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OTA Updates/Apple Watch/7.4.1

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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
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A f58fa0ef4023f33e6ece665af2353ef555c4185a.zip 675,113,940
7.3 beta 2 18S5793d 16 N/A dc09dae67f400b3eab5cffe9eb15b63fdff80f15.zip 674,181,766
7.4 beta 18T5144k 16 N/A c27d591fcb0f702c3defebc273410b86ce012226.zip 390,625,102
7.4 beta 2 18T5159f 16 N/A 4adf3570cfbb6cdca90d344a8bdd3d02b23e9111.zip 303,508,317
7.4 beta 3 18T5169f 16 N/A b6b84a36f5a54a13064f3c290fffbb14e48057dc.zip 230,238,607
7.4 beta 4 18T5183b 16 N/A 0c8f90b600c5ccd348562acebf2e72ed8a6530b4.zip 193,672,478
7.4 beta 5 18T5190a 16 N/A 820fd0030d7b49ff839e081f79df6b826d5e286a.zip 189,251,589
7.4 beta 6 18T5193a 16 N/A d0cdd3fb5127902a3d69e754434ea73c8d3ed6b7.zip 169,887,893
7.4 beta 7 18T5194a 16 N/A 28db76769bab6b3eec4ec39d077d03b5c46a7ece.zip 169,037,316
18T201 N/A 16 N/A 40cec55b60c1fd9cb562fa086a4fb3c425a1e29c.zip 1,779,566,102
5.3.6 16U662 16 N/A 1e9c1ff7e0f837f28d322c63d257734a4da3217c.zip 1,286,001,731
5.3.7 16U674 16 N/A 0d046036f975395090a74887cdf816ed69afcf18.zip 1,286,002,980
5.3.8 16U680 16 N/A 01f277673c8dd07999d48b596d3c7d6a7eb4003e.zip 1,285,992,606
6.0 17R575 16 N/A af0cccb8c75a0eb24902013a8f1236cea29360ac.zip 1,182,072,506
6.1 17S84 16 N/A 7bc6b5cb54f6a5f01141636fcae7bd24935711f0.zip 1,119,631,432
6.1.1 17S449 16 N/A a78318558411d1490e27475036b8a5d380004138.zip 1,119,761,950
6.1.2 17S796 16 N/A aa0baeda218d8de1e744f7385e187f615dcd3020.zip 1,119,711,414
6.1.3 17S811 16 N/A a881b3d16a63f34563da0096aaa645fd604d5e8f.zip 1,119,713,088
6.2 17T529 16 N/A 2ff4158d63758dd8816721ea3a7db229d1a1e9c8.zip 1,109,119,639
6.2.1 17T530 16 N/A 128beac5c23c8881e22fbe3f7935fa23844aa291.zip 1,109,119,321
6.2.5 17T608 16 N/A 2c30c0561c2fc1e94cf738b44fcc638b61897110.zip 1,109,248,189
6.2.6 17T620 16 N/A 608bffd27dc6c9d2be62bea807113530f5311504.zip 1,109,249,446
6.2.8 17U63 16 N/A 4c47b385afe109f077e89e83549cdf5a95301f4d.zip 1,108,239,937
6.3 17U216 16 N/A 6922c7300d00d5e0134f53fd640de6b0570a51c0.zip 1,108,255,260
7.0 18R382 16 N/A 150bcbb480e7272bbfd35587a90e9fc9ed956183.zip 744,403,126
7.0.1 18R395 16 N/A 30471ec301394de743db8a31d06d6cb91e85908c.zip 744,401,354
7.0.2 18R402 16 N/A bfe210bd2d43bb3f8def1080430d07918f5ae7ed.zip 744,398,032
7.0.3 18R410 16 N/A 9ba87d3df99fafd694fddf31dcc263376de36aed.zip 744,394,230
