OTA Updates/Apple Watch/4.2

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Apple Watch (1st generation)

Watch1,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A 4fa373d04fece2fcacf187046ba59d5402657ff2.zip 72,254,716
4.2 beta 2 15S5090c 9 N/A bfb822c2869ecada847eef7e23772eca625e4186.zip 58,167,764
4.2 beta 3 15S5100a 9 N/A d45c05da5b39eab6074d5984c1eb010e4c7a76cd.zip 43,496,169
4.2 beta 4 15S5102b 9 N/A 73f0ee1aad5bdb2dcc9f3aad76ab78b078e0846e.zip 43,430,453
15S102 N/A 9 N/A 4976b6ab8c808397a226257fcba08322cd168597.zip 1,146,905,224
8.2 12S507 9 N/A 31848d0afa5846284f8dd7ea7072efbd4334acca.zip 1,028,522,131
8.2.1 12S632 9 N/A ae92cb4697e51bef10ad29b8d9f25eba2f9c073a.zip 1,017,632,885
2.0 13S344 9 N/A 1d8ebcd083c382ab94bd0d62f9039e915c3bea31.zip 815,413,980
2.0.1 13S428 9 N/A 44ed83217c4264714a9ec3542637b23a33255e4e.zip 815,385,744
2.1 13S661 9 N/A 4b7d6cbfac2154b62655574dd5548c5ac8e8f0c9.zip 815,818,690
2.2 13V144 9 N/A f0a9d292cf977ee3f00d5333b3c5d8e518c202da.zip 814,584,628
2.2.1 13V420 9 N/A aa2a136caa6f1513c4c3698b955494ef755e255b.zip 814,459,118
2.2.2 13V604 9 N/A 304c69d347e6b2e57482f8961b88399f9a6ee953.zip 814,468,289
3.0 14S326 9 N/A ed7b9c22fe3c8ce9e41498eff3737bc595e79e72.zip 614,856,586
3.1 14S471 9 N/A 38fd9975cbcced398c905096e148a72dc0e4b265.zip 613,732,428
14S500 9 N/A c9d7104704f8d39242deadd4450b7cbc8ea9981b.zip 613,731,960
3.1.1 14S883 9 N/A c7bbcf5ecea346a1917979d12edd1f91ec59cd21.zip 612,015,064
3.1.3 14S960 9 N/A 3ffb2fb88915f631d50968be56207f41686f9362.zip 612,013,170
3.2 14V249 9 N/A a05b9acd5194abe327829dacb39555d9688e04d4.zip 567,251,240
3.2.2 14V485 9 N/A 2d70b2f72bdb63b6e4fc1854f59c2c807826c7eb.zip 567,135,125
3.2.3 14V753 9 N/A e073ac3159bb495baa20cb9172820153a363fe44.zip 567,071,620
4.0 beta 15R5281f 9 N/A e7ad82666f870b075d2fa562fb8ba6abb90676f9.zip 342,368,306
4.0 beta 2 15R5307f 9 N/A d49bc2e4e2c9e63ac46e2c3acf495033969d61e0.zip 297,425,476
4.0 beta 3 15R5321h 9 N/A 2de839f014cea2c5541548afb6b76e4d53a33c33.zip 270,743,914
4.0 beta 4 15R5331g 9 N/A bfde529a6cc2d125db37ef1bef6a7aabbde64192.zip 232,206,410
4.0 beta 5 15R5345g 9 N/A befca603a69b4564a8a38779753085fdea4111a0.zip 196,361,627
4.0 beta 6 15R5357b 9 N/A 7a979dcfeca8cb127a12ea0363ef167efe2f194f.zip 184,348,857
4.0 beta 7 15R5365a 9 N/A 097e282097b2627cfa2dc7abe3d91ff9b72606b5.zip 183,815,485
4.0 beta 8 15R5371a 9 N/A 2cdd2682fe2353077b0330534a94a2da6b28bdb5.zip 183,696,804
4.0 15R372 9 N/A 847a532c7c95aafc8b6a415323af530e6a4f04c7.zip 175,615,112
4.1 beta 15R5823c 9 N/A c2f92281d5f641f27c64d61eef61488216ce5342.zip 154,728,954
4.1 beta 2 15R5835d 9 N/A ce632f2003a1ff78d12f271ced6b62f208e6b789.zip 139,646,316
4.1 beta 3 15R5843a 9 N/A bdd0b8615bfd3a5ce9d35bc4ff52d2a7aecd7f5e.zip 138,608,964
4.1 15R846 9 N/A 486936a9252421177804256ea7a8413984321657.zip 137,730,578

