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OTA Updates/Apple Watch/7.4

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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
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 44e0f8459dc3239983e756c5eae118d7b817fddd.zip 675,085,519
7.3 beta 2 18S5793d 16 N/A f58acc448faecb095ad5748089efd6e20d9c8ab6.zip 674,165,936
7.4 beta 18T5144k 16 N/A f6cb37e87831d222fa84efc99a6a02d0329913e6.zip 390,596,026
7.4 beta 2 18T5159f 16 N/A d6d77790e37a209969c75b87d4a53907b41e52cf.zip 303,494,063
7.4 beta 3 18T5169f 16 N/A d6aa4f3bd760b9bd8db2ff90f3124c95d22f1533.zip 230,288,570
7.4 beta 4 18T5183b 16 N/A 3b362d7603a036f9370c918aefb1ef887fbb8729.zip 193,621,501
7.4 beta 5 18T5190a 16 N/A 005671a497ef41fb4c3dd2fd8c5ff16e38ff9c21.zip 189,256,601
7.4 beta 6 18T5193a 16 N/A ffdf12b08741bc2d2ea92b2bc2417d3c280b9653.zip 169,861,755
18T195 N/A 16 N/A 934209f9a70728594cf082e2a7ec3526b2e64a0a.zip 1,779,416,817
5.3.6 16U662 16 N/A 87c230b27afb2e2190e1da272bcf0adbdcaa971c.zip 1,286,008,259
5.3.7 16U674 16 N/A c2b1c94afeb8b6270ea4096a317acb009958c3bd.zip 1,286,011,500
5.3.8 16U680 16 N/A 9fa5073ffcb035775c96739e872ec2a17f8ad3ae.zip 1,285,996,971
6.0 17R575 16 N/A 7402ab30c6d7861ef46096477f3a1dc79aabf1ee.zip 1,181,935,046
6.1 17S84 16 N/A 5f7d57f9ae884f6a98de3ab3e50101bde71dd5e2.zip 1,119,652,569
6.1.1 17S449 16 N/A d734c7ff754db1d75005fed97f043f2ece7b2ca6.zip 1,119,685,876
6.1.2 17S796 16 N/A 2936272e20234d3f2a6792fd05afd4dacd85c927.zip 1,119,636,398
6.1.3 17S811 16 N/A 0b1d297286fa70199da8426dbc31549cbf9aa7d8.zip 1,119,639,105
6.2 17T529 16 N/A 342b426d35384d54a38352f202a07407c5ae0eae.zip 1,109,092,119
6.2.1 17T530 16 N/A d4e51494abddcbd158c01ca469d9ae9c13fe0b1b.zip 1,109,091,263
6.2.5 17T608 16 N/A a764519ba7786e4e2dfb51892132faf567defdf8.zip 1,109,222,318
6.2.6 17T620 16 N/A cd43b4ac298ca910e345b7fda9def9f01a5f4bfd.zip 1,109,222,702
6.2.8 17U63 16 N/A f296b0333b77312db0098925f4690d102252907e.zip 1,108,212,315
6.3 17U216 16 N/A 9035827e180359ffa9548d46b0e1070564d31907.zip 1,108,226,578
7.0 18R382 16 N/A 2bd4c6cef7c7a466e5c5838ff3f21804eaa2f577.zip 744,390,375
7.0.1 18R395 16 N/A fcb4f56f0a42e7802ebf94a6bbb2b44712cf0932.zip 744,386,789
7.0.2 18R402 16 N/A 42e232313f128718896ea205aeea1882dd93e12e.zip 744,384,522
7.0.3 18R410 16 N/A 8f1efd478afae0e82f7a270da0f0f3b7c86697e3.zip 744,380,398
7.1 RC 18R589 16 N/A eb2fca949b21dba8d4a493161c5a8d1345e933cc.zip 697,054,531
7.1 18R590 16 N/A b7d153ff0677127e51501e852630f98550e71668.zip 697,050,626
7.2 18S563 16 N/A 53acf89e322547bd9b75911dbcbf09d4771da5d0.zip 678,208,627
7.3 18S801 16 N/A 9540c3364eb912999794763e9b77fd316a54965e.zip 672,845,761
7.3.2 18S821 16 N/A 184c35f9f6bf078195074605884fcac1a911fb22.zip 672,842,186
7.3.3 18S830 16 N/A 691d59a8d035e4c4a40678d1ee5f2deb4f0b54d6.zip 672,842,357

Watch3,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 8bfaae19a1deed5617e9826857af216c4160ba10.zip 675,063,888
7.3 beta 2 18S5793d 16 N/A d501c16c9945231a4b015285a1e9e195ea0af018.zip 674,155,523
7.4 beta 18T5144k 16 N/A a4bed121fcc88c0b30b1138028aa476ee1b3e724.zip 390,649,303
7.4 beta 2 18T5159f 16 N/A c935b42bf63f38b4db922ba26c004ee78391b644.zip 303,471,585
7.4 beta 3 18T5169f 16 N/A 0ffbd93bf3e46307a7b5f45edf2d35aee16915ad.zip 230,301,872
7.4 beta 4 18T5183b 16 N/A f2b956b8c7e153b9fd016a77fd269192cff93896.zip 193,630,448
7.4 beta 5 18T5190a 16 N/A 79fe0a6a5181b3b23ff69fc1224c2bcd0e9e86a7.zip 189,273,427
7.4 beta 6 18T5193a 16 N/A aff2e778bf700bbb15e3d5ebac751439800bc31d.zip 169,877,028
18T195 N/A 16 N/A 4426eded52edf0c70c1737c3a8669388575c7917.zip 1,789,381,720
5.3.6 16U662 16 N/A 16fe266af1e1aadb43dfca9cf9caa7ea537ad1bc.zip 1,289,134,789
5.3.7 16U674 16 N/A 541af0dfa84bc2714701cb978f0feafe2256a9a4.zip 1,289,139,331
5.3.8 16U680 16 N/A 2bba9ea89d86d93f01721007227a1e99c298d842.zip 1,289,123,602
6.0 17R575 16 N/A f5a418480f922fbad9754244d6575e62ac68aa49.zip 1,183,781,335
6.1 17S84 16 N/A f7fc48df76cc9d12085c8d1735f12adc0217a0bd.zip 1,121,476,592
6.1.1 17S449 16 N/A ad8ac508ef3d4ecad54aea6ce62a530f1679620b.zip 1,121,452,691
6.1.2 17S796 16 N/A f4f27084471d717721c154eaf7e6b46e69ac0214.zip 1,121,405,941
6.1.3 17S811 16 N/A 636a1675e4a0bbed0dd61933be4ee0351b046233.zip 1,121,405,529
6.2 17T529 16 N/A a88d59af4edd5d190f3955c1c06b7376c96ccb21.zip 1,110,872,408
6.2.1 17T530 16 N/A 19b7af967c8e3edf30d7e24ef354fc24473b9508.zip 1,110,874,482
6.2.5 17T608 16 N/A f1c430cbc4cb5e0e9fa52acd8961cde38cc0accc.zip 1,110,997,206
6.2.6 17T620 16 N/A 62beb7880cec285a1c57fd2c67ac0626a90622cf.zip 1,110,997,287
6.2.8 17U63 16 N/A a20381f29c418a0f22022cd32d08084b1e5dc93a.zip 1,109,992,867
6.3 17U216 16 N/A a373c66db208cdcbc2e33fcfdd00bcb5e18e874e.zip 1,110,001,801
7.0 18R382 16 N/A f7359b2ccfe227e9e6710fa57cafc3a3d1848e6b.zip 744,308,157
7.0.1 18R395 16 N/A b8e270d7a4dd23197429b807263db4449f3fd85f.zip 744,304,267
7.0.2 18R402 16 N/A d5945860d5bfcdaa6364b120d5e3c5faa77baa13.zip 744,301,904
7.0.3 18R410 16 N/A ff580b307bfeadd25b3ba25295b731859a05a6e9.zip 744,302,286
7.1 RC 18R589 16 N/A 978b4cdd041e35864be3af5f8a21ff01858062b5.zip 696,994,275
7.1 18R590 16 N/A 1d6795b3d1a3d5fe0ff699d45b70b85c468b8d33.zip 696,986,762
7.2 18S563 16 N/A c523cc2c17686c225b4b282a1c291b57b0147448.zip 678,181,233
7.3 18S801 16 N/A 25e2c9e615714b0c3a79940445c431a860e54336.zip 672,813,772
7.3.2 18S821 16 N/A f163b2ff1bfb30d4f0f533e5439c254c46096972.zip 672,817,840
7.3.3 18S830 16 N/A 31a470b832e74b1fc4613173331871e23c01a05d.zip 672,813,108

