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OTA Updates/Apple Watch/7.1

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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
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 23cda313dfeff48460c37cc34c4a8a6f299626a9.zip 684,882,854
7.0 beta 2 18R5327h 15 N/A debf41822e1858e085332f7009d6809766851a6d.zip 658,004,093
7.0 beta 3 18R5340d 15 N/A 2c58507e0f3b7a013570723daf19d44e9d0244b9.zip 635,425,091
7.0 beta 4 18R5350e 15 N/A 30ef3d627e81c5bc8c6d4ced1d1671943477c9ee.zip 598,216,331
7.0 beta 5 18R5361d 15 N/A 70fd6d3b53a1a0a450d7ca75fd0c2ff5fc841500.zip 427,708,554
7.0 beta 6 18R5368d 15 N/A 52183ea12bf16e5a69b3d242936b6a011ea62c20.zip 415,712,757
7.0 beta 7 18R5378a 15 N/A 983d953caf716515d58dec0f8333d6428baa4e7e.zip 406,128,937
7.0 beta 8 18R5382a 15 N/A 896d604e61ed5f7d6f07ecdb68bbca87d086fdc7.zip 406,104,594
7.1 beta 18R5552f 15 N/A 704e10038f8fc6de3c2c9256cb9fc175ce3fa4b8.zip 374,968,602
7.1 beta 2 18R5561e 15 N/A fa3f5613acb70549b2552cd5c8095b91e86415df.zip 295,626,539
7.1 beta 3 18R5572f 15 N/A 45e9ff8ef063b24a6f0ca4d4e2d348455ddc4286.zip 187,889,255
7.1 beta 4 18R5585a 15 N/A 964a188f59746d8b2596d6f5402fe60236b1eee7.zip 150,375,831
18R590 N/A 15 N/A 612d758ad5c882961918630f0529162d29696832.zip 1,732,254,678
5.3.5 16U652 15 N/A 7b6317975361b851705a3b0c40a28f5fbcf983f1.zip 1,235,518,915
5.3.6 16U662 15 N/A 9e57f262400bbb2a790be3db5abc549f425a385c.zip 1,235,525,332
5.3.7 16U674 15 N/A 70a56c44dd7c677b6b91dc8e2ac2403236f213d5.zip 1,235,521,721
5.3.8 16U680 15 N/A a809a31685eba521cde264e312c6d539675b57d0.zip 1,235,504,788
6.1.1 17S449 15 N/A ceac9baa14a09455383a791f9bea0f817c38f21b.zip 1,064,244,068
6.1.2 17S796 15 N/A 5e45b652ff197670f68c2d7dc7252e606105536b.zip 1,064,319,004
6.1.3 17S811 15 N/A dde5b3635411b8b94e051c28991f09abf4c70835.zip 1,064,322,802
6.2 17T529 15 N/A 654febbab3320d8361665786a7519f1c9389a73b.zip 1,049,723,180
6.2.1 17T530 15 N/A 358cd763dab9bfd9a14e1b078bd069826ad05cab.zip 1,049,722,627
6.2.5 17T608 15 N/A 41dee5ef212cab311f9feddaa08c87914d3f1605.zip 1,050,771,882
6.2.6 17T620 15 N/A 1fe936f421607110a7c058dbb5f1396766e489b6.zip 1,050,774,374
6.2.8 17U63 15 N/A de86c9706787d45a165ae79f394fef0b656ea074.zip 1,050,679,932
6.2.8 beta 17U5535e 15 N/A d9c342b06b30ffbdde63d889c698d4369b25fa27.zip 1,050,865,094
6.2.8 beta 2 17U5545c 15 N/A a83c942b417a0a1b8117e9577259612a6e0d0ce4.zip 1,050,809,510
6.2.8 beta 3 17U5559d 15 N/A 2470f07d55605bb119dc8ed22f413d4d650d16ce.zip 1,050,837,032
7.0 18R382 15 N/A 023bfa20f607a1c1e424eb35142b214ae2e5f0fe.zip 392,860,041
7.0.1 18R395 15 N/A df697a8d3afb20dd2936cd60f13217f86c33e086.zip 392,776,857
7.0.2 18R402 15 N/A 3088406b4d9214d2d6c6f6e74dce0d211b6a2796.zip 392,500,666
7.0.3 18R410 15 N/A ce957ff0b2b0c56bcc6e94a142d11901b94e5020.zip 392,493,548
7.1 RC 18R589 15 N/A 916f0e9f473bb0e997eb433cb11a3db94ca357f0.zip 77,489,358

Watch3,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 987d6bcfcb1a2d555674f4fe75a1b633dacd932e.zip 685,081,264
7.0 beta 2 18R5327h 15 N/A db1e2b59d2b79b64bfffb1dd8d6c0c6b370395ee.zip 658,198,720
7.0 beta 3 18R5340d 15 N/A a42bdac3d89d2680ff87ba0a4d937581e79b4ed1.zip 635,445,275
7.0 beta 4 18R5350e 15 N/A c27caeb6b4499dab7596a8216cc876378d3411d9.zip 598,213,095
7.0 beta 5 18R5361d 15 N/A bdba4eb9d3b69956e9f61d856c0ffe329a6aa92b.zip 427,806,747
7.0 beta 6 18R5368d 15 N/A d6c677c871ba7d8483a1bacefaf31a7d6a118724.zip 415,775,356
7.0 beta 7 18R5378a 15 N/A 895f17d6ae6e103e2d0a34cd650db5d2cf531293.zip 406,183,370
7.0 beta 8 18R5382a 15 N/A 8d65c820a383c0410d81f90261c4beade3c04a3c.zip 406,165,440
7.1 beta 18R5552f 15 N/A a9fb0b9b80080d1abfee3b2fa220c596108502ab.zip 375,046,420
7.1 beta 2 18R5561e 15 N/A 6dc33783a2b01b9ac983f3106e618e023b097aaf.zip 295,648,145
7.1 beta 3 18R5572f 15 N/A 2be0f4b360fb61689843166e3d88947f9cb2e3d2.zip 187,934,348
7.1 beta 4 18R5585a 15 N/A bd2111cf5460146ee77f62cacdd3b8452d173c7d.zip 150,380,865
18R590 N/A 15 N/A 10461f5a843a3c4c9ce594e5c171b464ef675a66.zip 1,742,402,976
5.3.5 16U652 15 N/A b6597e472f40148826806379fb9672919eaa5706.zip 1,239,474,716
5.3.6 16U662 15 N/A 713d07349ea2025df1adb0de3595ebeb28490036.zip 1,239,476,722
5.3.7 16U674 15 N/A d2ba535045e5b64b51ef02fa1494ebef1d278dd1.zip 1,239,473,270
5.3.8 16U680 15 N/A 8163d9a91ff5042fe883fb5567aec1623257ebc6.zip 1,239,456,641
6.1.1 17S449 15 N/A 45873f0e4dcb31e47fedcba184deb532543e5031.zip 1,066,084,328
6.1.2 17S796 15 N/A 38fc59a614bc44176200a82809cdeab30da1f60f.zip 1,066,146,060
6.1.3 17S811 15 N/A 40500edea76fb559b209115424456ba75ea5686f.zip 1,066,146,581
6.2 17T529 15 N/A 1149e7a3d81006b0bf63031698fa7f3270b53eaf.zip 1,051,565,236
6.2.1 17T530 15 N/A 1309667f2a042cd8547d1947fe1cb937aa957188.zip 1,051,569,462
6.2.5 17T608 15 N/A 93c1687ab89229381b63bb39c3b80f1c17acf2bb.zip 1,052,622,239
6.2.6 17T620 15 N/A dc36cb3a103d718aaf5c06e5c870a8088ece93e0.zip 1,052,625,082
6.2.8 17U63 15 N/A 8ceac0de4f0f354d5e4ef3faa2d07a57fc54521e.zip 1,052,512,128
6.2.8 beta 17U5535e 15 N/A 567d1b42419f57625d0daf6d5e1592984e246efa.zip 1,052,703,821
6.2.8 beta 2 17U5545c 15 N/A 584f1111e2f69976373ce4c92e94c2e83f6e5bf0.zip 1,052,649,447
6.2.8 beta 3 17U5559d 15 N/A d69e706bae245b47134399be5dd64f25719e5543.zip 1,052,652,888
7.0 18R382 15 N/A 4655dd821b97d80743aba349fad78b652df05f76.zip 392,882,776
7.0.1 18R395 15 N/A 5e608e45d4a7b8b1b0653199a06536fe56205439.zip 392,786,259
7.0.2 18R402 15 N/A 65f445b89ea337ef698ce56d6b580f04403aabe9.zip 392,508,051
7.0.3 18R410 15 N/A e144d843c27c5bad02aff0e091faf96e5f058d39.zip 392,504,401
7.1 RC 18R589 15 N/A 1405ba497a8082dd1dfe2eb7cefb8f4d6e434bb4.zip 77,507,866