Watch1,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A 27aee59a10c7d1a0747198e24e089ff9ce1043f5.zip 72,267,811
4.2 beta 2 15S5090c 9 N/A 79da3ac14f2d785bf475bcf45e6a2f9dddccf030.zip 58,185,822
4.2 beta 3 15S5100a 9 N/A ee81db15a6fd995520f81df1b161a60a6d1eeb8a.zip 43,511,568
4.2 beta 4 15S5102b 9 N/A 492d30d5509fa8ceeb2a7ed80621dfb459841929.zip 43,440,529
15S102 N/A 9 N/A 8de42cc4e554376e623da175c3e203c98989740d.zip 1,162,084,121
8.2 12S507 9 N/A 80c8b3b9cd42de2c4220869cb6bf3cb41d9ddd32.zip 1,038,795,553
8.2.1 12S632 9 N/A 2305eb1f4c1c028c37f59fb01d890b8099964ec8.zip 1,029,645,031
2.0 13S344 9 N/A 9b1135fa75ae541808695ba6f87c27f4170733de.zip 831,126,643
2.0.1 13S428 9 N/A de56bc095a23fcab859fa519ac7d7ff62ed4ac67.zip 831,096,071
2.1 13S661 9 N/A 9cea1343063001857ba46d33252ca5e971ad6cb2.zip 831,429,139
2.2 13V144 9 N/A 64cf36cfcd4374fa870aaa60b6e3d397e661c43b.zip 829,134,598
2.2.1 13V420 9 N/A 3e4cf731a8bb1f0ab3c490d890729f9d8bfde3ba.zip 829,122,390
2.2.2 13V604 9 N/A a42a8d8e4532b8fc038501c51eae32ed64cd2fb2.zip 829,127,200
3.0 14S326 9 N/A 791d787ffce886f0931361bcf65570b76b445893.zip 625,261,458
3.1 14S471 9 N/A 190b078055bcf57378c6a63ddf88855ed57261b3.zip 624,191,674
14S500 9 N/A 5db1f41a062cd98b35d95487402d77ce700a5efa.zip 624,191,566
3.1.1 14S883 9 N/A 53dd2b03cc774cb8e67e80822bfb14e312fa0bc0.zip 625,087,226
3.1.3 14S960 9 N/A ab9dcbe58bc1fc28a20e91ed5306743396cc5583.zip 625,084,340
3.2 14V249 9 N/A 343d7e905340a1fa508564ffb6b35eab962dc235.zip 581,920,613
3.2.2 14V485 9 N/A b91656aa290f69af93fbe107f0ba27f28685010a.zip 581,779,273
3.2.3 14V753 9 N/A 7415486c5b6f4342dd2732c277a40a215dc038a5.zip 581,719,801
4.0 beta 15R5281f 9 N/A 709fad2b579d925b9c05028d203bf6e67c926694.zip 342,556,975
4.0 beta 2 15R5307f 9 N/A 94ec0e20bf9c1c6445307ef3d562363fb6ca3e44.zip 297,686,537
4.0 beta 3 15R5321h 9 N/A e92ddce59246100200e99efc72f3fcdafd93ea8d.zip 270,915,100
4.0 beta 4 15R5331g 9 N/A bd033d8385eb6977dd216d8ab9866a9a17d75619.zip 232,417,637
4.0 beta 5 15R5345g 9 N/A e0e1912257626a8f45f6e5a58c48207549f6834f.zip 196,456,263
4.0 beta 6 15R5357b 9 N/A d74e19607d68cb9ed5f0d0f6be90b52a63e54559.zip 184,441,175
4.0 beta 7 15R5365a 9 N/A d9488b414360f18a8b4970ea53093a78078a3121.zip 183,853,952
4.0 beta 8 15R5371a 9 N/A fceb85e32af1c0f10a678712fa44875bdb848a21.zip 183,716,028
4.0 15R372 9 N/A e544042803114ebf4a0e8a13ce1bf8e5fbdcc1b2.zip 175,655,902
4.1 beta 15R5823c 9 N/A 999091af5584f1e81232d7a23f1566355c0ec2f6.zip 154,762,131
4.1 beta 2 15R5835d 9 N/A db12622aec60bbba9fb15a46707f6d1194ea05f8.zip 139,669,614
4.1 beta 3 15R5843a 9 N/A 7ba4bfc427205a37403d46d7df8773c848feb505.zip 138,619,019
4.1 15R846 9 N/A 70687250626e19218f37ff5768dacf5bf4cc7d80.zip 137,757,769