Watch3,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 35e11cfa303b352e610976523bfec92cc79e6c6d.zip 641,694,818
7.3 beta 2 18S5793d 16 N/A f32a4824b967977d8a4684c6d89fa440f16bf526.zip 640,823,172
7.4 beta 18T5144k 16 N/A b7ea3f7025a1f1c83bb5f33cf66292e7da800b78.zip 357,914,927
7.4 beta 2 18T5159f 16 N/A a8318db6996f633ef735608bca35a242028fa34a.zip 269,425,780
7.4 beta 3 18T5169f 16 N/A 3a1c9381be2eeaa5659aefe246a15170513c84aa.zip 223,444,631
7.4 beta 4 18T5183b 16 N/A faeacc35e4ad1c58b1fb720ec76f98f3e1461f3e.zip 187,221,863
7.4 beta 5 18T5190a 16 N/A 3307f38ff343c640b7584f80ebd5999b71e47d5e.zip 182,989,740
7.4 beta 6 18T5193a 16 N/A 5aadb535185416db3806c509f8bfa40134fef988.zip 162,613,891
18T195 N/A 16 N/A 2a959714962bed4c12a70e69863e6503e65442da.zip 1,712,850,243
5.3.6 16U662 16 N/A 5657f3768111703700482be31eac85547f125de1.zip 1,247,783,099
5.3.7 16U674 16 N/A 6d60e1088cc072463aa40032167dffc265961ab5.zip 1,247,789,852
5.3.8 16U680 16 N/A 7a1d1a8cf150aff58c4a343cb508cfeb789ba007.zip 1,247,774,845
6.0 17R575 16 N/A 0aea0c0cab62147fd7051c73b34b40455788c32f.zip 1,143,171,392
6.1 17S84 16 N/A d5046d85529c4f755155e96551494529e3855d69.zip 1,081,852,363
6.1.1 17S449 16 N/A e04abbb8adb38f0a2da722f87dd8ee1c87411b1f.zip 1,081,088,930
6.1.2 17S796 16 N/A 5d78f82df4c27f0aa27a76608a4cf08633cad09d.zip 1,081,017,338
6.1.3 17S811 16 N/A 44e492fd959d25ed77e60897a50d12cd2a747d2d.zip 1,081,020,758
6.2 17T529 16 N/A 420d0efcb1ec0fd9931bad1e1473c7621f275d3a.zip 1,070,886,215
6.2.1 17T530 16 N/A 6999f79a497b1e809a66321049ed6584b0518724.zip 1,070,883,880
6.2.5 17T608 16 N/A 5b2eee9dd3448da2b901dde320cafb414b722958.zip 1,070,911,162
6.2.6 17T620 16 N/A ebbcbfe7eacd547999600554c4e7eff0690edef7.zip 1,070,910,661
6.2.8 17U63 16 N/A ce57d63b37119a0bbad13de43db102373314a895.zip 1,070,842,878
6.3 17U216 16 N/A 23ab8f09faed214e53209dfd9fa3e775b279cd81.zip 1,070,857,296
7.0 18R382 16 N/A b500bcde20991ef9000bcc92d73f9afbb138d899.zip 711,051,563
7.0.1 18R395 16 N/A cee09f7e406ed3dc2df20ccab7c2da3419dc202a.zip 711,049,139
7.0.2 18R402 16 N/A 8d82d3ea8fe43634534e0d0742a3a6aa8126f13b.zip 711,047,033
7.0.3 18R410 16 N/A a5c44011152b05b287247b9b5151ec56bd79abab.zip 711,045,868
7.1 RC 18R589 16 N/A 1cbf951f683dda11be350661460139fa14b3d9ff.zip 663,822,640
7.1 18R590 16 N/A 52264b077ce2e4c1910bd9906dec52ec549cbda2.zip 663,817,273
7.2 18S563 16 N/A 63ec307e1fe653a14aa6880c9f598113e044f746.zip 644,850,852
7.3 18S801 16 N/A 83f5bd58a89502abbc392c9b474b30bd050153ae.zip 639,605,438
7.3.2 18S821 16 N/A fc5ec6079ec6f6e522af0e7730f239265dc7b7bd.zip 639,608,855
7.3.3 18S830 16 N/A 53814ba284da59c358eca07a8433492cc2c16b43.zip 639,605,863

Watch3,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A c232b205f3b21ca3a3bea60838cb464a68ee4a8f.zip 641,666,681
7.3 beta 2 18S5793d 16 N/A 23bfa8db21acec9ed013668cd6c344825b3e9c8e.zip 640,810,133
7.4 beta 18T5144k 16 N/A 00706ec451f3baf895b93436f46e48c2ce150e1b.zip 357,937,546
7.4 beta 2 18T5159f 16 N/A 61aa104ea9fc128c05558f1941bfbda0951789dd.zip 269,423,572
7.4 beta 3 18T5169f 16 N/A 3c13eb58a8e669c2be6f8ba5da759f422f3cbb47.zip 223,456,904
7.4 beta 4 18T5183b 16 N/A 34c72faa56c02569a68a787c8dbd44c983082a06.zip 187,236,402
7.4 beta 5 18T5190a 16 N/A 797eccba8554cde943d9eb80504bde8fd8aad1b3.zip 183,006,208
7.4 beta 6 18T5193a 16 N/A 3bd3f58ce51ad4e14fa31a5fc748aeb07d8ab717.zip 162,640,100
18T195 N/A 16 N/A 69fadb54d9bd241244e9896d82a05d05409b3281.zip 1,723,249,070
5.3.6 16U662 16 N/A 55b23ef5bb6055891bd3afd46d5c38970098eb96.zip 1,251,439,211
5.3.7 16U674 16 N/A aa46d09f40350fb787c95d50194ebc36e10c6b9f.zip 1,251,450,617
5.3.8 16U680 16 N/A ba744af31e22c3fdfbce6fa87251bf017edc2168.zip 1,251,432,508
6.0 17R575 16 N/A bd31b6d3998302a29b9b22cc99151ed38e19f0d4.zip 1,144,921,426
6.1 17S84 16 N/A c6c94bf490cd0c6aa44bc54bee23f3705771a053.zip 1,083,479,491
6.1.1 17S449 16 N/A 1d179a0c73237327f193eb4d7ba5d9f55c355a93.zip 1,082,759,674
6.1.2 17S796 16 N/A 640a44adab8cabcf68a9925527c7c6f119e2a4da.zip 1,082,699,044
6.1.3 17S811 16 N/A 36408287f4c3b4d5a9131df4b3a38251d3658200.zip 1,082,704,778
6.2 17T529 16 N/A 372794e574e5e2f7b4f297941cb9dd4af9a89573.zip 1,072,537,612
6.2.1 17T530 16 N/A 68b8676ac49692605b44e07610fe49f5ff311950.zip 1,072,536,253
6.2.5 17T608 16 N/A a0cabd6f811334eb5d100b617ca49308209dae67.zip 1,072,653,535
6.2.6 17T620 16 N/A a9da7cb2659a56bfd119bcbe48f8db571e0e21a0.zip 1,072,653,599
6.2.8 17U63 16 N/A 5e67dcfeec2ff7b952e34fd3eed9e26e82f66694.zip 1,072,581,750
6.3 17U216 16 N/A e9abcad04befcb70a6e447c95abef7e711d79e52.zip 1,072,597,569
7.0 18R382 16 N/A 422bdad57d580deacd3c29d35014ecc4433cfd36.zip 711,018,876
7.0.1 18R395 16 N/A fd76074c615ffd2065125b08860b575136f94c3f.zip 711,015,401
7.0.2 18R402 16 N/A 408c5fcc3ae7c6c46c2ed6d310f021399c0e73e6.zip 711,016,982
7.0.3 18R410 16 N/A 956d02436789336d14426ea78f6ce8dc20571c55.zip 711,011,852
7.1 RC 18R589 16 N/A 43e86c9b0ed349038acb4f5c5de2a5cddf4fdfd4.zip 663,793,751
7.1 18R590 16 N/A 117044512e8d18ba7338a7f6236270abc2ce04a1.zip 663,788,219
7.2 18S563 16 N/A acb698a07a6198a5ecbff522b8a7cc439f2e5932.zip 644,834,095
7.3 18S801 16 N/A 46f9902dbdaadd518ed91141d4dc0d08ba89d213.zip 639,566,854
7.3.2 18S821 16 N/A 70177f26d305ee276a85912e8196bfc2cbe81534.zip 639,571,594
7.3.3 18S830 16 N/A 6dc342c0e1b60fa2a9efc458632837c461994ad5.zip 639,567,784