7.1 RC 18R589 16 N/A 9eb40b8dcf8fda10dfa457cee4dbcabaab082d06.zip 697,067,279
7.1 18R590 16 N/A ed7e15d1a9dfbf12fd9ce0a831e6acc8b25d5801.zip 697,065,835
7.2 18S563 16 N/A 9a6187e810e059c58a7016c98b430145bfbcdf4f.zip 678,216,585
7.3 18S801 16 N/A f86dffcc6f9bdc47d06c551eba0cf8c417eac5f2.zip 672,873,111
7.3.2 18S821 16 N/A 8201cdb55c905d4aa5078cb289c9edf3d33a053f.zip 672,859,874
7.3.3 18S830 16 N/A 1ac0ce1b370376a03a3bc72e6f2e20fa3f682817.zip 672,862,935
7.4 18T195 16 N/A 2faf78390bd7be220f718edc06492c724060dc22.zip 81,793,870

Watch3,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A e7cc20d5a725a080fd10d76bca5e47404ebb7210.zip 675,095,349
7.3 beta 2 18S5793d 16 N/A b8f63bad2b608bdad8814a68a743443742e5c15b.zip 674,191,043
7.4 beta 18T5144k 16 N/A d47e042068140600b9b9038ee0c8ec386dfce196.zip 390,686,145
7.4 beta 2 18T5159f 16 N/A 822e8baafb1e6db08c7069059a82c73ef786db07.zip 303,502,333
7.4 beta 3 18T5169f 16 N/A f1e12b481c8c444c1392ad91f2edb2b79a3f2c61.zip 230,247,508
7.4 beta 4 18T5183b 16 N/A 0d083d60ce124ce0f4557e6e975719f969c2d60c.zip 193,681,723
7.4 beta 5 18T5190a 16 N/A 63492ead7d13e6860a111d5c51e9a663bae088aa.zip 189,269,697
7.4 beta 6 18T5193a 16 N/A 8856d8d51414e5454a12f3c612412396173ef6cb.zip 169,902,032
7.4 beta 7 18T5194a 16 N/A 93da79bb8281275d2e5eb70a3c769d3b41a5546b.zip 169,052,000
18T201 N/A 16 N/A 0ae7e78e5a70f2ae296530de8ec1da6010996ef9.zip 1,789,504,006
5.3.6 16U662 16 N/A 3d4a526b898035db066362b8f97252254b7b362a.zip 1,289,153,393
5.3.7 16U674 16 N/A 79b0d43ebbcdf85679edcf2cbe815fc8aae9122a.zip 1,289,155,423
5.3.8 16U680 16 N/A 4fb4e6ddf0019941ddab3a5ddb799b6fbbccbc7d.zip 1,289,143,305
5.3.9 16U693 16 N/A 841eef2ef8c0b6abf3f0f8555993915a1ec5edd6.zip 1,289,136,137
6.0 17R575 16 N/A cdf18f5dc444be655d8adc713438db0e5ca4b0f8.zip 1,183,747,249
6.1 17S84 16 N/A 6cb3ac5b3324234a6102c7235945abecbaff9cb2.zip 1,121,448,278
6.1.1 17S449 16 N/A 505a432f3649cbcb2652d8f85516d7904e6448f7.zip 1,121,473,837
6.1.2 17S796 16 N/A 0c90191a1534ecba9978056e7f81e94b5a844f7c.zip 1,121,427,467
6.1.3 17S811 16 N/A fa1181a125ddf39eb4ba17b7dd2540be492bc10b.zip 1,121,424,990
6.2 17T529 16 N/A 931423d5d85dabfe4a7a300b5e201a23de86d3b3.zip 1,110,894,790
6.2.1 17T530 16 N/A f086eab043a48090c3c6ef841ca215789ce879d6.zip 1,110,895,644
6.2.5 17T608 16 N/A a681f7f35c3e0aec4a93adc05eab50ab58f31bdd.zip 1,111,017,796
6.2.6 17T620 16 N/A 4ba604c32a08fb671dd8d38a7ab7deae384bd90b.zip 1,111,017,336
6.2.8 17U63 16 N/A 0fa4409f89f5498ad13ef1adf0cdaf4fad3dc75b.zip 1,110,014,494