Watch3,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 2e0346cfeed5e30308ec2e4d5a854f3e3bda7484.zip 649,764,128
7.0 beta 2 18R5327h 15 N/A b3dba458d572bd293d7735c15688d3e34d3b21d3.zip 623,947,169
7.0 beta 3 18R5340d 15 N/A ae4c19b101dd713a85c3e11579787c663b2d59e6.zip 600,909,944
7.0 beta 4 18R5350e 15 N/A 6bfa199a85c83eab23921953edf3c2afdcb86af0.zip 564,938,981
7.0 beta 5 18R5361d 15 N/A 8b51babe3abcddb6610ca891dbc8648edbcc1626.zip 417,810,673
7.0 beta 6 18R5368d 15 N/A 4da487039974385b3c926dac55efe6e366cf0ea9.zip 407,060,391
7.0 beta 7 18R5378a 15 N/A 33d625d5b19d18f996baca29ff1d095996c0b364.zip 397,491,310
7.0 beta 8 18R5382a 15 N/A c46caa07709559cb317d32c16b998ec58f0e80d9.zip 397,497,737
7.1 beta 18R5552f 15 N/A 0dc71ce818c352d03f5dfe127ef8b7f384190a2a.zip 343,957,188
7.1 beta 2 18R5561e 15 N/A e5c34c43029b8284c81b421a8c94dc920e7bf6ec.zip 264,104,621
7.1 beta 3 18R5572f 15 N/A 3b80b9d4a2b3e29af50129fd5cbd3c644fa06687.zip 181,127,613
7.1 beta 4 18R5585a 15 N/A 0469af9ac165546b342e06dc0950d41c0292ca1d.zip 143,176,002
18R590 N/A 15 N/A 77624e14a902aab726b00b13782e4e0ac00575d2.zip 1,665,570,535
5.3.5 16U652 15 N/A 1a21055c0c5d63161307aeb161f68789bcbd9043.zip 1,197,862,969
5.3.6 16U662 15 N/A b9c146e9ba2db11e53a93860577fe1de37cafd54.zip 1,197,866,204
5.3.7 16U674 15 N/A 6bcc6073b5c76062f848ecc7f8d1b86bd85327f4.zip 1,197,863,941
5.3.8 16U680 15 N/A 57719434981b7f33bffac1b3f656d8ee3b5842a7.zip 1,197,847,958
6.1.1 17S449 15 N/A fa2ab7d712b40b6e9798762cf6d092539e1ef2b6.zip 1,027,284,958
6.1.2 17S796 15 N/A ac03b03ff0ae3866ba27eeb05a0d3889fe282309.zip 1,027,260,247
6.1.3 17S811 15 N/A 7109b5ba9fbb7ece31280cad6dd921a5914bd3e8.zip 1,027,263,733
6.2 17T529 15 N/A bee4dc721801e1e2899f2904e8b4a4a294d41b6e.zip 1,012,701,648
6.2.1 17T530 15 N/A 3020847f1936c8f563456c294421aea07a2a6179.zip 1,012,704,074
6.2.5 17T608 15 N/A a7fc921ac15d5362538504d14223c5ee5331195a.zip 1,012,702,336
6.2.6 17T620 15 N/A 5349523e6f9fc2ad9b3f4c38a3947fc77599b491.zip 1,012,704,102
6.2.8 17U63 15 N/A 78b085a76aef6b0a89d19f3f6c3cae20581df2e2.zip 1,012,557,601
6.2.8 beta 17U5535e 15 N/A 85e8f3deba216923651c8c763438b3a85c675550.zip 1,012,992,557
6.2.8 beta 2 17U5545c 15 N/A 3dc32cdbd997e992c5192944e858654963b39a5a.zip 1,012,936,710
6.2.8 beta 3 17U5559d 15 N/A 0d7036cbc659e84fa2fd44e887c1121137d545f2.zip 1,012,889,301
7.0 18R382 15 N/A b377a57394e344680e8c52f4d6c64b1587099dbe.zip 384,804,105
7.0.1 18R395 15 N/A 8d0854ecf2139a2dafc9bfc19da39d3430e167ef.zip 384,688,182
7.0.2 18R402 15 N/A b94e3c4c15ef27b365da6a94062e93a56b9f4653.zip 384,729,231
7.0.3 18R410 15 N/A 4aae27b67769a7918af9ee8a1cd58ea2341d6660.zip 384,725,403
7.1 RC 18R589 15 N/A 19edefa626cd1ca28e5635d242cf544adbdbca72.zip 71,597,284