Apple Watch Series 4

Watch4,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A f569f412ab302e470314274eb74b485b4dcf6649.zip 584,011,745
7.3 beta 2 18S5793d 16 N/A 82abf411636efad63ec1c264740305c7c86f2fef.zip 583,069,530
7.4 beta 18T5144k 16 N/A 5632078310cb1ea32b429877a1c18c7b2f8ed2cb.zip 325,452,165
7.4 beta 2 18T5159f 16 N/A 52361ebed831a631c426476487db2b7621edd737.zip 237,859,461
7.4 beta 3 18T5169f 16 N/A 223b1334c89785a9be5fd23685db3fdb37559637.zip 191,808,640
7.4 beta 4 18T5183b 16 N/A 0c1727a23c9222f6ddb2dca2cf9eb0ebd02428b6.zip 158,824,355
7.4 beta 5 18T5190a 16 N/A e309e3a0e0400077d281e3ea66e474ba82ea1023.zip 153,788,327
7.4 beta 6 18T5193a 16 N/A bc0bf11c19f844483dedeea574eedbbe04f0bd95.zip 130,983,794
18T195 N/A 16 N/A 9cee0b0365759530448e979050447aa719a3dfc8.zip 1,787,119,746
5.3.6 16U662 16 N/A 12a8affdf5192ca3697b5e8d7e8ecb43d8a1902c.zip 1,292,830,956
5.3.7 16U674 16 N/A ce8f6484b90cab55de0a248f72a1b28ef9477fd9.zip 1,292,836,350
5.3.8 16U680 16 N/A e1f6629bc034d84bf2d66239eaa645c29ee17d43.zip 1,292,829,291
6.0 17R575 16 N/A 7eec9bc9dad11621d0373ef746e93a59bc0f54c0.zip 1,184,093,904
6.0.1 17R605 16 N/A a78542d8567ff3054855e2fdc08e0ff0eccaa9eb.zip 1,184,091,967
6.1 17S84 16 N/A 7097e33f076610fafc1d3c70ed8ede6dc5bf0dc1.zip 1,120,543,929
6.1.1 17S449 16 N/A 7b851d3298fa752ee95d26341378dd80203ea029.zip 1,119,760,027
6.1.2 17S796 16 N/A 3aeddf8f49bf8e15aa72c36bbd659ac674aa99e5.zip 1,119,711,740
6.1.3 17S811 16 N/A cd25d9a84ceede755d0a18102ceade381787d361.zip 1,119,710,309
6.2 17T529 16 N/A 6f23c64d8ed81dc0ff0aaced2b0c1e79eec62969.zip 1,109,851,149
6.2.1 17T530 16 N/A 2cde71a729af1fc3371d165be91a273c835d6e64.zip 1,109,851,021
6.2.5 17T608 16 N/A 2815f449e0400feb6e74dbb3db27c3b6bbf9ac75.zip 1,110,176,337
6.2.6 17T620 16 N/A cf1246094e86d553b5e4dc26b26593856dd1f47c.zip 1,110,175,483
6.2.8 17U63 16 N/A 6b7f4acfc154aac7cd18a23d8cb8411606c1de74.zip 1,110,134,090
6.3 17U216 16 N/A 8fac4a20cc93cbc976a9ddf629ed47044aa5364e.zip 1,110,116,651
7.0 18R382 16 N/A 3133e36e115dff79bfe61f3985f099083dc62c5c.zip 686,935,396
7.0.1 18R395 16 N/A 14e4eeab41f35aac405b0d7de649ca1d2bd45c88.zip 686,933,674
7.0.2 18R402 16 N/A 90d50c403b0a8067d5cbdf2252bef3365e4a0f20.zip 686,933,151
7.1 RC 18R589 16 N/A e2e366e64692f1b9e65bce3204d8a36a4fbfc590.zip 624,584,074
7.1 18R590 16 N/A 9b9dee334e0fe926555cf64679c470d7648a5810.zip 624,582,464
7.2 18S563 16 N/A 5f69d155ee5dd476a2e602eb06f900ade6f08462.zip 587,186,136
7.3 18S801 16 N/A 6df596da6538d02c30a0c0fef30fe4f4d74c5018.zip 581,465,778
7.3.2 18S821 16 N/A 5802cfb5428ca007423af7878edd582b6ae96f16.zip 581,458,372
7.3.3 18S830 16 N/A b18cc406d510100f8e27fdac75c7f737e863a36e.zip 581,467,329

Watch4,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 222ab2d2e05806f5bd5265fa7ab705f260b27c2b.zip 583,920,719
7.3 beta 2 18S5793d 16 N/A 4f2ad818373e9f08a56789b9300bb2fd9efe993a.zip 582,997,974
7.4 beta 18T5144k 16 N/A 47f0fe132beaed0c25429372fcfd7775b509c6b3.zip 325,542,148
7.4 beta 2 18T5159f 16 N/A 34a8d396248f1c507d3ceedc0dd3bdbb426014aa.zip 237,939,291
7.4 beta 3 18T5169f 16 N/A 38d8065912c6ed6394125ac471911fbe28590eed.zip 191,869,727
7.4 beta 4 18T5183b 16 N/A e3b198b915121d1e0aecaaaf44eda35223525009.zip 158,882,299
7.4 beta 5 18T5190a 16 N/A 99e91ddd9fda866b197778c3d514c7bd3cd5fdac.zip 153,861,118
7.4 beta 6 18T5193a 16 N/A e1ba0b2a4a05848a8e27b36504b543ceaf433f06.zip 131,045,995
18T195 N/A 16 N/A c1a192a71f82b1cef8952b8449915df30923b3fc.zip 1,762,152,967
5.3.6 16U662 16 N/A 8b707b5f6106539c5ff88b65ef2faa04570fce51.zip 1,301,079,994
5.3.7 16U674 16 N/A 1f76287fbfa26feaa1e0dba92d0565f9bff8429c.zip 1,301,083,257
5.3.8 16U680 16 N/A c7b0868d87bd9172b27de045874524501b04be8d.zip 1,301,078,334
6.0 17R575 16 N/A aa695c67908415f307836370710f14282948dcf2.zip 1,188,626,615
6.0.1 17R605 16 N/A 31bce9e2c842145d1d8784290db33104915255ea.zip 1,188,677,437
6.1 17S84 16 N/A acf65e1673166c70cf81a0cb032924e8a1fabbe0.zip 1,124,879,225
6.1.1 17S449 16 N/A 517aec31173dd96e953b6cb6504877440daf9fae.zip 1,125,039,702
6.1.2 17S796 16 N/A 2178d3d5915973256189567232b3e6aca0fa353d.zip 1,125,053,836
6.1.3 17S811 16 N/A 906a95ec69815ffa471dfb65f210ab43ede59b82.zip 1,125,051,211
6.2 17T529 16 N/A 21c4042f4dd1c07628329db47eb4a1a309add222.zip 1,113,338,149
6.2.1 17T530 16 N/A d1aeabfb7301617cded60f9df0a9c0e9e92ff580.zip 1,113,335,739
6.2.5 17T608 16 N/A 6bdea89fc7916e0f45818415f6d4ecb7d76338ec.zip 1,113,943,652
6.2.6 17T620 16 N/A 13c363e8b1d998dea2ec1e158cbd7ad6ee6a5b33.zip 1,113,943,603
6.2.8 17U63 16 N/A b5b570102514dbff1e6cf182699de9857ff3b698.zip 1,113,448,906
6.3 17U216 16 N/A 5a03292fd8bb58ccd6aba57f0696781602e0f688.zip 1,113,434,757
7.0 18R382 16 N/A 01ecfffa31f8e3afcfcfa0d4fecdf2d7e1dbb535.zip 686,462,170
7.0.1 18R395 16 N/A a9d2b0009ea083ba6d57699dad98a92bf711f2a7.zip 686,460,538
7.0.2 18R402 16 N/A 211a0af60cac8125897ce54620d85034b6df9cff.zip 686,458,559
7.1 RC 18R589 16 N/A 3ccc23732e4a48cef7188df190c64b9c95a6013e.zip 623,933,984
7.1 18R590 16 N/A 601f33cc8bb418ffd52efe7c2c4c2153f108da1a.zip 623,933,398
7.2 18S563 16 N/A baa8f39a154eb0f781c5a9241352ecc4d060ce9c.zip 587,114,087
7.3 18S801 16 N/A 34b0c1d15044f01d24785e1d2114f29047b653a3.zip 581,381,374
7.3.2 18S821 16 N/A e4736dc4691be993d918e375a5d5db8f9ea74275.zip 581,379,017
7.3.3 18S830 16 N/A bdc4a9616a97c91a86117feaa2b3ab41969be00f.zip 581,383,883