6.3 17U216 16 N/A 2449fcb828f1e96b3912afaa485f39b623bb24f9.zip 1,110,024,073
7.0 18R382 16 N/A ab910953d799f5e5125fad951d0c9f34782b178d.zip 744,356,053
7.0.1 18R395 16 N/A 9224dec91273862ee0f5bb2b5e856039a915f5cb.zip 744,353,613
7.0.2 18R402 16 N/A b5c785b87a0f2d2ab344d9b71ebf5e08d9074e83.zip 744,350,328
7.0.3 18R410 16 N/A a46993b31ab94d9ae37309f62e9102a50badd19a.zip 744,352,329
7.1 RC 18R589 16 N/A 6926d74a2e949949dc714ab5c3a9612cee024fa6.zip 697,030,739
7.1 18R590 16 N/A ad6e98881c5aefa0c2ed80ceb9720ae538156967.zip 697,025,326
7.2 18S563 16 N/A b2faca9827eda58ababbf3da17bbc02ac96a4d67.zip 678,203,028
7.3 18S801 16 N/A 5adf3533f1abcd980360c7761ac3142b5cd3de13.zip 672,841,159
7.3.2 18S821 16 N/A b4fede542f202b298b24ca4b844974b5b24fa096.zip 672,835,181
7.3.3 18S830 16 N/A 1a65a40fad986b8e9aeebca088b353c418a16dde.zip 672,834,887
7.4 18T195 16 N/A eaa16bb9f2a916ce15ea7a1e855113b0c565bc29.zip 81,807,208

Watch3,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 2f2aa07bcb84768b0209d4eed46bd3ab7ee5b9ac.zip 641,707,388
7.3 beta 2 18S5793d 16 N/A 4be1435575e0ccf292e0fcb8e0e64c7449c27ed6.zip 640,828,760
7.4 beta 18T5144k 16 N/A 020495adef8c1b5ce82eda0d616771b41f3e2c82.zip 357,902,790
7.4 beta 2 18T5159f 16 N/A b1703743cdd8e8ef5b0ee6f8f0544c8056779fa4.zip 269,421,824
7.4 beta 3 18T5169f 16 N/A bb4d7fda4fede94a0241ca4278b7d9e585fad2a0.zip 223,419,147
7.4 beta 4 18T5183b 16 N/A efe4860043e24af93d31276262456b1f647d8f94.zip 187,292,537
7.4 beta 5 18T5190a 16 N/A b1bd81f1394a6c2be6840ce45374edb96dff8a52.zip 182,979,166
7.4 beta 6 18T5193a 16 N/A d24344621fb5579bc4e3811bf8be0b7191b7f52c.zip 162,636,488
7.4 beta 7 18T5194a 16 N/A b8c9dc28e9340f1c08dbb6e0f7d3bb577b779824.zip 161,805,283
18T201 N/A 16 N/A 96f2a4e0f3bf8ff7157038ccca84f2b6f1a03f90.zip 1,712,898,206
5.3.6 16U662 16 N/A 5c9c6e321711e219f4673fe036d798679df93993.zip 1,247,777,701
5.3.7 16U674 16 N/A 263ab7efc811afe3181b629684027490e52f95ec.zip 1,247,782,180
5.3.8 16U680 16 N/A 634e77f9ad239ba223c1193128176d514a8d56ca.zip 1,247,770,689
5.3.9 16U693 16 N/A 5d85bd19e5f856fdd2f251b4605d470a856ce566.zip 1,247,759,227
6.0 17R575 16 N/A a5b04b5aa47bb52131ecb9209d3984498b3ff013.zip 1,143,104,428
6.1 17S84 16 N/A 1f0120e0289d199fd3da48142b65329bad0f8ea9.zip 1,081,867,194
6.1.1 17S449 16 N/A f221aeda7e77de3bdee244fe115121c16ee8b1a5.zip 1,081,060,374
6.1.2 17S796 16 N/A b357c0c95a5351da6199ca25f04d322f4f05aa41.zip 1,080,992,314
6.1.3 17S811 16 N/A 0ec6edb7a51de36bb0ccb658c3ff483ce6611f21.zip 1,080,992,623