Watch3,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 3549e6d36e489576f760ec95755b82fde8a68fc6.zip 649,989,639
7.0 beta 2 18R5327h 15 N/A fa86efaa02546620e90da7b46b317ed86704cd08.zip 624,157,999
7.0 beta 3 18R5340d 15 N/A 2fba82578c64e4aec4a862e16dd1eb75d028a10d.zip 601,014,353
7.0 beta 4 18R5350e 15 N/A a78c81a08c6edda0ad73f7857da61ee64c36b054.zip 565,054,368
7.0 beta 5 18R5361d 15 N/A 0a06a835b1a75f6f36c725e2612fea3a3ef8bc20.zip 417,873,950
7.0 beta 6 18R5368d 15 N/A 4409b8b203f5546b637323fa1571a5078c7a68fd.zip 407,146,416
7.0 beta 7 18R5378a 15 N/A d38072f9d0dc3c1028902bde91a74639f82bcfd8.zip 397,542,489
7.0 beta 8 18R5382a 15 N/A 0ad763be683e6a4eab958636196c6892fb122fc7.zip 397,548,615
7.1 beta 18R5552f 15 N/A 3d9487451c26840839c8190123fcd1022b7b3a46.zip 344,035,560
7.1 beta 2 18R5561e 15 N/A ab908b3d3af4fe839757ea8b58f6752f56596a4e.zip 264,105,844
7.1 beta 3 18R5572f 15 N/A 5beb355fbee1f06cf246159736deb0ccfa4e7b0b.zip 181,174,791
7.1 beta 4 18R5585a 15 N/A 24ac7e1f9324765c178dc582a3904dc6bb24eec0.zip 143,195,384
18R590 N/A 15 N/A 925b885b1bbac8270969bb1a7f1b905181ae7d90.zip 1,674,974,118
5.3.5 16U652 15 N/A 173001ed78721d9aa6e34d974b34ba566ba84c2b.zip 1,201,078,339
5.3.6 16U662 15 N/A 1c5e509acc8b6497c9ffc8e96fbd0ebded37e8ca.zip 1,201,078,250
5.3.7 16U674 15 N/A 1f6b1a5635ef8e2b7bf6d0cc3c37214b6b5dfb7d.zip 1,201,082,864
5.3.8 16U680 15 N/A 1d9a70842c05d7249b4036316b0440db4129cdb2.zip 1,201,062,462
6.1.1 17S449 15 N/A f87fd8c40d90c8b83eb3ff2ec8a5e71fe7aaffa5.zip 1,029,079,150
6.1.2 17S796 15 N/A 6fefc3e8bebaff63a116c15c4d46896e72605163.zip 1,029,062,044
6.1.3 17S811 15 N/A d4efcfdd4ea133694a13364a628fd53712d6d056.zip 1,029,068,391
6.2 17T529 15 N/A c7007fc33964d596addaae6ae4fcee48bc8ff487.zip 1,014,492,577
6.2.1 17T530 15 N/A d8c8ee7760d60dedd8613e305ea75a7b41962e04.zip 1,014,492,927
6.2.5 17T608 15 N/A 7ec2533a37994611176111c9b75693903bb29f0e.zip 1,014,478,234
6.2.6 17T620 15 N/A 6530b1196da67006994339454d3f00f7b98bc8fb.zip 1,014,480,733
6.2.8 17U63 15 N/A 4932c8211c9cb04503645b4fddaa7463b40c043e.zip 1,014,341,692
6.2.8 beta 17U5535e 15 N/A b5d1a1b08387bfe171330f1af2d12fe78608ee20.zip 1,014,790,140
6.2.8 beta 2 17U5545c 15 N/A 4eef12cea2faaa5b4191a76dcc41a58202c839e4.zip 1,014,732,356
6.2.8 beta 3 17U5559d 15 N/A bc48c0ce0011dde3efefb7f7df95d1eac34f83c4.zip 1,014,665,847
7.0 18R382 15 N/A f6d077900a8b447abe0226486abd43d4e0552c06.zip 384,847,930
7.0.1 18R395 15 N/A 1cb9aadc94dae5ce6daf9f69493d24312576c67a.zip 384,742,515
7.0.2 18R402 15 N/A e319cbcacdd4df0c014f04fbc35aa6d55820f517.zip 384,788,522
7.0.3 18R410 15 N/A d8656e7cb9590896f1892f8fc06ab9b1d0c39ebb.zip 384,783,623
7.1 RC 18R589 15 N/A b6314dad98ab68cf93bf35406ea7f73f4a71de22.zip 71,619,418

Apple Watch Series 4

Watch4,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A ba5184546dc7c5a8a89d7be2f3b369a0878d8f62.zip 716,987,314
7.0 beta 2 18R5327h 15 N/A 5f8638b4f30db1eee95c11702dd4f16d024bfa33.zip 688,005,531
7.0 beta 3 18R5340d 15 N/A 697a0fc0b4c344c0446641ee600d155e53649807.zip 662,765,839
7.0 beta 4 18R5350e 15 N/A cc849d35372e3b88f28752e106f520b9d0c0ea08.zip 627,455,591
7.0 beta 5 18R5361d 15 N/A 9194e2c646f707ec27b6cd59b0579a896df14a94.zip 443,368,930
7.0 beta 6 18R5368d 15 N/A 9dd4d90c5fe3854ca588b5662fc884b758bb2a44.zip 435,870,166
7.0 beta 7 18R5378a 15 N/A 7b1905595b52be170ae37afb8b841a6615d043dc.zip 427,442,310
7.0 beta 8 18R5382a 15 N/A 73657b9ed043e245323923af948a11dfae7a7d03.zip 427,393,615
7.1 beta 18R5552f 15 N/A 13867a2aae08da2476072fdcf1cef3c530d3faac.zip 327,410,823
7.1 beta 2 18R5561e 15 N/A 4947d2c6ba85ec356f9ddfaa3e7753705cacc397.zip 236,171,380
7.1 beta 3 18R5572f 15 N/A e22f892aaaf9b229575e1bfd0f1cc2f5390adf00.zip 154,761,637
7.1 beta 4 18R5585a 15 N/A cb3f85180a88e2ee4a1f8cd3e268c206453522a1.zip 118,040,196
18R590 N/A 15 N/A 2d0b1179409395efc2fce26ecd63d8b68662a119.zip 1,751,313,132
5.3.5 16U652 15 N/A 316da7e2b99dbc632dce0f7b69897d98a548bd69.zip 1,256,279,587
5.3.6 16U662 15 N/A f4e7b3329792d8c45072ebfa16ccfea8b38aa98e.zip 1,256,283,646
5.3.7 16U674 15 N/A 67da92f56573edab270e69cd1d10e47d82af4cf7.zip 1,256,276,736
5.3.8 16U680 15 N/A d47317a83c724bccbb635e806417d3ca86c5df17.zip 1,256,270,154
6.1.1 17S449 15 N/A 26c655c5a496fec55f28d410e41827ed0b63b6f6.zip 1,080,450,991
6.1.2 17S796 15 N/A 99f50a54fc0a354e8e8990c2b7892efb92a31424.zip 1,080,430,664
6.1.3 17S811 15 N/A 126f68a4bc5802fa632a1b2d68dd528b750b350c.zip 1,080,430,987
6.2 17T529 15 N/A a51013aaf05257193348cb28bc269005e8fc5787.zip 1,064,723,929
6.2.1 17T530 15 N/A 151dc5f76a635699fbb0f51c80292a929ec9ad2f.zip 1,064,724,071
6.2.5 17T608 15 N/A f70b48fba7f403f6f16befb7d56d92e612e5e968.zip 1,064,712,665
6.2.6 17T620 15 N/A c0026842271b1d2b4c349a453f67c4ad073f9cab.zip 1,064,707,759
6.2.8 17U63 15 N/A b2119bcd69beead5c2ace4a6d5fa101ba46f4b70.zip 1,064,573,247
6.2.8 beta 17U5535e 15 N/A ca5b9db5a2992109e1ff979d452e6a00f81c30bf.zip 1,065,093,827
6.2.8 beta 2 17U5545c 15 N/A 8185e56b1607fca939413aac4b1fc3a07feb9a5e.zip 1,065,033,159
6.2.8 beta 3 17U5559d 15 N/A 5d5ab0de51f52a93b4f2c84dddb98c445e6bb110.zip 1,064,975,732
7.0 18R382 15 N/A 0c25064e85e29b779e065c87c9555dea511c785a.zip 389,557,921
7.0.1 18R395 15 N/A 42b19ef1a17e64888925d231063f09c21d1d0f02.zip 389,496,959
7.0.2 18R402 15 N/A 2fdf6bd6a737177719224501152ac2018fa2c98d.zip 389,400,097
7.1 RC 18R589 15 N/A 4da14196f58f07e6ce8c813da075bbc0235f4f11.zip 62,199,968