Watch4,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 828d78ec2f24f689549fae0086bb3a7ac455c2fa.zip 608,033,425
7.3 beta 2 18S5793d 16 N/A 8d063e8bc24211512e9d6063a5b9526af09e829d.zip 607,033,316
7.4 beta 18T5144k 16 N/A 63f6289efae4d081a7c63d96834961f5d2a832ac.zip 346,079,423
7.4 beta 2 18T5159f 16 N/A 53218371fb45fb059fad0c736ab60d315ab007b6.zip 257,980,181
7.4 beta 3 18T5169f 16 N/A 469b47b04fb00c7972b9dfbab4797312e457efbd.zip 201,091,701
7.4 beta 4 18T5183b 16 N/A e653fe05fc7a9bf752a167f13c53dae6a41ca9a8.zip 168,336,313
7.4 beta 5 18T5190a 16 N/A 7cd912a868ba5f53621387cf2c066e86c703b815.zip 163,186,340
7.4 beta 6 18T5193a 16 N/A f364fa33dbf9f00a735b7e18952bf655c3dc522b.zip 143,206,214
18T195 N/A 16 N/A 55b132ea82c4e9f90a302d56a6f3a96a04715aa3.zip 1,829,378,285
5.3.6 16U662 16 N/A 5f2dcf4d80b4ab57338dac7c1bea520dd287d609.zip 1,323,919,396
5.3.7 16U674 16 N/A 9d6c8230a0dd96478d4a99eb42684e071783f5a6.zip 1,323,925,382
5.3.8 16U680 16 N/A b188bb8cd083247676d291edfaf94b389ada5d7d.zip 1,323,918,809
6.0 17R575 16 N/A 923a449b587df42128f9d4406b9936c4189557ae.zip 1,215,335,555
6.0.1 17R605 16 N/A 13178c9694c5f077a15c467666f86083fcd74511.zip 1,215,323,082
6.1 17S84 16 N/A f6fe811d8fbc4bb49debdd83b560724dc8205f2a.zip 1,151,190,080
6.1.1 17S449 16 N/A a83f4b4ac2f532acb4743ebe49ef1cde7b9c77c6.zip 1,150,907,728
6.1.2 17S796 16 N/A 395337948292d20ff95e761b3d282eb892fa3f43.zip 1,150,628,454
6.1.3 17S811 16 N/A a65d6b0133a8097b3f1ff5e176578d03b4c4c4cc.zip 1,150,628,979
6.2 17T529 16 N/A 65262a05f5c6d16484c577732f6212617fbfad14.zip 1,137,242,651
6.2.1 17T530 16 N/A 0571287f5a4181b9c6a079afe00bd9c447a8d138.zip 1,137,242,701
6.2.5 17T608 16 N/A 266dc106f3daa2bd5e9478a4a2df6ca26320c9a7.zip 1,137,311,784
6.2.6 17T620 16 N/A 9ffd909ec27506adb894fe69e92187b168688673.zip 1,137,312,426
6.2.8 17U63 16 N/A 786041f7fe7e1aa6814f822f72e5aa96e7b522ec.zip 1,137,347,914
6.3 17U216 16 N/A b3c7ec51a710fd2aea261dce9c8c683c5280d1d5.zip 1,137,334,403
7.0 18R382 16 N/A 40726dc728522bf8889526ceed630a3f7e75de27.zip 711,282,441
7.0.1 18R395 16 N/A f050df4393194e88f512e19748bf14deb335eb68.zip 711,281,508
7.0.2 18R402 16 N/A 00da18989adb476c71ac3688b72b5123f1637a49.zip 711,281,735
7.1 RC 18R589 16 N/A 7e4a2eb3494f68cd8f7a0814afd1a6db105a7b80.zip 648,496,795
7.1 18R590 16 N/A 8d4b6db6a5d784fcf42c773a4800576edd987bbd.zip 648,493,467
7.2 18S563 16 N/A 61817a54cda0ab4ec0a94ecec7e7da870023f36f.zip 611,128,873
7.3 18S801 16 N/A 5aa70c0823253d437ec0a2a1f36b8d3b617143a6.zip 605,687,129
7.3.2 18S821 16 N/A d7c085933637bda1685670bffb43239973f0f530.zip 605,685,737
7.3.3 18S830 16 N/A 526543a38da1f0ee1d137366193dc7b2d0a7f008.zip 605,688,761

Watch4,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 075ef4e6bcc28613800695e405299ae35bfe072e.zip 607,978,465
7.3 beta 2 18S5793d 16 N/A e8b32fdd35a889525b4495ba98b4824c14060275.zip 606,940,695
7.4 beta 18T5144k 16 N/A 63db134ea90e5e7f1b4c7393b672d3ed68bf2fae.zip 346,151,942
7.4 beta 2 18T5159f 16 N/A 920e3e572164142c0c84351729fca9df6ef51353.zip 258,055,323
7.4 beta 3 18T5169f 16 N/A eda7527db3c9b7b28986b6e3e6d9e791c92af320.zip 201,151,280
7.4 beta 4 18T5183b 16 N/A 43b15acf52dbc91910fdc0020b774ed4cba65e86.zip 168,400,616
7.4 beta 5 18T5190a 16 N/A 7019d0c2e9ee809b86603d003a93de9d58fa8ab4.zip 163,254,192
7.4 beta 6 18T5193a 16 N/A 355800afdb443cd09bfa476065918431a794afee.zip 143,276,718
18T195 N/A 16 N/A 59785d6035599dda32ce971049e7691e602b01b5.zip 1,806,688,597
5.3.6 16U662 16 N/A dc4a5288053f6c1cd1b882f5c5e2a35d7e2b369e.zip 1,332,670,762
5.3.7 16U674 16 N/A cf7d6e95128711929ae2db0ac6251b2d0de3ea45.zip 1,332,673,838
5.3.8 16U680 16 N/A 20b3b0b2970745c7af6ec54abaf048c4ebe1c1e3.zip 1,332,667,528
6.0 17R575 16 N/A 2344ff8612ea2ff43fbded5ef8d6d75c027b29db.zip 1,219,784,588
6.0.1 17R605 16 N/A 8e21b7075202091a26d6816c2c75de57ac355ef7.zip 1,219,742,015
6.1 17S84 16 N/A 5b3a5d8745dc1f1d35a7f8e86f549262c253934b.zip 1,155,364,779
6.1.1 17S449 16 N/A 1894065ee18576012a04a60876ab9863794590eb.zip 1,155,881,743
6.1.2 17S796 16 N/A c69bfbfa5514a67972dbbfc6905424226a3cb68f.zip 1,155,611,024
6.1.3 17S811 16 N/A 5d348aff4ab7b8f96956aba78ea9a84f8d1caf40.zip 1,155,610,547
6.2 17T529 16 N/A 9471a719d80b5ffcab26dc7be712d2c46a48e4fa.zip 1,142,417,808
6.2.1 17T530 16 N/A 5a79cbb9075e9fcf605529ba579c33c01c9d15c0.zip 1,142,419,681
6.2.5 17T608 16 N/A ac1cdfb9a8fa2b35b5251a603a3569a4f852aa9d.zip 1,142,714,067
6.2.6 17T620 16 N/A 25cde78f572f536ad35fc7753c37585709716f53.zip 1,142,715,534
6.2.8 17U63 16 N/A 434c2270ad4fbdbe7d9f84ddaa398720fb0d7d8c.zip 1,142,602,705
6.3 17U216 16 N/A d0b37bd416c89614880c06a0e0393b0d904da8d3.zip 1,142,586,642
7.0 18R382 16 N/A f363681274f1ff3c85825c7c33eae4bd59aed29a.zip 710,801,215
7.0.1 18R395 16 N/A 8f36e88e6a1f1658a3ea7beed8e90e38698028fd.zip 710,798,972
7.0.2 18R402 16 N/A 116f22e6119455a4348b322769bd73022d378ce5.zip 710,798,554
7.1 RC 18R589 16 N/A fdd1193e85aecbf0ab78ae61e8dbc2ec7b2f566d.zip 647,834,215
7.1 18R590 16 N/A 750fd5afca696a59869fe27ef46b8c81f0303bf4.zip 647,831,724
7.2 18S563 16 N/A 3ed4254ea83ab4800aff9bacbfb1a29b2619c6f2.zip 611,055,177
7.3 18S801 16 N/A 643c9693102e17e615862b4340e5b666dff0404d.zip 605,617,905
7.3.2 18S821 16 N/A c0dbdfd2a6999a448b1b125d94f4b62f00525b2a.zip 605,622,499
7.3.3 18S830 16 N/A f47f0e15dd6f47ee5c60be3f15a2d0ed455e2cd4.zip 605,620,499