Apple Watch Series 1

Watch2,6

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A 7fbb633b4215f14442256074672080934cfb04b8.zip 78,520,839
4.2 beta 2 15S5090c 9 N/A e381d6c25cac226b2398d3b2bafa3739fcd321f2.zip 64,107,937
4.2 beta 3 15S5100a 9 N/A 424d6b91c29a782c7d57a6a6181cc1f8188b91b1.zip 49,029,688
4.2 beta 4 15S5102b 9 N/A e5e1805134f849b7b685c58faf5cb8462c116312.zip 48,981,410
15S102 N/A 9 N/A 0e09459827ccb01362d929c19095fd511946774d.zip 1,163,365,675
3.0 14S326 9 N/A b093da7d2bde55ee1fe7f21824ce2aac651ab27c.zip 631,300,675
3.1 14S471 9 N/A aa0b9cddd9d7dd8f3ba654c2eec47ffad349e427.zip 628,123,065
14S500 9 N/A e82574bb3c9aaab36030b00490315274793ea93f.zip 628,123,159
3.1.1 14S883 9 N/A f8b4cd435f640d616fc8a74a26ea2a1034c81a47.zip 630,084,981
3.1.3 14S960 9 N/A 00f42da518d2bdf12bb8b6255e174ac0b0fe4404.zip 630,082,095
3.2 14V249 9 N/A 0d5a9d24b0980059916d26f8b61f5d2a574606d5.zip 585,172,794
3.2.2 14V485 9 N/A 918689d5bc9cc55d94a583572caa6b9e336c5939.zip 584,994,617
3.2.3 14V753 9 N/A bece64a0a0a0515f70e2c183038d4b803e954afc.zip 584,929,116
4.0 beta 15R5281f 9 N/A 209de93641526de8eaef9132c936c76b7c225ee9.zip 358,445,663
4.0 beta 2 15R5307f 9 N/A 001d3deedc8237ef958ef5936c3a9f91698ac1da.zip 308,568,617
4.0 beta 3 15R5321h 9 N/A b64b0a5358a46c53229e418a9226a4214d56d8ca.zip 285,925,380
4.0 beta 4 15R5331g 9 N/A bc9438dfe50bbe25d3a6dc5ce1e02e2d4fadac59.zip 246,231,646
4.0 beta 5 15R5345g 9 N/A 11d8226602f6a2ec664b54480caf7e0d17ef0319.zip 209,381,269
4.0 beta 6 15R5357b 9 N/A a600507adb678bc866b28b679a8e17df69083eb8.zip 197,705,067
4.0 beta 7 15R5365a 9 N/A 88cce6d0b1442dcb267005ea55135a422ffffd01.zip 197,086,844
4.0 beta 8 15R5371a 9 N/A ad6fe872d8d51cb0a75ef212fc5ee761f3f14601.zip 196,775,151
4.0 15R372 9 N/A e6c998e1a678d2eaa98d06c1bff80bb154558bf8.zip 188,465,575
4.1 beta 15R5823c 9 N/A b0f49191aad6eb7a13eae2d2ecb4eeb09b0ce569.zip 167,901,413
4.1 beta 2 15R5835d 9 N/A 9a388734b8e5ed89c3f5dad52b4b735d4c3e17d2.zip 152,615,542
4.1 beta 3 15R5843a 9 N/A 1e50cad6aca6704482b08589eabd9b0792614e50.zip 151,569,773
4.1 15R846 9 N/A 12bbf562884c0348230547abb8b5a966406b4959.zip 150,634,309