Watch4,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 3de93ec7395990ab79412391228aa5e289719762.zip 718,647,278
7.0 beta 2 18R5327h 15 N/A b874f086d9ec425846cad41aacaf3961a9a4a6d9.zip 691,989,407
7.0 beta 3 18R5340d 15 N/A da2a8f2deede52bddddd31ab22807f65dde3d3e5.zip 665,109,009
7.0 beta 4 18R5350e 15 N/A 55217a6162128b97ddb71c3654a68ffab616f857.zip 631,548,238
7.0 beta 5 18R5361d 15 N/A cefd5933f0aba681ab9671c5ce5f5bae2aa1bcfd.zip 445,575,295
7.0 beta 6 18R5368d 15 N/A 0bd9093c05d901cb6d6ec5f84512f9a5b70503d3.zip 437,706,827
7.0 beta 7 18R5378a 15 N/A f4c1df2258add630eb932b8b97c4c78f758c7870.zip 429,463,135
7.0 beta 8 18R5382a 15 N/A ee582d40b1070cb2895617d7386f848aa4300d73.zip 429,425,044
7.1 beta 18R5552f 15 N/A 8a168ed21cf3face624ef463e71eb8d257ec2cb0.zip 328,978,552
7.1 beta 2 18R5561e 15 N/A 1fea2a0d77d8cf327f0c329fe2b4f20852e585cc.zip 236,460,726
7.1 beta 3 18R5572f 15 N/A cdaa3c780483208bb721ca938a10c554e1d0b380.zip 154,844,750
7.1 beta 4 18R5585a 15 N/A 2cdd2c80be8f2360e528beee9ce825a042ee8c6c.zip 118,096,914
18R590 N/A 15 N/A 74e11c39605a826ba2447610833c8e4eedbb81d6.zip 1,728,438,827
5.3.5 16U652 15 N/A 07dfd9386f014ec20f72fcdc0945222f58db7509.zip 1,265,246,310
5.3.6 16U662 15 N/A 57fa64ed629b66214d12bf05bff44bc57f4c7d5e.zip 1,265,255,293
5.3.7 16U674 15 N/A 8e9c046bd1b883db6c728c234cf5a09ee68004b8.zip 1,265,246,536
5.3.8 16U680 15 N/A ec1555b3e8a9ea83eaef412ff1e5da7bd5bb58a6.zip 1,265,241,375
6.1.1 17S449 15 N/A 9e3afacdcd06326ff2d8f3900f99842ef6ec9cb9.zip 1,085,814,593
6.1.2 17S796 15 N/A 8510e33c2f01cf02e89b0f04db93779c78bab59a.zip 1,085,809,465
6.1.3 17S811 15 N/A a07b429324ec6da2d1cb429c5cce29ccfcceb1e9.zip 1,085,808,855
6.2 17T529 15 N/A 112b507d2f2621264792f73df52bd633e91a7c86.zip 1,069,844,804
6.2.1 17T530 15 N/A 4bec032aa358668670752a8f43a7d012bec2423a.zip 1,069,842,784
6.2.5 17T608 15 N/A 7efb09fedc10ef2d35baf1fba5f7acc3a55e5f77.zip 1,069,833,825
6.2.6 17T620 15 N/A bdcf4fad2e8acaa6fee4de9f4c41ea2c25006d2a.zip 1,069,829,361
6.2.8 17U63 15 N/A 6ebbbd61e27a0f9bf4d9225bf4063aba997894ae.zip 1,069,692,809
6.2.8 beta 17U5535e 15 N/A 301f6db8241c53caac1e0ed7af09159f0a712231.zip 1,070,162,741
6.2.8 beta 2 17U5545c 15 N/A a076cd05325a47189005089d75b5ca4540a6f299.zip 1,070,098,687
6.2.8 beta 3 17U5559d 15 N/A 4b65d834567945a094e03fc5fabce5a942a6bfb7.zip 1,070,046,773
7.0 18R382 15 N/A d818d3b60833f6b0bf79423e5daf4d7719e1bfbc.zip 389,847,487
7.0.1 18R395 15 N/A 24b4a25b2c871abbd996d59630ab9d7e5d9ce40a.zip 389,767,961
7.0.2 18R402 15 N/A 22f5f325a893ce885ff2f0628a3c0ee4793ddab4.zip 389,664,676
7.1 RC 18R589 15 N/A 0be5d2e36e52ac9f7016b051e0fc4d150fc764e7.zip 62,250,090

Watch4,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 8fc1e2be207c8dc0e11a0c9bffd124ee896eaca5.zip 740,991,211
7.0 beta 2 18R5327h 15 N/A 33bbc1638b0d5d13921082080b58428788ed85c1.zip 713,405,876
7.0 beta 3 18R5340d 15 N/A ead5d7ccaf9677bf40dcd840b7cfa2df4b5585e9.zip 687,779,153
7.0 beta 4 18R5350e 15 N/A 7f6183fe2cfc9e7f35bdf804a2d6c03cf4cce926.zip 651,970,306
7.0 beta 5 18R5361d 15 N/A 96ff48b8f62783ee5d8c633117e6cfb907de9f23.zip 462,833,684
7.0 beta 6 18R5368d 15 N/A 5e7ef8b036b1f935cab137e76822b1dae98abb54.zip 455,008,408
7.0 beta 7 18R5378a 15 N/A 9c66f2698bf53c7ef6d4fef801630057bd706d81.zip 444,936,923
7.0 beta 8 18R5382a 15 N/A 7b94fee43c5a3fbbccd1c3327c030eb8264d566c.zip 444,963,329
7.1 beta 18R5552f 15 N/A e45b7e69675e8a4e807cbd35239840c139594188.zip 349,051,019
7.1 beta 2 18R5561e 15 N/A 4df3511cd5a9ad310935aa3faf54e82ca740b492.zip 256,082,050
7.1 beta 3 18R5572f 15 N/A 39d301dc4f0d7ccb83680745583d8fc083dac906.zip 160,843,220
7.1 beta 4 18R5585a 15 N/A d315a89953740fa68af3db743e8852da2a72b456.zip 124,024,098
18R590 N/A 15 N/A 8e1f28ebe0761653f2ddfba65928f9dbf50ae08a.zip 1,797,100,381
5.3.5 16U652 15 N/A 126fb389b61d4b95e2423f9c54e5e6f7f9606a82.zip 1,287,194,653
5.3.6 16U662 15 N/A 2df6662e07de466cd9ceaed07cd50738f5e23403.zip 1,287,204,890
5.3.7 16U674 15 N/A ced4b321ac42629ee7b2b7b834a69e0402419025.zip 1,287,198,589
5.3.8 16U680 15 N/A a1b327fe0454126c4daa2bcee5d704d58a996093.zip 1,287,193,199
6.1.1 17S449 15 N/A 772d76296e01b7e5a79aa888d5822bc72dca7892.zip 1,111,331,761
6.1.2 17S796 15 N/A 60840148b14369c6d560f2c84ed50dd42dc2545b.zip 1,111,097,187
6.1.3 17S811 15 N/A ff38fb4021d3ae0f7d77768bb0c34a19918d75aa.zip 1,111,099,835
6.2 17T529 15 N/A 435087f0b4f22cc7cbdfad7ae8e69191ce30603f.zip 1,095,672,028
6.2.1 17T530 15 N/A c7f6ffcecc639e6b6d9c9206c60f39b6f45cbbeb.zip 1,095,672,315
6.2.5 17T608 15 N/A d67e23f0071114bc3981b873064f1346e3be1e07.zip 1,095,614,273
6.2.6 17T620 15 N/A 8dc6a152f237708cd14230e5c2e15a103e98a083.zip 1,095,609,374
6.2.8 17U63 15 N/A 995ba77c0336c074c03a4c9e55e2f2bc8c246c5a.zip 1,095,473,578
6.2.8 beta 17U5535e 15 N/A ea36bc4fdb40c1ec882847f48c18ea868c504a06.zip 1,095,983,437
6.2.8 beta 2 17U5545c 15 N/A f4962a6084bb2f6761054f90fae17fd2e5ea272a.zip 1,095,921,011
6.2.8 beta 3 17U5559d 15 N/A d854bd4b4742428414472b226bdad57979799539.zip 1,095,790,911
7.0 18R382 15 N/A bf9ad19affb13dbd6dc88bbefbddb35ed277126c.zip 409,182,693
7.0.1 18R395 15 N/A fc5329ba89b526198968a9c0b5d19efef0ec4ea4.zip 409,153,044
7.0.2 18R402 15 N/A 00ee3833a8ddcfd80844d16c4c02cd97f065f24c.zip 409,088,015
7.1 RC 18R589 15 N/A 78abf19d3a8137bfd9aaf815e4bb321cdc2d528f.zip 68,094,452