Apple Watch Series 5

Watch5,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A b29433bf516ab42dbc57e75308dcf5a12906577a.zip 584,586,452
7.3 beta 2 18S5793d 16 N/A c70f29bf46e896fad86b816215d0f903c5a29bec.zip 583,670,103
7.4 beta 18T5144k 16 N/A c58b917b767dd7642b4964a0203ca5ea0a21b459.zip 325,949,815
7.4 beta 2 18T5159f 16 N/A 30e65951a2e9b31df7bc83afef9d4a1336d8b8b8.zip 238,278,218
7.4 beta 3 18T5169f 16 N/A 08186a90281b453c9bce127208eb93a4eab23da0.zip 192,239,756
7.4 beta 4 18T5183b 16 N/A 88031712acf32113514c322fb6ddb646b656e1a7.zip 159,236,803
7.4 beta 5 18T5190a 16 N/A 8a10685f077edbdaa32a5c687cbbe98de078b6be.zip 154,209,615
7.4 beta 6 18T5193a 16 N/A 5e425feeaf72716c8297f70a36a0ee6658f5f5cb.zip 131,392,462
18T195 N/A 16 N/A aae7eda352bf4bffb0288dff817378360e1f0acc.zip 1,787,575,152
6.0 17R575 16 N/A 31a443988f723852936119d0798854e4401bd084.zip 1,185,304,249
6.1 17S84 16 N/A 5a9aec80782cdb4c8d497844725708113e3e9074.zip 1,121,716,341
6.1.1 17S449 16 N/A 61415a7343f738e8fabfc43f79fb237934c0b15d.zip 1,120,727,020
6.1.2 17S796 16 N/A 815adbdf43226f56ba5febf3d57efe60f61557a0.zip 1,120,421,411
6.1.3 17S811 16 N/A 9095c7a89941fa39a2e15a2e7caa403f4617615f.zip 1,120,417,969
6.2 17T529 16 N/A 3da9d143099ac1f0dadba1148623bc0283351e6d.zip 1,110,669,216
6.2.1 17T530 16 N/A dce5e1737a542429bdd5d3b8e37f87189e9aa657.zip 1,110,667,553
6.2.5 17T608 16 N/A 0df06d908b8afbad2195d3795ce9a1169bf6b380.zip 1,111,057,715
6.2.6 17T620 16 N/A ca1fb8654e7245f0def7d86a71c61d717950d553.zip 1,111,061,915
6.2.8 17U63 16 N/A 14041b553a0dddbed5ac8a8b3301d37abd6cf3a7.zip 1,111,026,214
6.3 17U216 16 N/A b6e04e10ff0a793469123734e9999b5495d58406.zip 1,111,011,796
7.0 18R382 16 N/A bfb9964622f9ffad500eee5d44ed3dc8cb18a921.zip 687,567,238
7.0.1 18R395 16 N/A 96650a09e196aa9310a5e91c055a717529709f72.zip 687,563,856
7.0.2 18R402 16 N/A 55b7c884951864d5dedc47650a03e2c4c76dd19e.zip 687,562,875
7.1 RC 18R589 16 N/A ca485c7347a5d6376a61fd2d9e1a071974b465c5.zip 625,174,385
7.1 18R590 16 N/A ae53ee3a3f3e57fa4e60915da6cf624018615bc7.zip 625,170,700
7.2 18S563 16 N/A 7ed6870dda24b278b83d7ac6bd2198800818e668.zip 587,780,661
7.3 18S801 16 N/A 95c38789d8097f33628bfd659e4d4e2cc564c61d.zip 582,051,544
7.3.1 18S811 16 N/A 04427672ef87e01614be3814d45ab35cfe113733.zip 582,046,143
7.3.2 18S821 16 N/A 9077fa8f43f2c82d94211557f106fad298bb2923.zip 582,044,775
7.3.3 18S830 16 N/A e07f0763c8ad1222ff6921f472f365b4967f5ead.zip 582,047,622

Watch5,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A ba930783fef43599eaa1771ccbf3d078bfba040b.zip 584,501,599
7.3 beta 2 18S5793d 16 N/A c399168b42124e840140db74d58ea257df721dc5.zip 583,584,976
7.4 beta 18T5144k 16 N/A 5cc4d06a4ec517d5e0d116d7ecb1341cad2767f6.zip 326,000,295
7.4 beta 2 18T5159f 16 N/A 183b06b95e76715f6c8844c21edf2e071b61e7da.zip 238,348,332
7.4 beta 3 18T5169f 16 N/A 459017c00aa37fc0e9e86f168045fff33aa03054.zip 192,296,444
7.4 beta 4 18T5183b 16 N/A 6a3670c74bac9a1117cab5f174b7bcec0e282eb4.zip 159,319,328
7.4 beta 5 18T5190a 16 N/A 4da5955eede4eb80d872a9af8b3e96acc36649c5.zip 154,276,339
7.4 beta 6 18T5193a 16 N/A 0efdfb2d1e41fa7ba2d25ef5f110a1efa3e1f6cf.zip 131,435,546
18T195 N/A 16 N/A 94cf1752a5858e7e6c8efc3a96ac365080107366.zip 1,763,126,883
6.0 17R575 16 N/A 22c2c8d7f3f5594e056213844964cd68b23ac34b.zip 1,189,758,138
6.1 17S84 16 N/A 6701861c3c792663ef5de61cfdc83ad3a4f47655.zip 1,125,791,932
6.1.1 17S449 16 N/A e53aa096c7144ca00c9960702ea1fbe20e25c5be.zip 1,126,579,035
6.1.2 17S796 16 N/A 1065241d6dee2a61bbdfee222003cd6708fe141d.zip 1,126,319,480
6.1.3 17S811 16 N/A 619c9958e9a45bc7261b43e930ddc8f8fa5ee3b3.zip 1,126,322,215
6.2 17T529 16 N/A bc0abb186c7f3b4360b09535340e713f68959bb3.zip 1,114,124,452
6.2.1 17T530 16 N/A ae9f413c88b096b7ddf928dd1ac7876a74f8ab71.zip 1,114,124,280
6.2.5 17T608 16 N/A cbaeed6734d9797560fb41d1bb9fe756304bf6c4.zip 1,114,854,327
6.2.6 17T620 16 N/A 30631a3de30f4f1d4e31d8847ee49e5d66dcc37f.zip 1,114,855,383
6.2.8 17U63 16 N/A 27cf39da101ee399e905b823c27abc23b337e299.zip 1,114,464,241
6.3 17U216 16 N/A 6ac994af234494e8866693e2f5d743cc48987f8a.zip 1,114,447,905
7.0 18R382 16 N/A 60b4c7a5fb36e5c10b61a8bd01d44696ae74c960.zip 687,127,540
7.0.1 18R395 16 N/A a56c1848266f63a77ce9d9d500bee43e2d263014.zip 687,125,330
7.0.2 18R402 16 N/A 31bb122ef8ee4f0c80e8b1221cd5d1d886d1ea62.zip 687,124,050
7.1 RC 18R589 16 N/A 9db113e7951129d11911ca466d0b38952cfcf225.zip 624,502,372
7.1 18R590 16 N/A 8488b8dc286add180b54e8c667de5b331bc187e2.zip 624,498,688
7.2 18S563 16 N/A 7a017e64777a333279c32c49cf4642eb7adb35ad.zip 587,686,600
7.3 18S801 16 N/A 2b4a349d3ffa19845233462dff8faa70c4846036.zip 581,961,339
7.3.1 18S811 16 N/A 011e2a776490517147315d7a0613ff1d72282e0f.zip 581,958,886
7.3.2 18S821 16 N/A a77b9f019608ca54e7956255f6205a0231ff8d68.zip 581,958,979
7.3.3 18S830 16 N/A 4313606d315190e319c2694ebc866c7cce2dc2a7.zip 581,962,714

