,969,278
7.5 18T567 16 N/A 4fcfc268e42558ae87d33327301ac3bac03727e4.zip 212,993,648
7.6 18U63 16 N/A 588f2dd0cbcf62a26bd192949ed30214778da488.zip 73,098,258

Apple Watch Series 6

Watch6,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 80215e8f6ed89d5e0bd6ae29bfced0e157097fa4.zip 223,002,423
7.5 beta 2 18T5555c 16 N/A ea6e4b26b0f785e259a4bcc2e3062626e54dcf36.zip 206,593,540
7.5 beta 3 18T5564a 16 N/A 5db8f78c0e4260bfe1cc58b8ba7f41e398f18f52.zip 192,556,456
7.6 beta 18U5523d 16 N/A 204fc940a9711752783e5cbfcb88f7bc99680528.zip 171,121,934
7.6 beta 2 18U5533b 16 N/A 042d847e03b47518861e55c25dd502581c70f7cf.zip 161,130,838
7.6 beta 3 18U5542b 16 N/A 17351cb416c1e8b70a5b727935a8739960c69a51.zip 152,711,913
7.6 beta 4 18U5552d 16 N/A 0d4d585a8c6b020e411010024960f908ef84f66c.zip 128,870,675
7.6 beta 5 18U5561a 16 N/A dea3861b4516b9abb6a6ad67e2f5d5c4afa33738.zip 107,941,153
18U70 N/A 16 N/A 8daf69984186c38a82a2977b1d124f3aa91e408a.zip 1,783,821,425
7.0 18R382 16 N/A 25428e2cbe37f4a1660a9542405d503a90b3c3bb.zip 688,537,142
7.0.1 18R395 16 N/A 9293ac819fbb144ac8df591a446a4115dde399cd.zip 688,538,380
7.0.2 18R402 16 N/A 90550a9f14f7e90de7aa675e91b6bce46b06a6b2.zip 688,532,394
7.1 RC 18R589 16 N/A d96f2132aed595f6a93223bd336631e8084e5af2.zip 629,288,326
7.1 18R590 16 N/A de6cca19114e377c3ec4ca2233ee065d7481f1c1.zip 629,289,092
7.2 RC 18S563 16 N/A f309c24bcd9294a9bc54665717345e2813ebe493.zip 591,392,953
7.2 18S564 16 N/A b15d727a0a97d2d6bb43af029f42843ff51a624d.zip 591,395,471
7.3 18S801 16 N/A d743c367eb0a442872e61e88f5c640c6443d1977.zip 587,552,142
7.3.2 18S821 16 N/A 9265fc6ade8592a0be67a9c07853f79f28fc67e5.zip 587,554,895
7.3.3 18S830 16 N/A 57c339d0a19cb089dad70a556fe757c727bbc2b5.zip 587,558,105
7.4 18T195 16 N/A da45971802e6e767e302fff578d6d8755577f6fc.zip 240,144,666
7.4.1 18T201 16 N/A 7bdd52512e983939fce70e87e4840d878c7524a8.zip 240,111,795
7.5 18T567 16 N/A 51183cbc7128df66b359b1cf462afc2a8d8b21fd.zip 185,540,510
7.6 18U63 16 N/A a3733bfb82565678ac94650040f919ebec829722.zip 55,817,306