Watch4,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A ae3b8bd7f084508fc65512fafc75e14661b9a1cc.zip 743,424,587
7.0 beta 2 18R5327h 15 N/A 9e6954d854bb0376c52b99ccb3aed4fe67f2cb9f.zip 716,560,675
7.0 beta 3 18R5340d 15 N/A 46cad645c2df0e1f78de5321022c090f71c7048f.zip 691,293,886
7.0 beta 4 18R5350e 15 N/A fc27e2e7ac0ae6267ca3e2af5d24e3100500d179.zip 656,425,075
7.0 beta 5 18R5361d 15 N/A 1c8739c19a8a265dfcc39f9a65758fd2a375506c.zip 465,364,021
7.0 beta 6 18R5368d 15 N/A 6574167f53fba83b92d1d544dd7a1a5abbe83d2c.zip 457,940,163
7.0 beta 7 18R5378a 15 N/A 9278c1e9d0bf7c80c6b42ce2089664b6b20ccc24.zip 447,938,805
7.0 beta 8 18R5382a 15 N/A 6e520b839c9ad09d2314f6b835d10494bd52efa1.zip 447,972,734
7.1 beta 18R5552f 15 N/A ef877385f479853aa75dcdae632fb93779b817e6.zip 350,649,128
7.1 beta 2 18R5561e 15 N/A af4bd6b346a64bcbc0d837f485dd6d1a1be21aa9.zip 256,370,633
7.1 beta 3 18R5572f 15 N/A 30b974941061041a70531b9d3c7bc1d557ca455c.zip 160,922,817
7.1 beta 4 18R5585a 15 N/A 6f2b4f99244ae3745c911c66522cefaef5e6f17a.zip 124,074,863
18R590 N/A 15 N/A e9c53583b06b9370e39db84bb3770cd5592fe313.zip 1,772,340,551
5.3.5 16U652 15 N/A 4a6569d298aaf1fbcb0445ac3c27f71395f30726.zip 1,297,240,997
5.3.6 16U662 15 N/A 55cf5883d0b9a11088b960ece2b25a1dbff9c9d3.zip 1,297,249,888
5.3.7 16U674 15 N/A 9928ebe310a4057ff29aa3f7ac333c9ed681df11.zip 1,297,241,629
5.3.8 16U680 15 N/A f0863ca4ab7380990ae6bfa765bb7a0a4e1d76d1.zip 1,297,235,668
6.1.1 17S449 15 N/A 9109677460fd394e570cdfdc9faf6b27ffe7151b.zip 1,115,976,306
6.1.2 17S796 15 N/A 5ee38d7d404a112d2fe13b3f17dc8566a35a7c4a.zip 1,115,736,231
6.1.3 17S811 15 N/A c632807ceeafce1a6af106816faa625ce693bc84.zip 1,115,737,351
6.2 17T529 15 N/A a4dbbcee3a97c653a36fcdace9b94a44aa4bff2b.zip 1,101,739,890
6.2.1 17T530 15 N/A 7f0a82d5740ce659ea0cd64900e9a98e1a1f8083.zip 1,101,741,978
6.2.5 17T608 15 N/A 27ca356462286a4ba2f3c10dbbf48579a67db63e.zip 1,100,992,210
6.2.6 17T620 15 N/A 4bd73e0e020b0279b1894369988e99c278fec9a7.zip 1,100,988,662
6.2.8 17U63 15 N/A 55bf256bf58f81e8b0f9767d0073ffa44c6c8d06.zip 1,100,870,018
6.2.8 beta 17U5535e 15 N/A 7f063ad4ad1a6e5177748ef43dcdcd4254e97c16.zip 1,101,321,839
6.2.8 beta 2 17U5545c 15 N/A a62c61d28955a0f8727b7e59099f72412c721055.zip 1,101,252,588
6.2.8 beta 3 17U5559d 15 N/A eb96492b43b427fd109e0326469e67dd6aaf2ab0.zip 1,101,116,647
7.0 18R382 15 N/A 5ea3da486044cedafb40734a61e98091954c146e.zip 409,452,519
7.0.1 18R395 15 N/A a3c755002c7a5353bee5761e2bb6eb033240895e.zip 409,430,803
7.0.2 18R402 15 N/A 6257112c06690db406e41d3998937ca0f3873e2e.zip 409,366,359
7.1 RC 18R589 15 N/A a66bbeea1346b5fff1dd4c4c35d61a4af699992f.zip 68,133,798

Apple Watch Series 5

Watch5,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 83aadce93a395ceaba2f375a9d7f4706c5e91905.zip 717,340,355
7.0 beta 2 18R5327h 15 N/A f2c57b271026c3b094b715f0a75ffa67ed1afdd9.zip 688,401,971
7.0 beta 3 18R5340d 15 N/A 3e2e06240171e2792e6f2f17a0b6e2f68b3f6a3e.zip 663,415,376
7.0 beta 4 18R5350e 15 N/A c9c10c283746ccb6945498673d24a65843d4e844.zip 628,152,591
7.0 beta 5 18R5361d 15 N/A 9f4c8f520c7a36786790d854963819b69a736006.zip 443,516,477
7.0 beta 6 18R5368d 15 N/A da7fedd7acc5b11989987bb134d4fe98e73e48f4.zip 436,408,491
7.0 beta 7 18R5378a 15 N/A 054607e73714448aace72dd8f2dc0eed47884330.zip 427,473,564
7.0 beta 8 18R5382a 15 N/A 18ec817615714f9e879f9c97cdaf3687efb37044.zip 427,463,553
7.1 beta 18R5552f 15 N/A 8baaec05a0d0bc154db743fd2450a41f23686219.zip 328,084,824
7.1 beta 2 18R5561e 15 N/A 8040378dcb0ef49722d4d8ae3c44bff19174708a.zip 236,174,609
7.1 beta 3 18R5572f 15 N/A 5ec756c7e5ddb635c6875be0007b4bafef971662.zip 154,239,689
7.1 beta 4 18R5586a 15 N/A 235c2934646efe0e598dc76d5d24108134df199e.zip 118,828,084
18R590 N/A 15 N/A f8145c413beede4e46c174b3d03850684276ba0e.zip 1,752,279,864
6.1.1 17S449 15 N/A c99e70c74caa06c75142fe120ff311c5032a10e3.zip 1,081,591,940
6.1.2 17S796 15 N/A aedfcd0f8f0590bcd14cd825f6d55900bf696c52.zip 1,081,325,665
6.1.3 17S811 15 N/A 087f1dbe1671190fea953ee394b0b40833b56095.zip 1,081,325,660
6.2 17T529 15 N/A 6fd4de52314fa00f73c80c7e3645224729ce1e9d.zip 1,065,514,509
6.2.1 17T530 15 N/A 844b2388516d2a0217723445dd818094c8a95e21.zip 1,065,515,005
6.2.5 17T608 15 N/A 4af4032ffe7ecc459516d23c398925207ced70f2.zip 1,065,475,363
6.2.6 17T620 15 N/A 5ebcf932a10e9006c6bb792ee6a30c439e1de7d9.zip 1,065,473,025
6.2.8 17U63 15 N/A f2578fd1cea0dd9e02401f05cb138725fba05f74.zip 1,065,335,286
6.2.8 beta 17U5535e 15 N/A 4e4d951efd4b50b15fece433372eec92f3398abd.zip 1,065,843,361
6.2.8 beta 2 17U5545c 15 N/A 2bb4f4fd30b22d82f83015f0f916d93885c80de0.zip 1,065,781,527
6.2.8 beta 3 17U5559d 15 N/A 80e250b888bad21d38ddd9fdb5a8ba48dc7a5e40.zip 1,065,730,004
7.0 18R382 15 N/A 25cc5c03b793e6e5bff3cfee7a9984a87cf48d4e.zip 390,160,740
7.0.1 18R395 15 N/A 59cf1fcec8a882d881025fda8d133ddc594643f0.zip 390,108,160
7.0.2 18R402 15 N/A 7dbef0df689c64e39f5d5f7ef2613318abda0e48.zip 390,073,917
7.1 RC 18R589 15 N/A 3f0faff800b1c1caccac2bec281f9ce83d839600.zip 62,611,753