Watch5,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A eb7c6438c41d17ee2ec581b4cfa9f77e16181e00.zip 608,622,521
7.3 beta 2 18S5793d 16 N/A 62063e60d5f5830af48b6cdcf60a5cd7abc7be56.zip 607,593,157
7.4 beta 18T5144k 16 N/A 9808ff44679ee08d98dee7886febe1e2ab5ac70c.zip 346,579,679
7.4 beta 2 18T5159f 16 N/A 7b4debd8e908c94e3a11004b6a00af2a8de57bc0.zip 258,433,632
7.4 beta 3 18T5169f 16 N/A d472fb561736c6348b932f2d169e2e53965c2319.zip 201,507,297
7.4 beta 4 18T5183b 16 N/A 9a27cb4b5f8025b3278d61a59f2cc12dedf9958f.zip 168,735,548
7.4 beta 5 18T5190a 16 N/A d28fa31a1340205530d9920b8506ae5a82703cd4.zip 163,591,998
7.4 beta 6 18T5193a 16 N/A 10148329a8e4de7a76e3ebbd6fb7ae63c6fe9a29.zip 143,627,368
18T195 N/A 16 N/A f358ece30472c658bcb302056bdd098f9d6e1a7e.zip 1,830,628,624
6.0 17R575 16 N/A 8c754794329c0dcc331585e0335591b1fd6bb2f0.zip 1,216,453,271
6.1 17S84 16 N/A 368cf5cc6aec252573f27fe0d821534762505372.zip 1,152,234,824
6.1.1 17S449 16 N/A e05a0e7e575a574422e86ae30a39b76b8b6989a1.zip 1,151,999,273
6.1.2 17S796 16 N/A d3f8cd301fa56f6997ffeb815f30c91fe9483bbb.zip 1,151,574,071
6.1.3 17S811 16 N/A cdef3fd3ad903efa44e4dbc309bfbe753068573e.zip 1,151,572,348
6.2 17T529 16 N/A fc381330c86cdc4509e1025b03981c286cb5a918.zip 1,138,110,348
6.2.1 17T530 16 N/A 2e4dced890cc3fb66ea30097e5426f54b2f7bfc0.zip 1,138,108,513
6.2.5 17T608 16 N/A 52f6b9fe3c3b2015b96e2ab10fbaa0f91e3f28da.zip 1,138,183,465
6.2.6 17T620 16 N/A 893107225f556087e413bc3e15b6ee96592b1dd1.zip 1,138,183,724
6.2.8 17U63 16 N/A 4a4d0a03c2a2e18a21f67651601e6a20b26c8fae.zip 1,138,213,064
6.3 17U216 16 N/A 520466804e85d6534247e76a775353165ea04b9b.zip 1,138,194,803
7.0 18R382 16 N/A 4aaf92e6f4bad4f6cc4cc17c2ca80d6e751fcf6e.zip 711,837,815
7.0.1 18R395 16 N/A c5efc765c7a61f1008ce53ab710ed03c233d7f46.zip 711,833,627
7.0.2 18R402 16 N/A 3a40adb4f0cb1dfa37611636932d0816172727f6.zip 711,835,470
7.1 RC 18R589 16 N/A c9bdf6b3d777c580a63ba4b03fb7003f8d3317fc.zip 649,059,288
7.1 18R590 16 N/A 9d7f9158a1096744e01946aec697aff34d32762d.zip 649,053,660
7.2 18S563 16 N/A aefc0dec4556265ff9f74e03e7374194a67ea6c1.zip 611,709,026
7.3 18S801 16 N/A 414cb399fff7c46a588b19107d671a4c3d473523.zip 606,276,141
7.3.1 18S811 16 N/A 628346245e4556b2592a61659bf59699555128e3.zip 606,266,325
7.3.2 18S821 16 N/A d075feae2ccbdf871cf8bc0ae4e3ec72bf904bd0.zip 606,271,188
7.3.3 18S830 16 N/A c6aaddeed8d3861f292b5a570db872988a6800fd.zip 606,272,175

Watch5,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A c7b47df42f40f144a378e6f0ef6f3ed6ba6f0a60.zip 608,553,801
7.3 beta 2 18S5793d 16 N/A 0614cc8b1f38f8e6dd21d13b8ee3075f32d5e7cf.zip 607,537,913
7.4 beta 18T5144k 16 N/A e40fb37771c5d2a6f52b00f44f6408ffe383c021.zip 346,636,285
7.4 beta 2 18T5159f 16 N/A ad79df80b33746276f5049df1a29df4467fca77a.zip 258,482,232
7.4 beta 3 18T5169f 16 N/A c0fa07fdfc806d3c4e78f14cfb0fe11513ab848c.zip 201,581,655
7.4 beta 4 18T5183b 16 N/A 7464f122a7032b8cafe1335e2fe2d8b95fc7ed5a.zip 168,806,533
7.4 beta 5 18T5190a 16 N/A 3df0dc05649d49de20c3adb639608e860a27620c.zip 163,673,283
7.4 beta 6 18T5193a 16 N/A 2095fee08e8a51705141b412fcb162fa3f556893.zip 143,683,880
18T195 N/A 16 N/A 4627e0af2507d5fe3d14d598d8c2ea25973e1e04.zip 1,807,710,571
6.0 17R575 16 N/A 80755e9c57f579d0b71d15fbf0412667bbbcaa2d.zip 1,220,727,146
6.1 17S84 16 N/A 719e4da4c3e6aa90da140eebd3571212795d6463.zip 1,156,508,652
6.1.1 17S449 16 N/A ff3e99c4eee139f08fdacb0356818a8515e318c8.zip 1,156,908,391
6.1.2 17S796 16 N/A a880069af23959c61be5b08011c360833a135e3f.zip 1,156,482,105
6.1.3 17S811 16 N/A 835df431038e6b6335e835ec54fd51b8eed9ad17.zip 1,156,482,074
6.2 17T529 16 N/A 0a0f03b472e5aba0b006a5831a0d6818f757c809.zip 1,143,340,011
6.2.1 17T530 16 N/A 198818a146cfe88e65b9c8d69752094ed5432e89.zip 1,143,340,701
6.2.5 17T608 16 N/A ef3790cfa78685b2cad0806ccdebfab23347cda3.zip 1,143,573,804
6.2.6 17T620 16 N/A 03423ac06fa6469f8b30ca9d82189a08f921fec8.zip 1,143,576,002
6.2.8 17U63 16 N/A 33d0f999fc0ba33b44e04ff7fa1c5fcd2434dca5.zip 1,143,471,778
6.3 17U216 16 N/A 58a2bd52ccef25955e5ab7014e42f5014fe37ee1.zip 1,143,461,435
7.0 18R382 16 N/A 6a08c212e2458f59f209d1787cb28e7f252c4097.zip 711,388,865
7.0.1 18R395 16 N/A c50bb9887b9a5d8d2530ee3ec1eab0ad1ccb412c.zip 711,389,227
7.0.2 18R402 16 N/A 54ef238d98e9a2635c43f63c8a7d5c714ae80c98.zip 711,386,246
7.1 RC 18R589 16 N/A d2f1c3075b7746082e94fd59b80e80105d96182c.zip 648,399,443
7.1 18R590 16 N/A 37bee3c87b7550743a94ab22a0e478d7f1b710b0.zip 648,395,271
7.2 18S563 16 N/A 1e5ae71e608e7c9ba82201c6f5c8c0188329195d.zip 611,631,657
7.3 18S801 16 N/A 28cf66e8e4cef5abfdace1d28f06ff67f29a603b.zip 606,189,572
7.3.1 18S811 16 N/A 89e158094bde4a0b97b46536ec373b8f3ca2ba46.zip 606,184,110
7.3.2 18S821 16 N/A 979c0b9b667dabef21a3c4153052112a79071a21.zip 606,183,906
7.3.3 18S830 16 N/A 34d29d3df8859d261b84cd654a9b0241b986967e.zip 606,196,170

Apple Watch SE

Watch5,9

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 8dbd3ca79f12f0fe4bf42d9d7a60aef908bf93c9.zip 584,609,094
7.3 beta 2 18S5793d 16 N/A d9e764ad979d7b6bfcf8b98d6038ca4ad98e19de.zip 583,629,036
7.4 beta 18T5144k 16 N/A da0d029d732f0f46dde5bcd3129d30e092373961.zip 325,909,009
7.4 beta 2 18T5159f 16 N/A 36e9d118a894a3444a9dbf184291068f300c1e54.zip 238,248,847
7.4 beta 3 18T5169f 16 N/A 1c50dbe189fd9db3e8feded9f967c980419655aa.zip 192,216,575
7.4 beta 4 18T5183b 16 N/A 5f042c1e2b2fafb5511af718044f417d5a4cb9ee.zip 159,216,713
7.4 beta 5 18T5190a 16 N/A 9959eb04d67efe2074e08017b4ef97b258318fbe.zip 154,181,789
7.4 beta 6 18T5193a 16 N/A ac6388ef1066a4a2c49b3cab3fe134ed2b7c1af4.zip 131,370,836
18T195 N/A 16 N/A 45c806ebc7c6318d553b8069452913273e20c2b0.zip 1,787,562,718
7.0 18R382 16 N/A 2c639cc317fe9b4340ba9c257b0f1b7bef5c07ee.zip 687,600,903
7.0.1 18R395 16 N/A d57926792dd5208f950a8149131eb1ecc1e05501.zip 687,601,096
7.0.2 18R402 16 N/A 638af8b1fc652fbd57a9d8fe30819e76d5b5e3eb.zip 687,603,260
7.1 RC 18R589 16 N/A fba419611e9c13bd310e374ec6f5a6f0c6696757.zip 625,210,171
7.1 18R590 16 N/A d21edd3004f0bb38e7d6c46d6496bc2a868409a2.zip 625,204,441
7.2 18S563 16 N/A db27367063fa7968f5866be8ca5723b4716ee479.zip 587,779,332
7.3 18S801 16 N/A 3f3cd93e2f581205b74116ccc26dad2fbb331333.zip 582,030,423
7.3.1 18S811 16 N/A f935c2fe2c91db6e54ac0cd285d0c4df3511594c.zip 582,021,427
7.3.2 18S821 16 N/A 6af11224bcfd70c0bc38f7f38d52b5e0d261ee39.zip 582,022,065
7.3.3 18S830 16 N/A 5bad7af43a95cf1317343e0fa2d6958746288f98.zip 582,027,086