Watch6,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A bc00c604c10480c4a6e4274cc2809ff253583c52.zip 223,057,750
7.5 beta 2 18T5555c 16 N/A 5bb65d410dd690d91e02852c6add6c7b2bf230c3.zip 206,663,770
7.5 beta 3 18T5564a 16 N/A 5ef54016fc5fd252875e1413ea69f0ab231d68d6.zip 192,614,842
7.6 beta 18U5523d 16 N/A cd0f15cfd12ce3e37bc406ec3830e55f2e521a18.zip 171,152,590
7.6 beta 2 18U5533b 16 N/A 38dafa627699d00cc89953e5f897d5d589deb53e.zip 161,174,768
7.6 beta 3 18U5542b 16 N/A bd99c221ac3b31ec89cba74e4c65e069ca694cda.zip 152,760,178
7.6 beta 4 18U5552d 16 N/A 57aa72467dc54b9187041ee96a33739ea0e898aa.zip 128,922,704
7.6 beta 5 18U5561a 16 N/A 90c7f7e3053892303178c892ff219886bf791ce8.zip 107,991,957
18U70 N/A 16 N/A 3d46e66c7d2eaa0e73360dad0ca96b713f670d7e.zip 1,759,132,669
7.0 18R382 16 N/A 42b482ddb26ede61703b4dc6d1261d56f5674240.zip 688,094,402
7.0.1 18R395 16 N/A 66e0071e589ab012615d20ecf02de3d83d2a14d6.zip 688,092,370
7.0.2 18R402 16 N/A e7da1dbe6b4d38bf4047507afa3401978680eea1.zip 688,091,793
7.1 RC 18R589 16 N/A 5c8884867818a3ad96c8b84d68c5f33a2d0f8635.zip 628,663,069
7.1 18R590 16 N/A b4fc498699a673d53ad111d38433b22efd912be6.zip 628,659,109
7.2 RC 18S563 16 N/A 9366d07eee33a2cdd3514391406515b2a365fef5.zip 591,214,148
7.2 18S564 16 N/A 414fde8a2d671eb591c6b5a92f1dbd05659f171e.zip 591,211,784
7.3 18S801 16 N/A cd35eefd78917a01b9bc5531c9dbe0f490aa7149.zip 587,466,113
7.3.2 18S821 16 N/A 5b06c4409fea905c6f1db1f7eb6dac7e9e27e89e.zip 587,460,326
7.3.3 18S830 16 N/A 19e1c3fff19d8ca2dab5aadbb00db346e277f508.zip 587,459,726
7.4 18T195 16 N/A bed679467fa853980e8fcb8b6cce9e6518eb133e.zip 240,227,965
7.4.1 18T201 16 N/A 7b1c865ee6b979dbeafd4e53db1374f5f867fa58.zip 240,195,634
7.5 18T567 16 N/A 3744d3e91dd7bf016b83a0456b102b61a2b063c8.zip 185,601,618
7.6 18U63 16 N/A 02aad97de8b1304515608c82231b74cb1eb2e06e.zip 55,853,285

Watch6,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 414f2e26d53e84043e9fe2ee50ccc1c7b141fc71.zip 242,536,518
7.5 beta 2 18T5555c 16 N/A 15de420b978ae25e3dee54a516be8fe6da09ec10.zip 223,056,130
7.5 beta 3 18T5564a 16 N/A a4d3ce385b73f4651b9f62ccfe006703ac9bc194.zip 209,901,263
7.6 beta 18U5523d 16 N/A 7f1dcc674d2d0002aefc0177c0c18a5e4210693a.zip 188,150,360
7.6 beta 2 18U5533b 16 N/A db2b12fda45ce43cef0837158a43be086a1f5d03.zip 169,405,580
7.6 beta 3 18U5542b 16 N/A fd427a34f6e83c55e4436fce2de104cf653c44cd.zip 160,205,736
7.6 beta 4 18U5552d 16 N/A 49516124eb9c38140d84d1092b36b9044f1e281f.zip 134,778,247
7.6 beta 5 18U5561a 16 N/A 7486ef53d0108d36c2c49e841d97ec3ca5431d4f.zip 113,912,309
18U70 N/A 16 N/A 44d99aa557314db47c1c475f90046ae3def9a1c2.zip 1,825,677,113
7.0 18R382 16 N/A 068596f2ba4949a57e8fdef7a86cce104926dc1e.zip 712,968,700
7.0.1 18R395 16 N/A 6f2768764685fe98c10e24776c34a87099b80e3a.zip 712,969,790
7.0.2 18R402 16 N/A e316cc1a95c96e4c7869d2b89166178da2a67291.zip 712,968,944
7.1 RC 18R589 16 N/A 12160f641699010512b12f184a435ee263beee01.zip 652,551,901
7.1 18R590 16 N/A b9b04e680eb74a0a29af3e8d7b457cf3c7b9b5fc.zip 652,550,622
7.2 RC 18S563 16 N/A 3e4004057cb33b09d6c7e321a8dd4d4934a7c03c.zip 614,715,509
7.2 18S564 16 N/A 10b319fdb8d81d0537173a05460d6f7b98918ac6.zip 614,710,234
7.3 18S801 16 N/A 99ad5daebf6bb9351c8af3330533e79bea9fb027.zip 610,890,520
7.3.2 18S821 16 N/A 482f544d36a1e23af8d0962f714f41928cab42f7.zip 610,893,009
7.3.3 18S830 16 N/A 45534751b4dd7ca8dd15a88adb06ac9633983711.zip 610,887,821
7.4 18T195 16 N/A 54cf1f38057e3f38a467d2e4b69e8c5050ce34c1.zip 257,027,440
7.4.1 18T201 16 N/A e4a21540d31398e6b8e1934c325dc0b07db5ca59.zip 257,018,322
7.5 18T567 16 N/A af8ad99f854d1836fa03c5d23482a0c183977756.zip 201,056,693
7.6 18U63 16 N/A ad1b83ee7439d3a633ab0ea3203b9acc4e24985f.zip 61,175,126