Watch2,7

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A b5cdc5ceb8d4f6fbf1f4839ed16561ba3fbca8ca.zip 78,521,855
4.2 beta 2 15S5090c 9 N/A e06eff24adbc540c83a392cb55f6f2c49728bc79.zip 64,132,346
4.2 beta 3 15S5100a 9 N/A 209effb455db95da85a495ac88d2da7328aabe8d.zip 49,040,962
4.2 beta 4 15S5102b 9 N/A 87321474a3b9a4414e76f6853f92a3cd1c304c2e.zip 48,996,443
15S102 N/A 9 N/A 20f9a6fe30df33fc78449824bb82587ed725597e.zip 1,178,391,757
3.0 14S326 9 N/A 9c6667eac409b8686aa5e15e504958c549078adb.zip 647,678,752
3.1 14S471 9 N/A 86fe214a360030094ee447849a430d93ff54dc80.zip 646,385,953
14S500 9 N/A c4d0c92cd34d47351572a342e4b6201d55239198.zip 646,386,794
3.1.1 14S883 9 N/A d44170d4b0b3e0e71a8ab40c526d587918d522e0.zip 643,953,951
3.1.3 14S960 9 N/A 2c019032f70550775efaa5632a9038a99ce37ca3.zip 643,946,972
3.2 14V249 9 N/A 21af20b35f4feddfe42f35bec2982f437b5b3e72.zip 599,285,970
3.2.2 14V485 9 N/A bd733442534b28dbe1e79011582d19f71f71619e.zip 599,107,051
3.2.3 14V753 9 N/A 923bd9374f77bcd905a0d2c5770a39e91288725b.zip 599,046,777
4.0 beta 15R5281f 9 N/A e4780df91d87f055ff3856df28ad8c30d6585ecc.zip 358,656,263
4.0 beta 2 15R5307f 9 N/A fe10fb7120e5dc2c689ea48d399e22b0cbb54540.zip 308,809,845
4.0 beta 3 15R5321h 9 N/A bb4dbfe32d0851b0ae4cadab3364a0f081ff2944.zip 286,088,849
4.0 beta 4 15R5331g 9 N/A ecc164f57ce17475cb0638ce6007363f0bdf853f.zip 246,412,466
4.0 beta 5 15R5345g 9 N/A 46eadac57ab512796bbb4d533d97d904c7c5435f.zip 209,443,538
4.0 beta 6 15R5357b 9 N/A dea41efc27287b61c0f50e5019158813c8291bee.zip 197,791,445
4.0 beta 7 15R5365a 9 N/A a1bd94cbcd80abf63f44a5b8a94de151a8824e83.zip 197,112,560
4.0 beta 8 15R5371a 9 N/A 841e9a69a4119a8dbe6a524000005c72748cf583.zip 196,820,062
4.0 15R372 9 N/A 4f3dd8ae1e08337ac6286d82e430b8f57b13268b.zip 188,473,686
4.1 beta 15R5823c 9 N/A bde05155a4fef37b5e659d2860df6361a4eb4e1c.zip 167,921,658
4.1 beta 2 15R5835d 9 N/A 93d59033ebc379a6e7bda0831793bdc16a42243c.zip 152,618,150
4.1 beta 3 15R5843a 9 N/A 3832aa2068b333fae9586b74ecb6a57a6b7c15a8.zip 151,600,273
4.1 15R846 9 N/A d30d579738aa3aea73d375f8ba5d89122bc21b13.zip 150,632,621