Watch5,10

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 636a98ee99214e832e89e92e73d6fd6efa91461f.zip 584,516,966
7.3 beta 2 18S5793d 16 N/A b6d88218232c592d88f1479721efc8085de804d2.zip 583,539,627
7.4 beta 18T5144k 16 N/A c167b1eeec7d56a028f6017b4a7b09be9d630a81.zip 325,997,200
7.4 beta 2 18T5159f 16 N/A ea53b5668ec983516641218dccac4e1b4f3b9c1b.zip 238,312,956
7.4 beta 3 18T5169f 16 N/A 13a620bc5acf834239b63e0c52ae94b2c09708fd.zip 192,267,099
7.4 beta 4 18T5183b 16 N/A ed60c7797c3e50f1172448706ed5f9a7f2380beb.zip 159,276,827
7.4 beta 5 18T5190a 16 N/A 6b26a2c3d6f5552340507a1e11165261cb078c22.zip 154,255,629
7.4 beta 6 18T5193a 16 N/A 4183e15ceb13d9e0439cad02660e34926057276d.zip 131,430,684
18T195 N/A 16 N/A 227b9fd1cba66101a103c26c391980a5c2436e71.zip 1,763,095,850
7.0 18R382 16 N/A dabdec33e857c715755cd68da2788fb5d66f6aa9.zip 687,164,249
7.0.1 18R395 16 N/A 59423bf379250f0ff344034ee5a36f860cec747c.zip 687,164,990
7.0.2 18R402 16 N/A cdbaaea77ab930a0294acd8f3cda62b8a1bb0616.zip 687,163,843
7.1 RC 18R589 16 N/A a1a7551640bf3b6ba32f8fe3fc2c11cc27d415d4.zip 624,509,980
7.1 18R590 16 N/A f796a44acf98b0b4480fab6cb648b3cec0b3bcf6.zip 624,510,037
7.2 18S563 16 N/A 11fd4a9cb35ac0dccc3a724400f3db3ab958604a.zip 587,761,112
7.3 18S801 16 N/A bf53d0c3a0d16269b3ce564d505d3b1b5fe81f18.zip 581,963,962
7.3.1 18S811 16 N/A ddbe686a5d823fbbeb3e4208c007137a13c5af14.zip 581,955,813
7.3.2 18S821 16 N/A a2bc64d26d46b9fdf13ea31b99fd342470ace676.zip 581,954,553
7.3.3 18S830 16 N/A a0839930199838cbdc51a21171db9128222c55e0.zip 581,956,804

Watch5,11

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A c8a4ca4fd91ab53d5f1856039b6e8a654a4edce3.zip 607,986,609
7.3 beta 2 18S5793d 16 N/A 10986383df0d416fb33ed908b3d6e03f59cdca48.zip 606,910,796
7.4 beta 18T5144k 16 N/A d1523697408b529ecc3785ec7b9f30e3e5896aa8.zip 345,908,431
7.4 beta 2 18T5159f 16 N/A d4d56a031cf7e66e32c94b6000ba3a0ef01cfe6b.zip 257,747,668
7.4 beta 3 18T5169f 16 N/A 27c4d2f63a7012a4d595e9582e9df1172b9b3b28.zip 200,859,225
7.4 beta 4 18T5183b 16 N/A 6610a964818eed1417b295652754245f6e89a77a.zip 168,079,034
7.4 beta 5 18T5190a 16 N/A 3740ed8d73ab53604096a1e5ae27c5d699ce2ad0.zip 162,935,168
7.4 beta 6 18T5193a 16 N/A 23e40e04be14cedc7007f5e1cc603cc58e872ec3.zip 142,958,539
18T195 N/A 16 N/A 83100c05b6be578c25439cac12a40c1758c4e7ec.zip 1,829,692,635
7.0 18R382 16 N/A c46677fa338c3b9c2a97dca36e023585ac69e02c.zip 711,276,446
7.0.1 18R395 16 N/A c8477638d7a454fd748cdc15e99769f3379d2690.zip 711,273,163
7.0.2 18R402 16 N/A 3ff01dcdc40e5c1d8f040688212d50e2740f05eb.zip 711,273,035
7.1 RC 18R589 16 N/A 2470419d7d7e9a2e5cb783210943697767124a35.zip 648,441,691
7.1 18R590 16 N/A 4541e54549c5eac7f8166d8e5efeb7dc8091ea9b.zip 648,447,569
7.2 18S563 16 N/A de422e3ad7721b8ebe8defe084186e7640fdeedf.zip 611,107,556
7.3 18S801 16 N/A fbdfa57ce5cebe1f6d013ed28db312945cfec362.zip 605,588,305
7.3.1 18S811 16 N/A 49cffdfe451059b7c0ea53b7ac53289d6066363f.zip 605,580,726
7.3.2 18S821 16 N/A 14f01bfbdd75b64b8916543e4690871e5fff76a9.zip 605,582,411
7.3.3 18S830 16 N/A c0715a30f13fd47a7e0bca6983d58101bea5fd60.zip 605,591,065

Watch5,12

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 8607b58c307f9bcfab8b5f6b2289200409fc9dc0.zip 607,900,741
7.3 beta 2 18S5793d 16 N/A 548758677aef7f49e2755c33f44ac9e496f7384f.zip 606,840,114
7.4 beta 18T5144k 16 N/A 412e49d44734f5eb2ab6f69dac6ae58dc0826302.zip 345,964,515
7.4 beta 2 18T5159f 16 N/A 0054e7fddc358250ad5410be2784e2b8ef98f638.zip 257,812,694
7.4 beta 3 18T5169f 16 N/A ab1c5ffa91bd03a509f8695fd039a314579594cd.zip 200,933,786
7.4 beta 4 18T5183b 16 N/A cf670ed24a1aa547c2e5457cd18053f97bd9263b.zip 168,152,687
7.4 beta 5 18T5190a 16 N/A beb5108a8c5a71210fc931f42a38522ffae91b92.zip 162,992,040
7.4 beta 6 18T5193a 16 N/A d66a3fe0a374ae289c6ef919a770d9ef3b137963.zip 143,025,496
18T195 N/A 16 N/A 201f8bd3075f988ab8d7fbde044d1eb49622eeba.zip 1,806,934,413
7.0 18R382 16 N/A e1d27852712d0d9f839afe9ccf20aaa2c10279b7.zip 710,812,432
7.0.1 18R395 16 N/A 63dbc0d8f7c46645433946449a8c930420eb429b.zip 710,809,475
7.0.2 18R402 16 N/A 689b31092012bd39f779c5acbb1f9fbccbba9771.zip 710,809,352
7.1 RC 18R589 16 N/A 5a7cac8a5df72cc6cca63b4ddc7fcead86dbf067.zip 647,788,163
7.1 18R590 16 N/A adb1e1d3ad560f59ae5ce7eea8dbe84129fac040.zip 647,790,227
7.2 18S563 16 N/A 06d986a2b52089512db6e6ca8d888b8ae16e6412.zip 611,030,609
7.3 18S801 16 N/A 7235be639117b985a2f8cb53a0f3baa63fbc2588.zip 605,508,840
7.3.1 18S811 16 N/A 53421f2c4e7c4a7bee979b1b94805e55992d59a4.zip 605,504,179
7.3.2 18S821 16 N/A 27fcd260714f84140ef97f53007b998651141125.zip 605,505,437
7.3.3 18S830 16 N/A 54e6d0ed19aad8e485dcec43cf42f0d618d4a496.zip 605,507,706

Apple Watch Series 6

Watch6,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 762bd6a01440b27a651fd63bc9ff8100afcae406.zip 572,905,596
7.3 beta 2 18S5793d 16 N/A e8c70a81d4285628fcbac7069278bb65ea446b32.zip 571,923,721
7.4 beta 18T5144k 16 N/A a36400b05b4e7c8d633140822511481cf81df53c.zip 314,063,220
7.4 beta 2 18T5159f 16 N/A 3c9f3f32bec1a339a7d1953ba97f4b4b6571a854.zip 226,378,351
7.4 beta 3 18T5169f 16 N/A c9adf5315e4de2c898ec65dc8b3ffc20d2daa188.zip 180,328,982
7.4 beta 4 18T5183b 16 N/A 55eec26371da7640d74fa084c928db15daac9f96.zip 147,322,727
7.4 beta 5 18T5190a 16 N/A 009c4d8dd13baed3288209227b58d6ccff603acf.zip 142,293,247
7.4 beta 6 18T5193a 16 N/A 515abe350d95fd8cb4fee48615b05998462eba4a.zip 119,485,967
18T195 N/A 16 N/A 265abcaea6e128379606eeaac3a7751f475f6332.zip 1,776,273,781
7.0 18R382 16 N/A dcf646e2fd06498d1bdfd5d25ccdb44432a7f4ba.zip 676,063,282
7.0.1 18R395 16 N/A 9184fd2931405ac7f48719bda87c2626167dc288.zip 676,061,720
7.0.2 18R402 16 N/A 17a6c639450cd6ecd9498a4f3c6a1e5e7cf316ab.zip 676,063,686
7.1 RC 18R589 16 N/A 4413675bf54e568010a9c20356e4bdf8b90dc39e.zip 613,503,965
7.1 18R590 16 N/A 81dbeee8f5ea8b9e722dc9d1de7bacea30898d2b.zip 613,503,492
7.2 RC 18S563 16 N/A c7305b8068dcaf142a17456d3e506f3eb12311dd.zip 576,102,464
7.2 18S564 16 N/A 400729efb83320423c84026b9a48ac375f32daae.zip 576,103,968
7.3 18S801 16 N/A 057a4c12a538ea7e566bcd0d756c66b2b3f970b2.zip 570,310,129
7.3.2 18S821 16 N/A c29d42228bbb58967e983643c88c2d91b27efbc6.zip 570,306,870
7.3.3 18S830 16 N/A 31b42714c93051921a7ac1183c774de54c4d2305.zip 570,313,494