Watch6,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.6.1 18U70[1] 7.5 beta 18T5546f 16 29 July 2021 N/A 8a2882a8324985c2afa5844ff39b8fb2f547ad43.zip 242,595,758
7.5 beta 2 18T5555c 16 N/A 059296ecf19c603debf9422388276beee67fa9c5.zip 223,121,698
7.5 beta 3 18T5564a 16 N/A 8f3bb71f97a9e09c24dde37899ed248cc0e62fc2.zip 209,960,695
7.6 beta 18U5523d 16 N/A 82362335e7737a75e4d4b987330fa60767da0de1.zip 188,198,560
7.6 beta 2 18U5533b 16 N/A f6071b391d799310a0ac052b29b2afb99699ad40.zip 169,458,093
7.6 beta 3 18U5542b 16 N/A 66e46ba279b5f285b2d16d89922e4b8ff93f159b.zip 160,249,086
7.6 beta 4 18U5552d 16 N/A 862447cb52cd16aa68e46ae02ec9e17038399bd4.zip 134,834,689
7.6 beta 5 18U5561a 16 N/A 382eba326101c177456da992120a339e1677e421.zip 113,960,520
18U70 N/A 16 N/A c920166d4c5bb928cbfac6a1844ce82fd625e477.zip 1,801,950,870
7.0 18R382 16 N/A 3a4f5f44e82b117ceaa1a75cf3563c8e71042892.zip 712,507,355
7.0.1 18R395 16 N/A aaec2dbdb6370d887278ea903b15528be7d23d6d.zip 712,507,581
7.0.2 18R402 16 N/A 4c19f6ed240e9ae052bddfe9ce4d9a9e09957e59.zip 712,505,035
7.1 RC 18R589 16 N/A 19e6b916b031e9a11377121a651ffa05830e77f2.zip 651,884,958
7.1 18R590 16 N/A 77f42c85c31267792fb18145b64937e1f6510537.zip 651,884,252
7.2 RC 18S563 16 N/A aad219cafc841fc3b6fb9f35808f349295f50ed8.zip 614,605,407
7.2 18S564 16 N/A 464cb0d072b94098b5f09320906fcbc4d3534056.zip 614,606,982
7.3 18S801 16 N/A eb61eb8823e48b992e6f254819ccc795fb811fe1.zip 610,811,743
7.3.2 18S821 16 N/A 25bfc7f11c5c1fb13a56f0585f810dd5d39a294b.zip 610,812,268
7.3.3 18S830 16 N/A b794d961444acd5f37992fae4446d92e07b0d56e.zip 610,809,570
7.4 18T195 16 N/A d758bac8779ade8b1af610d472131700e9a602a9.zip 257,085,020
7.4.1 18T201 16 N/A 568d2066bf77c3d440db51b4bd7b6fbe1900ba3f.zip 257,071,760
7.5 18T567 16 N/A c4fa10842ce15fef82b5e67a851ad00b31130e57.zip 201,120,418
7.6 18U63 16 N/A 3d350de065aaf5ad7119b4252ac052d4ac3615ea.zip 61,202,675

Notes

  1. ^ a b c d e f g h i j k l m n o p q r s t Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 18U70 was listed as 18U6070.)
    The listings on this page use the build number displayed on the device.
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