Apple Watch Series 2

Watch2,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A 95eafb76dc6ca77eb1e8ed023d82d2966fdb2f79.zip 79,401,850
4.2 beta 2 15S5090c 9 N/A 49042d4a21edc1e8a2230ae5dba2d8e831ec63d0.zip 65,010,283
4.2 beta 3 15S5100a 9 N/A 40cb4c5d4da604d1b4827e1d128cad40fbe7f1c6.zip 49,923,357
4.2 beta 4 15S5102b 9 N/A e767a79dbbc4354a7f501d34a5ccd4fecf7d0365.zip 49,874,282
15S102 N/A 9 N/A e8fb9358037c7f72ac47ea83cd83d5a5b016520d.zip 1,164,477,757
3.0 14S326 9 N/A 977b675a0c592393f1945a65b6f481c8c1bf22fa.zip 632,541,676
3.1 14S471 9 N/A edda3751d065f0434907da6ee4a6474c2665bb8e.zip 629,366,228
14S500 9 N/A 36cc330eb7289e845b9e4210a70e7181a4942c11.zip 629,365,878
3.1.1 14S883 9 N/A df5c706478e37b1c81bb0f37b4d08174906d8ac1.zip 631,966,220
3.1.3 14S960 9 N/A 271c90823f55cb8cc5cb1e58cc2de1a4145bd482.zip 631,252,423
3.2 14V249 9 N/A 2ab22003971f76247f1e8e852425f64ef3e39653.zip 586,281,811
3.2.2 14V485 9 N/A b66e34f29b1bb3207ad62b2abe90c0fa97c9c9bf.zip 586,100,188
3.2.3 14V753 9 N/A 25603dfa02b19e85b3a0cf6195f9f42dc7291941.zip 586,038,209
4.0 beta 15R5281f 9 N/A abc6a0d2be3bf67077660d451dbeaa7335621d7c.zip 359,572,006
4.0 beta 2 15R5307f 9 N/A 27f580c9fb0541927bfd5deefe0034f5cd2f515c.zip 309,698,301
4.0 beta 3 15R5321h 9 N/A 09ee058869232d92f3c0421d65be26d0043f1ed6.zip 287,045,900
4.0 beta 4 15R5331g 9 N/A 0ad94126c0ef688cfd9885719683a627a4b3f2ce.zip 247,347,201
4.0 beta 5 15R5345g 9 N/A e6fee31e55e0bf4171bf5a7bf4aef5d4c0a104e8.zip 210,509,369
4.0 beta 6 15R5357b 9 N/A 751ebd556497fd7542b2b091e3117bc6024eee01.zip 198,866,711
4.0 beta 7 15R5365a 9 N/A c03bb0810cb49a0cdf3a602a3dbd70ff71660192.zip 198,201,121
4.0 beta 8 15R5371a 9 N/A 5c80bc23661c2bebefa709f062436b7293765ec6.zip 197,934,970
4.0 15R372 9 N/A c24186a3d91040b50013385b044d96bfbdd1d044.zip 189,621,475
4.1 beta 15R5823c 9 N/A 821c97d23d028cd3ac7e7cf7becabc46f2ad3701.zip 168,799,349
4.1 beta 2 15R5835d 9 N/A c8f76dce36303fb455741209687fe6d31cdb3e62.zip 153,498,620
4.1 beta 3 15R5843a 9 N/A 774637d0a762791bb2c2c1392062739c294846ff.zip 152,478,829
4.1 15R846 9 N/A c4d36eab44dd2a66fd8a8e225352dd2a1457eb40.zip 151,529,345