Watch6,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 6be74a7bfd3f470916e86ea9cdea153432af0027.zip 572,802,528
7.3 beta 2 18S5793d 16 N/A ab6952dd6450804b2022fe1fe5228ac407040e6a.zip 571,832,791
7.4 beta 18T5144k 16 N/A f6bd9ffdbd5c7ca911bd8ff5c86fb03257a91ed8.zip 314,114,287
7.4 beta 2 18T5159f 16 N/A faa0a681a7bc709cb4259a3eeb1c403267a3c836.zip 226,451,756
7.4 beta 3 18T5169f 16 N/A f2ed2d0d32239a32c3399d334067a36c3fb59888.zip 180,378,931
7.4 beta 4 18T5183b 16 N/A 501e5cbb3cc4597321409c7eb6d51adb7d3448a2.zip 147,392,233
7.4 beta 5 18T5190a 16 N/A bb18c9e30c6eeff732f63d68ae08b52ff946716e.zip 142,375,032
7.4 beta 6 18T5193a 16 N/A f6ff7fccd7cb0835272137e366dc1d57e71bd44e.zip 119,566,457
18T195 N/A 16 N/A 20f88e499ac5a18e19c7678a05137e2dec363944.zip 1,751,678,680
7.0 18R382 16 N/A a7d72bf06a8fbb1d84245def202a4f264d034f58.zip 675,617,021
7.0.1 18R395 16 N/A 54db7b8c446a077b1cbb949099744a62d98c7a7d.zip 675,616,768
7.0.2 18R402 16 N/A c40d0eeead83cb8adf225309df052c7cf1094b14.zip 675,614,336
7.1 RC 18R589 16 N/A 89d40f34499656364186908f0727df899c22a275.zip 612,831,454
7.1 18R590 16 N/A c3dee86804585eb419f0afdc1f3c70eec9b38235.zip 612,828,639
7.2 RC 18S563 16 N/A f58f1ce26fb3da7b45b691284d73918818c11b9f.zip 576,093,355
7.2 18S564 16 N/A 9615251088dec1e7a5ce84c31bed8352d8edb410.zip 576,094,505
7.3 18S801 16 N/A 51639b7dd7cb21c7603991fb47ae7bfd5935a678.zip 570,230,276
7.3.2 18S821 16 N/A be0653197f113a4722633a6f9599a8cd5ca9c90c.zip 570,219,291
7.3.3 18S830 16 N/A f60a60f63d953850e3198541d90d9317a7a742ed.zip 570,223,277

Watch6,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 8ba051d078a95fe62f38160b3b7cd339500405c4.zip 596,285,476
7.3 beta 2 18S5793d 16 N/A 0bca0e410cf1d809daac2a60f006939121fb8d3b.zip 595,209,537
7.4 beta 18T5144k 16 N/A 4691d07a83efa0ceee2d5c8240f05ac813cc47ba.zip 333,746,010
7.4 beta 2 18T5159f 16 N/A fdffd3a88ea729465b36feb321c825f8a9535251.zip 245,867,548
7.4 beta 3 18T5169f 16 N/A 610f96a93d0b026aa6d045f8419a6eb02e8d8931.zip 188,969,076
7.4 beta 4 18T5183b 16 N/A 7b11554c6586e2651cbb6b09299566c9030c5603.zip 156,169,389
7.4 beta 5 18T5190a 16 N/A a78a76426be68ec3c391f5a3ea1a1e472aaaa051.zip 151,043,790
7.4 beta 6 18T5193a 16 N/A 7e5fe163c0d19bb3cadd739d2fa4b5f2df898d7e.zip 131,062,337
18T195 N/A 16 N/A 23d5efff90793c719e7ef354854ab6a96500bfb0.zip 1,818,684,201
7.0 18R382 16 N/A cac4516c09ad3a9ba5dc529e972f51af915c0929.zip 699,660,275
7.0.1 18R395 16 N/A 7698308d98c547f43878f5fa8a1abb0fb735a88f.zip 699,662,688
7.0.2 18R402 16 N/A c0d0d93baa877909f1008fce68324680d698fae6.zip 699,660,028
7.1 RC 18R589 16 N/A b9dd4dc642e5f58724f3708c636b5e485560bb2a.zip 636,766,857
7.1 18R590 16 N/A e76270cc3d41d2b6d201163881863f462e025ceb.zip 636,767,598
7.2 RC 18S563 16 N/A 91c6464b5c0d5e429f1bf851d43ed5da41e009c0.zip 599,406,066
7.2 18S564 16 N/A ae4aeaa794534356a4c7675fd6ee100894ce17a0.zip 599,401,574
7.3 18S801 16 N/A 305799f2d9e48bf768310d3fb44747cd5acaa6cb.zip 593,878,106
7.3.2 18S821 16 N/A 8fd10a0dff2d9ed7cea77c76407288d67991d13c.zip 593,873,877
7.3.3 18S830 16 N/A 306789e83c6a06e38a294748095bbd7efcd07529.zip 593,873,576

Watch6,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4 18T195[1] 7.3 beta 18S5780d 16 26 April 2021 N/A 3720121434fbc953c5d56fd3949c44408f238b35.zip 596,199,049
7.3 beta 2 18S5793d 16 N/A 1f3b89cdd1dac7b9ca57f17b37e41bdfd1356fc0.zip 595,127,533
7.4 beta 18T5144k 16 N/A 64967f5116fb4a547b4d7e78eb375b3ec2e2ba54.zip 333,797,168
7.4 beta 2 18T5159f 16 N/A 6aefe9a5b3df3fe3a9c394c665d239de9e923a59.zip 245,927,526
7.4 beta 3 18T5169f 16 N/A d0a7d5bcd42b7e8f4217526796b41750ad234855.zip 189,034,765
7.4 beta 4 18T5183b 16 N/A 98fbda581709eb8223c591a6770dd83db5aa6565.zip 156,243,331
7.4 beta 5 18T5190a 16 N/A 8374d694879bc25e551ed9505f86ab2e41248634.zip 151,113,333
7.4 beta 6 18T5193a 16 N/A c46b3ccd483117e249aa73ce81e10361f5259c11.zip 131,117,464
18T195 N/A 16 N/A fa1bb717cffebb474206e72ff4114185126b4a6c.zip 1,795,310,558
7.0 18R382 16 N/A 6b3828c1eb8a31107b84ffaabd1e469213d7ebd1.zip 699,257,207
7.0.1 18R395 16 N/A 6d9ad165234425bd9ba627fefee9d5d57510fe90.zip 699,256,233
7.0.2 18R402 16 N/A 38ae0ab8a09c9d54ae0e2c39a85305f790888c0f.zip 699,253,723
7.1 RC 18R589 16 N/A a0f8aba9a7b85fed5f4cae0e39429b6c4ff3a6ac.zip 636,096,621
7.1 18R590 16 N/A 37cffda3e5b8cd6e8e9fcc5936e16ee3d5f4bcfc.zip 636,095,371
7.2 RC 18S563 16 N/A 0c1f159fde462450886f47aa4cf4e717b07cca55.zip 599,328,067
7.2 18S564 16 N/A 054b4df2c7e52a652a746cef473ef88fa2bfea25.zip 599,330,172
7.3 18S801 16 N/A 80614da071c71b8c5e9c17c818662baff9f912e5.zip 593,797,697
7.3.2 18S821 16 N/A a290c96c0fb15b50f0473073d951aa272ada997b.zip 593,795,000
7.3.3 18S830 16 N/A 49d2ac9367b9aab88315100957b83db5ae511087.zip 593,797,124

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. 18T195 was listed as 18T6195.)
    The listings on this page use the build number displayed on the device.
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