Watch5,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 79cf2c68d478b441f52e3bf48484f14f8261d9df.zip 719,240,925
7.0 beta 2 18R5327h 15 N/A ca66bff3d7852ba720192252a559a7093031318d.zip 692,449,415
7.0 beta 3 18R5340d 15 N/A 9d244b2f2c7a363400ba811fe257d0e2174078ae.zip 665,775,718
7.0 beta 4 18R5350e 15 N/A 0fac05bd8abb28b1a409f42208ab63ed5375d43c.zip 632,146,948
7.0 beta 5 18R5361d 15 N/A f6e5ee46f96dfccf677c50b008932f704086f965.zip 445,728,425
7.0 beta 6 18R5368d 15 N/A 24e08970fd4a308d95f7fa8cd592f25abc4355d1.zip 438,192,976
7.0 beta 7 18R5378a 15 N/A 99b48943331b7983b2c5687799543dabdb981700.zip 429,541,497
7.0 beta 8 18R5382a 15 N/A 23a3f13d52ddc6469aba2c17b2f34f024f80bf82.zip 429,526,232
7.1 beta 18R5552f 15 N/A 118ec133ccf4ec2475318b5e149a63965ad3bcd9.zip 329,683,395
7.1 beta 2 18R5561e 15 N/A 55077ff6bd5c87143aab16ac9911c5b43f95d7a5.zip 236,490,162
7.1 beta 3 18R5572f 15 N/A 4830b3cb9c3203d1c9dfc68472d6ea6d9df38c23.zip 154,298,135
7.1 beta 4 18R5585a 15 N/A 75b4912fdf8de53de02ce6b72ae32d598ac3af65.zip 118,860,066
18R590 N/A 15 N/A 3dc412401be2540c3f2e7739523c38f0cd3f6732.zip 1,729,409,597
6.1.1 17S449 15 N/A c777d46f1ff6ba545d55e3211ea2e13b3b5f1fe6.zip 1,086,946,852
6.1.2 17S796 15 N/A fabba27721f79376bcdf75fad69517c2af79d91f.zip 1,086,675,093
6.1.3 17S811 15 N/A 832a47549978b22929b4999729529b34b18720cc.zip 1,086,680,168
6.2 17T529 15 N/A 0a61aefc2e5d22b2effcd89637c0fd9d4fca765e.zip 1,070,629,826
6.2.1 17T530 15 N/A 7cc15c680bf4b40b7406496483ce1c24747b8e1b.zip 1,070,630,438
6.2.5 17T608 15 N/A 77215871ff20a7ada1449e2699624dfd298a68f8.zip 1,070,616,714
6.2.6 17T620 15 N/A b8ba0a83fa115aa83deff5b7b526a2b0cad01911.zip 1,070,614,037
6.2.8 17U63 15 N/A 20005fc311016193cfdd9cda6444612f041d61ab.zip 1,070,483,728
6.2.8 beta 17U5535e 15 N/A 35c1c60e4a5f95cdb219051382e5731300c1758e.zip 1,070,948,924
6.2.8 beta 2 17U5545c 15 N/A 7503da98fbb3cc98aba69cc071a718020cd92971.zip 1,070,886,472
6.2.8 beta 3 17U5559d 15 N/A 0d53ce28b4e4ffbe2b2fb690350669ab9042e404.zip 1,070,834,282
7.0 18R382 15 N/A 8fbee55b77c6b33e5356a77e8f976681cc20547b.zip 390,433,600
7.0.1 18R395 15 N/A f0405905b9e571b72cb2cc026411d5940d4edcc4.zip 390,390,963
7.0.2 18R402 15 N/A a9f4423470f44035288fd88ea605b66791114507.zip 390,356,754
7.1 RC 18R589 15 N/A 82d5ed3b738f7b0797fb02d3cf5bbb40fe5ba10e.zip 62,646,338

Watch5,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 452d8b43da643f63c4f982f2b38c3ee6e85ad348.zip 741,642,076
7.0 beta 2 18R5327h 15 N/A e2437a9d25807615f84def239f5a05e494f0cd12.zip 714,088,738
7.0 beta 3 18R5340d 15 N/A 8fa3af570fb43392217b9a1404e41e3579d170cd.zip 688,315,486
7.0 beta 4 18R5350e 15 N/A f68dcbff25db119ce0e17a6dc31ab327e7ed54e7.zip 651,506,246
7.0 beta 5 18R5361d 15 N/A 0e676048573b5fdffdb4f2f255dd86a333f21741.zip 463,496,263
7.0 beta 6 18R5368d 15 N/A fa081111c0f2b66b556f6ec443809d39b293eba0.zip 455,011,735
7.0 beta 7 18R5378a 15 N/A bbbfe140eff68374dc0f47cfe01bec55a25b7632.zip 445,603,537
7.0 beta 8 18R5382a 15 N/A d07c5a59a5c7ea5c2148fb91be2795c844431a59.zip 445,544,134
7.1 beta 18R5552f 15 N/A 3b9a144d53f99887d38537f9adbed387f3495ce4.zip 347,241,410
7.1 beta 2 18R5561e 15 N/A 2ddfdec51d26aafcd05c7084938f282a432fca84.zip 256,562,344
7.1 beta 4 18R5585a 15 N/A 6adb7772f028832af7c5fea2dff2b4e33cd919ab.zip 124,462,349
18R590 N/A 15 N/A d88a200eb29e9c0252ce52229f646f8ac4c185bf.zip 1,798,118,937
6.1.1 17S449 15 N/A 5b7857526cd005c0829d07d7f298ffb12e4f5da6.zip 1,112,448,966
6.1.2 17S796 15 N/A 344bcc81ba56521be6cea1bed500c2f5dcefdc4a.zip 1,112,051,067
6.1.3 17S811 15 N/A 8c9a3afcae69e6fb3e9a1bc4166a6ab2e8f788c5.zip 1,112,050,501
6.2 17T529 15 N/A df63c5c4652f3eaf4cf1820ffc307af5a441beea.zip 1,096,593,552
6.2.1 17T530 15 N/A f991ed1ec3e752c7f7dde77fa62a6553fd193bac.zip 1,096,593,247
6.2.5 17T608 15 N/A b86c8f2fef26bdb4cf1f1a8a84d6f99b99e3212b.zip 1,096,475,489
6.2.6 17T620 15 N/A e7a2f61fe66b42b8ac159c2fe24508ce62e81dcd.zip 1,096,471,571
6.2.8 17U63 15 N/A e69e8e9256a9478b55cf87a7cac747abfbbb49be.zip 1,096,346,901
6.2.8 beta 17U5535e 15 N/A bc8b40de849b1c6893964bda4c375e4546203625.zip 1,096,871,406
6.2.8 beta 2 17U5545c 15 N/A 9bf1dce45f144593a40f7f2206bfb472aee529ee.zip 1,096,809,209
6.2.8 beta 3 17U5559d 15 N/A 679019788ea8fdc4840fb00f29245b87e441a2c7.zip 1,096,676,213
7.0 18R382 15 N/A d1d9e6dd045a6103041349f19bc98aeccd75944b.zip 409,821,741
7.0.1 18R395 15 N/A 02d3008d75a1bd5abafcf117ee0ca9208ececf46.zip 409,754,211
7.0.2 18R402 15 N/A 2302aab9f963f688610e9a44473e4ac398927fc8.zip 409,614,529
7.1 RC 18R589 15 N/A 4abce64a88f5e111c2e86b331e8b88cdd442a63f.zip 68,499,135