6.2 17T529 16 N/A 4457371e51de08ca159f8d6c2f5ea1eb07e38685.zip 1,070,865,460
6.2.1 17T530 16 N/A 8fb7484fb4a6730c37fe6878c5c0d99446f95c5d.zip 1,070,864,209
6.2.5 17T608 16 N/A abe202148febc4957e2a4bbbab64008986fe266e.zip 1,070,883,253
6.2.6 17T620 16 N/A 33189ea0c9da4aae6558785e9568b8e48097b185.zip 1,070,883,985
6.2.8 17U63 16 N/A ccad012e182c751e5d860b2835443acd316e0966.zip 1,070,817,578
6.3 17U216 16 N/A ff5da1fd60c9c052234388fef54281425cf1cc38.zip 1,070,831,224
7.0 18R382 16 N/A 8d8cb71dd99835031e1038a2b6eb4ddd8de7609e.zip 711,084,741
7.0.1 18R395 16 N/A 4037ed3f8cdb83ba6aee97659b61e6a2c927bc49.zip 711,082,278
7.0.2 18R402 16 N/A 7398851e601432e6ad993765fc8738ca7b65358c.zip 711,080,035
7.0.3 18R410 16 N/A 97a776be6dc0e68fcdc625b2e82ee47df571810f.zip 711,079,476
7.1 RC 18R589 16 N/A 3cc5206d2f8cf397c4aaf67f697ffcce0f79f27b.zip 663,837,349
7.1 18R590 16 N/A 7261ed17f9c4bfbb733aabfe094e95417ed01fc9.zip 663,837,305
7.2 18S563 16 N/A 872bae9d500596b78daf11d8fbfa601bc15ebe12.zip 644,866,464
7.3 18S801 16 N/A 7b8c5d482b33d6c84c960a54e0529a75a1673798.zip 639,610,528
7.3.2 18S821 16 N/A 8a6189d8a7a27143d7e22bd118733205ec831e96.zip 639,604,073
7.3.3 18S830 16 N/A a12209de2c95a12c6849e1ea4b1c61d8d8aeca52.zip 639,605,289
7.4 18T195 16 N/A 063a31ec2a4678afe9f0b1c0cccc0f731080221c.zip 75,882,460

Watch3,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A f838a956fa3332b2a023e70ec588fabc7c59e827.zip 641,674,268
7.3 beta 2 18S5793d 16 N/A 7b207ff3e46a49094ed8248344138d6500e44ba4.zip 640,816,431
7.4 beta 18T5144k 16 N/A 12a6c95f42d9ab27e188a65681c4b45c0f623455.zip 357,933,621
7.4 beta 2 18T5159f 16 N/A ea2f552b96454c453262c67155abd49628a8b47a.zip 269,416,186
7.4 beta 3 18T5169f 16 N/A 3c255b320e4e3e07802ae7772b3fe8edab5d8d2a.zip 223,423,495
7.4 beta 4 18T5183b 16 N/A 9b8c8c326dc5af16477690d5e1c0c7a5713a02d9.zip 187,312,265
7.4 beta 5 18T5190a 16 N/A 003fb6dd9644d103ab315c21fd6f6a0acf08696b.zip 183,000,350
7.4 beta 6 18T5193a 16 N/A 062328fab23fcdd0ccec7b75ee048c8c2a460afd.zip 162,654,424
7.4 beta 7 18T5194a 16 N/A dc1e5422fc1b5ff51195cbecaa5ce353ed10b0ed.zip 161,832,378
18T201 N/A 16 N/A 222c471ea4bb40b0dbc5267610488c420c625e1a.zip 1,723,233,278
5.3.6 16U662 16 N/A 2e67aae51ed1fc800d3dcb036aff40eea44e8295.zip 1,251,454,985
5.3.7 16U674 16 N/A 98cb227a11121de9cfa31f304e1481ff83ebeeea.zip 1,251,463,260
5.3.8 16U680 16 N/A cf09d0fdb7b915590b9cc4d9b979763e54d5de09.zip 1,251,450,310
5.3.9 16U693 16 N/A a3fe38071a52e6058ceec7496c8e372dade4ecdd.zip 1,251,445,952