Watch2,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A 22300ef8b7100f558b3b55f01a1933cf6db6fb37.zip 79,430,631
4.2 beta 2 15S5090c 9 N/A 0c84fee64e184305f89634fe1367bd075ae8061c.zip 65,020,740
4.2 beta 3 15S5100a 9 N/A 14f804d56a1a3c4eead769487d6954484e32a6b3.zip 49,934,794
4.2 beta 4 15S5102b 9 N/A b354ef159c780dd521050a61ca292df67aa85410.zip 49,890,107
15S102 N/A 9 N/A 0358cfbf71016e7cc5746e469830f40b298c7e81.zip 1,179,672,652
3.0 14S326 9 N/A bfc70eab85d7e5e8d795173c73fbf4b0b7aead24.zip 648,680,276
3.1 14S471 9 N/A 5acaa9656d3674073080fdf3fda4f66977fd9c86.zip 647,585,292
14S500 9 N/A 1e705aff3ea658ff7d9f0f49620104f9d285a3cf.zip 647,585,207
3.1.1 14S883 9 N/A f7e01995f16dbd67a7ba426e71dff40ce67c051f.zip 645,989,778
3.1.3 14S960 9 N/A 0fa0f973b6db0df7e3ca5301092294dc624a5b5c.zip 645,142,845
3.2 14V249 9 N/A 020e49f21e91b05f591fc3dce12a833685f2198d.zip 600,425,303
3.2.2 14V485 9 N/A 9ed25d031295755b5cd766737b9fb582e1d84661.zip 600,259,105
3.2.3 14V753 9 N/A 0ddc540b8b3f58fe95a1823850f68155b138969f.zip 600,195,623
4.0 beta 15R5281f 9 N/A eca349b8a0cbbce27901720dad26f63fbe509dee.zip 359,803,025
4.0 beta 2 15R5307f 9 N/A ddb19230613b81acd5ae52ef1a2c8ec5351c62bf.zip 309,929,819
4.0 beta 3 15R5321h 9 N/A ecb6ab975d01380810cd7928bf67b2fcd2a6d2b3.zip 287,233,608
4.0 beta 4 15R5331g 9 N/A 46e2d722c2b6f0c374aeff44070368bbb7e5a645.zip 247,562,641
4.0 beta 5 15R5345g 9 N/A 4fff9ac65dd14df1e20e44a437d63c908a4c1c23.zip 210,588,085
4.0 beta 6 15R5357b 9 N/A c47fc56b9b58756bedbcae37715f2a9b5a3f602e.zip 198,925,320
4.0 beta 7 15R5365a 9 N/A 715ac8bff37b121270347e8caff321a229178fbd.zip 198,244,887
4.0 beta 8 15R5371a 9 N/A db08c5aede42313cad5c23a041eb1de391be879e.zip 197,955,949
4.0 15R372 9 N/A 4f1416d6028919724b591038f32d4f962476ab1a.zip 189,634,173
4.1 beta 15R5823c 9 N/A 10cb1243ba6064c583e913d98304fd40e1b9566c.zip 168,828,425
4.1 beta 2 15R5835d 9 N/A 0c2f698f066a7387b6bd5ecfa4f923e20976897f.zip 153,530,236
4.1 beta 3 15R5843a 9 N/A 7ae2f4b1921dc6c9c5c9e570ad32ba115538c268.zip 152,494,081
4.1 15R846 9 N/A be4e1b1cf5c4765d43d3f76f177520dab3a1d440.zip 151,542,832

Apple Watch Series 3

Watch3,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A eba009e706fe56e38537e0748bc5a657a9932915.zip 112,061,728
4.2 beta 2 15S5090c 9 N/A 969f1c0907a55b7af262dc08ed53471e6d896d2c.zip 98,105,335
4.2 beta 3 15S5100a 9 N/A 6dbd55c883c4c909d28693030d7e6a71dce4c85e.zip 58,368,620
4.2 beta 4 15S5102b 9 N/A ca11be0875a6f8921954f02aba3e13cfe87e3afd.zip 58,324,317
15S102 N/A 9 N/A fcb0d5bbcc471b6a9e725188f011aa59a8c4a5bb.zip 1,680,044,096
4.0 15R610 9 N/A 7f0fd3f52b28a3963bf7ebe13cf11659c59f5d7b.zip 223,809,820
4.0.1 15R654 9 N/A e6c7926ea161010bea3df8e5d436cd15eea6eda5.zip 223,726,299
4.1 beta 15R5823c 9 N/A 0199795af09d4e2363c47b5da5de5d247f638f47.zip 204,365,628
4.1 beta 2 15R5835d 9 N/A 08ed3fa256e84022325cb6d7b6bfbb6964634fa0.zip 189,097,265
4.1 beta 3 15R5843a 9 N/A 0c01e8db2af7cb93ff11c285041197a63a562a70.zip 186,850,711
4.1 15R846 9 N/A bf4919bbf83e8b8946fafe9dd6bed0a016bc5542.zip 185,954,221