Watch5,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.0 beta 18R5310a 15 5 November 2020 N/A 42a8dca2e2252379477735545f722e8bb11fdefc.zip 744,595,677
7.0 beta 2 18R5327h 15 N/A 966a43075620b25050d320ba078616ea0d736f10.zip 717,232,629
7.0 beta 3 18R5340d 15 N/A 250faae97c114f24770a37a6506c85f9f18adab0.zip 691,698,102
7.0 beta 4 18R5350e 15 N/A a29b77a4d32feaecf0a0c5914ddb65b5975b21fe.zip 656,969,942
7.0 beta 5 18R5361d 15 N/A 25ce6d375e49f2c2040181cdc8beec2708f66333.zip 466,060,326
7.0 beta 6 18R5368d 15 N/A 5ca7aef4207cada520e63ab43d3837deaa51e989.zip 458,261,394
7.0 beta 7 18R5378a 15 N/A 5bc06677af24c4dac8d822261e87c4d52cf0f2db.zip 448,615,330
7.0 beta 8 18R5382a 15 N/A b37d05adf67748628f289b480f2bd870653f931a.zip 448,547,166
7.1 beta 18R5552f 15 N/A d7843dfc60693a79f1aba47960ae2d11ca8b8df3.zip 348,903,997
7.1 beta 2 18R5561e 15 N/A 20a930b3bb9eb81669f7b416218cad3d216fc06c.zip 256,875,515
7.1 beta 4 18R5585a 15 N/A ee988d2a2fbdd8efcc439e9a3c1c8e35e7816980.zip 124,516,596
18R590 N/A 15 N/A 8d7a6d35bbc2c61451460572198b69f0f96ab675.zip 1,773,506,492
6.1.1 17S449 15 N/A 0064190c9d3a1c348dcc147c1e7e570e4781c63e.zip 1,117,133,618
6.1.2 17S796 15 N/A 538859d8606f4ba1300dd2dd37aeaf3aa2ef1487.zip 1,116,744,264
6.1.3 17S811 15 N/A d9dbc11435962e31d09e9a100a153c915a2dd87b.zip 1,116,746,354
6.2 17T529 15 N/A 60b7e54c4e8070ea84dca5f042dd552710364124.zip 1,102,745,862
6.2.1 17T530 15 N/A 5d94af094e12bab02f65df8527c1bfe5f766725c.zip 1,102,746,043
6.2.5 17T608 15 N/A 611ba2edd9d3ea3e965839cd5c8d911e0948ccd8.zip 1,102,178,125
6.2.6 17T620 15 N/A 612db3337648cf79d353dd42d3a9490ca61bc061.zip 1,102,175,540
6.2.8 17U63 15 N/A 7f1d3e9677f59822f85368ba18141aad344c42ec.zip 1,102,054,770
6.2.8 beta 17U5535e 15 N/A 6ff52e93d9bdd990babe32d6c6656a031be2dfe6.zip 1,102,201,014
6.2.8 beta 2 17U5545c 15 N/A 48221039be115f7183acaed7654032a9971827f7.zip 1,102,138,601
6.2.8 beta 3 17U5559d 15 N/A d210bf89ec22990cbf2ba79f4033da235aca4a06.zip 1,102,017,095
7.0 18R382 15 N/A 9d417ecf05d16f86018da157d48e6fe13b9bc6e2.zip 410,064,845
7.0.1 18R395 15 N/A a0b83412c873c7cf9df529360311da3de989e5f1.zip 410,023,457
7.0.2 18R402 15 N/A 2aee67306a9b526d1d46d1d98405d3b2f2ba08ea.zip 409,877,952
7.1 RC 18R589 15 N/A 57bff2e3100b82dfb9736f953aa78fe67a2ca3b6.zip 68,536,170

Apple Watch SE

Watch5,9

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A e8685a3ba09870e6f815f06da47e02a0f7d66b04.zip 328,087,743
7.1 beta 2 18R5561e 15 N/A fc138ddf0c0897e21d4d428eafa60ca8b3e56beb.zip 236,203,676
7.1 beta 3 18R5572f 15 N/A dec8d4cffdd0d989b7e53b11149891af4fee6f64.zip 154,272,100
7.1 beta 4 18R5585a 15 N/A 7b4d67ab3b5775ab4f65b72a809d8a99630a6274.zip 118,782,004
18R590 N/A 15 N/A 96ed1cd5db6fc182f11ab9897e9986aefcc2a80e.zip 1,752,328,789
7.0 18R382 15 N/A 07a1ff8bd2819c8bf9344a69d8e5817ec124569b.zip 390,062,796
7.0.1 18R395 15 N/A 496b4c2e47b5d8c1347e32313d5cdb4f73c813fa.zip 390,020,025
7.0.2 18R402 15 N/A 4672337b98f6fc65f97dfc0b6e173bb205aa7896.zip 389,985,788
7.1 RC 18R589 15 N/A 56477db31841ec1a08c89385029490a60ebbc58a.zip 62,584,612

Watch5,10

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A 809de191f9a76b059add5cea756068720a11db16.zip 329,678,246
7.1 beta 2 18R5561e 15 N/A adce0a0b6114931aee75572b98d49c7597bc4c01.zip 236,523,404
7.1 beta 3 18R5572f 15 N/A 12be076a8364f2d92bc4b171b293bffb57b9ee03.zip 154,348,016
7.1 beta 4 18R5585a 15 N/A b50919ee9e997e62c0592a4e890c30068abcf024.zip 118,833,315
18R590 N/A 15 N/A cf4d572dcf27dfa4f26af9c648bc729c81b1bd0e.zip 1,729,303,245
7.0 18R382 15 N/A bf5e20fbd5009172dbf8b9f2682bed4615e9192b.zip 390,336,514
7.0.1 18R395 15 N/A c5ab6becc5d0ebcbee4e0f458972753b80c7b3a2.zip 390,300,986
7.0.2 18R402 15 N/A 3de9dc65b7dec9de8a42773a926ca8d5727cc570.zip 390,262,695
7.1 RC 18R589 15 N/A 2c9adc8129f89b346f04d1e1ffbcbef17fdb791f.zip 62,608,913

Watch5,11

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A f2d2b683bc4d098d6fa69bfa7862481f9928bf93.zip 346,623,364
7.1 beta 2 18R5561e 15 N/A 039672d7400f1689a4812eff5a478eff21b172c0.zip 255,980,185
7.1 beta 3 18R5572f 15 N/A 693d8feab56750ac2c5d843ded5e4580a151b947.zip 160,951,571
7.1 beta 4 18R5585a 15 N/A fb47ed18b57400a31e4859b0c3ac736cd68f2e00.zip 123,787,865
18R590 N/A 15 N/A 4735a5baf9516118cb9e873e283b1bb6139c99bf.zip 1,797,913,226
7.0 18R382 15 N/A 7161ff42589c771fac3daa04f557c41ea214ab24.zip 409,205,956
7.0.1 18R395 15 N/A 5a95944f2bf17331fae60ad2927481ee62c4da41.zip 409,166,721
7.0.2 18R402 15 N/A dcea34f88d299786d805434ef052388f976477b4.zip 409,021,995
7.1 RC 18R589 15 N/A 530c92087392a68cd0bd68d12da8dc6da9366068.zip 67,820,564

Watch5,12

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A 915ded35e50a156ff4f8dbdd29b123f9e5ab6f73.zip 348,309,821
7.1 beta 2 18R5561e 15 N/A 8b6441fc917e7277bf83206559648d193373fbd7.zip 256,300,657
7.1 beta 3 18R5572f 15 N/A 464d8845b3107dfadc6bc496840bd612988929ee.zip 161,008,438
7.1 beta 4 18R5585a 15 N/A 88a7cc26403fa985e6a54761981b148f341b3aad.zip 123,829,671
18R590 N/A 15 N/A dd979831e178ba81ab9cbd1682cbdf2063a02517.zip 1,772,601,376
7.0 18R382 15 N/A e3469cd2cfe84055ac477d57ef2e8d1e42ebbde9.zip 409,512,727
7.0.1 18R395 15 N/A 6bd5cc264349f785cd7d61530caff17e967e8392.zip 409,447,793
7.0.2 18R402 15 N/A b9d16b6735fb6a848afc79695c3652702ba85bb3.zip 409,306,578
7.1 RC 18R589 15 N/A 97401553badc1298a6f1708e4fc6cdcec2a111eb.zip 67,851,140

Apple Watch Series 6

Watch6,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A 58227b2eb2ac0ac13d316c76be06b305d0ec958c.zip 318,146,614
7.1 beta 2 18R5561e 15 N/A c2f2919e9850e13e56b3e83bda7832bd518c3fe7.zip 226,029,891
7.1 beta 3 18R5572f 15 N/A 32140615ff6c27509e811983ee51300edd5bcfcd.zip 144,090,306
7.1 beta 4 18R5585a 15 N/A 54f93688cf3dcd7947ab3ad424f5da916724920a.zip 108,577,548
18R590 N/A 15 N/A dd96f3664f2f9c86e9f127842fb95e52f64afaca.zip 1,742,859,141
7.0 18R382 15 N/A 1ec27d5d5b90778f3ce71f1db8994897a80a6db1.zip 379,923,988
7.0.1 18R395 15 N/A 1605f6d1fdb2320df0d093a3f363a87247ac6f7f.zip 379,869,347
7.0.2 18R402 15 N/A 21d40d09b70622c900359925a6b09800619c0e9b.zip 379,834,243
7.1 RC 18R589 15 N/A 180d90834d75208e53b9d97ccdc0e80a4cb3f51f.zip 52,368,325

Watch6,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A 1078275f309905792d7d9c172cb263f4a6323ae9.zip 319,751,955
7.1 beta 2 18R5561e 15 N/A 75ffe30f24771bb49420af8149f817c3ec16f6f1.zip 226,352,519
7.1 beta 3 18R5572f 15 N/A 02a211e45848560bab3f4d7deb7f97f2ae6f499e.zip 144,147,866
7.1 beta 4 18R5585a 15 N/A 56c7be345728d56d4f1bfb1e9bae029ae5bca82c.zip 108,634,739
18R590 N/A 15 N/A 7e3dc2cc31fbe31b635acd4baa510fc3a7fbec31.zip 1,719,191,902
7.0 18R382 15 N/A 74119f9872eab5625aee38881510fe2d89686d64.zip 380,209,412
7.0.1 18R395 15 N/A c385ce3f27e66c8668a7e45abf7fb4437327b2b0.zip 380,135,766
7.0.2 18R402 15 N/A 1e512f868173b221c1824e2b1d86e07c5fad4ba5.zip 380,099,676
7.1 RC 18R589 15 N/A 46ce4fd37768647056e6b1d56f8e487b06a67d85.zip 52,416,872

Watch6,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A bc2269d8a9dfea064da5d474c1659ba692321f32.zip 336,751,544
7.1 beta 2 18R5561e 15 N/A 0e4cc403a5c40a109e97c35877a6155ec758f73b.zip 245,778,390
7.1 beta 3 18R5572f 15 N/A 781c403f1d5cd40686dd149986f35416d45d826d.zip 150,759,700
7.1 beta 4 18R5585a 15 N/A 214d65d2238d46c95bdc9060ee9c018b6ae4a8c5.zip 113,591,790
18R590 N/A 15 N/A 14ca1e9771097bcdcda64295361c8647cf7e1900.zip 1,786,568,645
7.0 18R382 15 N/A 02b3325841134a6ae4913e016b227ad0dcc87faf.zip 399,235,335
7.0.1 18R395 15 N/A f894c63671901b5e90eaf37726756ea2a641b914.zip 399,152,113
7.0.2 18R402 15 N/A 49b70cd2dedc289cb1d2307d0c7de8455f5e519c.zip 399,054,152
7.1 RC 18R589 15 N/A 3f169379fbd48efee61e16f094310ff2a8c6c871.zip 57,607,516

Watch6,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.1 18R590[1] 7.1 beta 18R5552f 15 5 November 2020 N/A 48e7b1537a9f36b099cc06b6d62e94030e85e677.zip 338,453,175
7.1 beta 2 18R5561e 15 N/A 3c657bfa6c3fe8fa972ac3828f7ae6f59c1cfbfc.zip 246,153,705
7.1 beta 3 18R5572f 15 N/A db04c36492015e83424fa344d5994bc1825ac699.zip 150,823,447
7.1 beta 4 18R5585a 15 N/A 639655869c266c53d04a1be4272a407c0ba04767.zip 113,633,920
18R590 N/A 15 N/A 0980cd8d127e85f9058f59f65722419a2ced6be2.zip 1,763,395,854
7.0 18R382 15 N/A 9ae7f8d787e5122dddc04a0ed38007855911759f.zip 399,672,036
7.0.1 18R395 15 N/A 5d4951078f24c4f38fbebbf6bab01535b398f89e.zip 399,594,500
7.0.2 18R402 15 N/A bc27314f65790028317d5d27f6dacef296f31d79.zip 399,495,670
7.1 RC 18R589 15 N/A b7984359ad3cb56f07b7f0eb6b5d82c2501c8fcf.zip 57,643,398

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. 18R590 was listed as 18R6590.)
    The listings on this page use the build number displayed on the device.
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