Watch3,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A 95efae2803504d2668067cab6e912d502fccccbd.zip 112,085,067
4.2 beta 2 15S5090c 9 N/A 69595232e71bb8d45d5c71a2ac7cfd0b124396eb.zip 98,126,784
4.2 beta 3 15S5100a 9 N/A 6e61fbc5c3f20a935f8d7b9d1b0f145c5fc4995e.zip 58,394,867
4.2 beta 4 15S5102b 9 N/A c9cd100535903b08945f18b4ac4f6de26b5e6bfd.zip 58,345,517
15S102 N/A 9 N/A 659c304c7d3b1d5a209beb9284bbf4bb65fabbd7.zip 1,695,857,972
4.0 15R610 9 N/A 3a4dfdf48ec1a8da02c4caec646d5540472fcffe.zip 223,831,550
4.0.1 15R654 9 N/A a385bc6f04880a47d30ed9e88caa8e0c6c167f20.zip 223,750,290
4.1 beta 15R5823c 9 N/A 3066475ad7f82aceb98ced3a5a79c6cd2b0a5c17.zip 204,390,594
4.1 beta 2 15R5835d 9 N/A e274dc8187451da9646db50557ec266bbf98d013.zip 189,098,602
4.1 beta 3 15R5843a 9 N/A 5aab62b929d5dacce1d41329fc831b46e5c3152b.zip 186,869,847
4.1 15R846 9 N/A 621ac3f87280670c5a590f4a5bff0e572aaa8ac2.zip 185,983,288

Watch3,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A fac63661b341e88d1d693def0f8eaab9291232e0.zip 84,214,810
4.2 beta 2 15S5090c 9 N/A 4f30b01ce4e3698839a0fc9fe936c3ba8e5c9003.zip 70,184,741
4.2 beta 3 15S5100a 9 N/A 1d3f56a28a3bc0e7cd0e12f80a0558627c1fecfc.zip 55,621,897
4.2 beta 4 15S5102b 9 N/A ba93bd627c59f17c06dc71d1bd4521dc48851e5f.zip 55,571,890
15S102 N/A 9 N/A d83297c6fed231ebe84452d38c6acdc652b9cc73.zip 1,620,696,399
4.0 15R607 9 N/A 2709b98460b1134cd090cbc9eef372f780a76fc9.zip 194,679,991
4.1 beta 15R5823c 9 N/A ffc6f42109a38a56219a3613511315ae6e03d421.zip 173,789,405
4.1 beta 2 15R5835d 9 N/A 257847d002f639b24e05dcf140a7ff6f45844ae7.zip 158,531,693
4.1 beta 3 15R5843a 9 N/A 0032903924775cd45ef0174dcd1b304f9b018a15.zip 157,548,427
4.1 15R846 9 N/A f060f3f18811154311684682f95b0526110a5c64.zip 156,485,981

Watch3,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2 15S102[1] 4.2 beta 15S5085b 9 5 Dec 2017 N/A 50d52f9b89517992ce313f3aaf8c931f0c7c9035.zip 84,226,031
4.2 beta 2 15S5090c 9 N/A af72869b96e79d22136a59f35298eb51bffa32ab.zip 70,206,470
4.2 beta 3 15S5100a 9 N/A 35dc4c3ceb9ba3bb633df7593f934be62e9a8cbc.zip 55,634,944
4.2 beta 4 15S5102b 9 N/A 9270a7fc1df99220a8ef947088d332581a007e1f.zip 55,584,679
15S102 N/A 9 N/A 5b2b179748f8af9f157c85062482d553cfd69b79.zip 1,635,919,423
4.0 15R607 9 N/A 87f0bd397407e789386002d296d4a83d8402830c.zip 194,713,330
4.1 beta 15R5823c 9 N/A 5eea818aa3334debeb14c91ee8e91f56498acbf1.zip 173,808,279
4.1 beta 2 15R5835d 9 N/A 3a2ec4f810bc177709ebc612643d13c1c0e8f536.zip 158,547,231
4.1 beta 3 15R5843a 9 N/A 4d4ced3c7e2954d624c81ea131a33c573338332d.zip 157,542,515
4.1 15R846 9 N/A 94be6741176999aa2bbba9a87561eb1673d7a55e.zip 156,492,051

Notes

  1. ^ a b c d e f g h i j Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 15R372 was listed as 15R5372.) The listings on this page use the build number displayed on the device.