6.0 17R575 16 N/A de106efdab2cc56648e29ef8800ab365f520b9b5.zip 1,144,904,127
6.1 17S84 16 N/A 5ff7b0b8b37863ba22bdfd4c39b30b6b9ab4cb74.zip 1,083,480,388
6.1.1 17S449 16 N/A fb0f6e684c3302cedae7eaad4f9b1c59ad49e818.zip 1,082,754,966
6.1.2 17S796 16 N/A 8a9735170b6f7f9f4508344f0501232cbfb8ad44.zip 1,082,695,802
6.1.3 17S811 16 N/A 00353a3cc205ca8ffb28b58345c76f61042a8496.zip 1,082,699,161
6.2 17T529 16 N/A b30102604b553ccc07e453b33cb874623d3120c0.zip 1,072,566,338
6.2.1 17T530 16 N/A ed3633a407fd0ece966fa50c3e422290fc3dc8db.zip 1,072,565,197
6.2.5 17T608 16 N/A 2697773725c9eccf847e245b9f4ca47497118d06.zip 1,072,646,959
6.2.6 17T620 16 N/A fa310132547dc0f962eb03fc4f19131174731d8e.zip 1,072,647,594
6.2.8 17U63 16 N/A 311a8bb3c9dd67234e2fa417b40f24cfbf076697.zip 1,072,575,310
6.3 17U216 16 N/A 60043e653a58420eb4b2da8d4320badd5a03a70b.zip 1,072,591,975
7.0 18R382 16 N/A ee57243440ad73d8fa07102667454f4e3fe89706.zip 711,009,595
7.0.1 18R395 16 N/A 5779695dcbe1ec59618540ba4bf724fd11a78f47.zip 711,007,468
7.0.2 18R402 16 N/A 033a9b8a204132b7c49a5eba21b5288fe3daeb3b.zip 711,007,167
7.0.3 18R410 16 N/A a85f5fb987ac2d8e5ab5d1f0d054ec6f3803dcdd.zip 711,004,549
7.1 RC 18R589 16 N/A 261689cbe0d88a679aabad770dd2d9caa8cc27b6.zip 663,809,101
7.1 18R590 16 N/A 9524e007e28fcecb896702334a6a06dca1a7a79b.zip 663,806,910
7.2 18S563 16 N/A d89c3b72a18130a4430a3c17a6434f6821f7b928.zip 644,837,149
7.3 18S801 16 N/A ce487dfb0ffc6f32ba18664cfe9274e9065b97b8.zip 639,586,111
7.3.2 18S821 16 N/A fbc37b01b7112ad51ded32bfdf378c235e3947d5.zip 639,581,451
7.3.3 18S830 16 N/A 050942a09876660ac47bba3c25d2ae73dfcf914f.zip 639,581,471
7.4 18T195 16 N/A 9be69791602d3361b3e458cfb96d28daa5be04d8.zip 75,899,009

Apple Watch Series 4

Watch4,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 718ccde64ef8fa043ad0f4cacb819f30656913f5.zip 584,035,325
7.3 beta 2 18S5793d 16 N/A c863fd879ba4de36927ed5a3adcca384ce6dea11.zip 583,089,817
7.4 beta 18T5144k 16 N/A b9e28989497714da90d5be541baf379ff86419f7.zip 325,474,619
7.4 beta 2 18T5159f 16 N/A 7318495b6ed10e426307c7f2bf097a22a000bdb9.zip 237,882,904
7.4 beta 3 18T5169f 16 N/A e1969d5c98c7f51cfd56b3c60c5cd4c9ce91b1ea.zip 191,823,822
7.4 beta 4 18T5183b 16 N/A 15ca8f0045eeb5f004e9fe3c32762ab1d2bce3e9.zip 158,948,522
7.4 beta 5 18T5190a 16 N/A d960bba027d35406778f9b1c2acf1772e6fbb741.zip 153,921,439
7.4 beta 6 18T5193a 16 N/A 277d42938055ca64b6ed89aecf0e315ec00eca6a.zip 131,105,024
7.4 beta 7 18T5194a 16 N/A 34fb9b9eccb99e770ad00aa721062ab9738655d9.zip 129,972,231
18T201 N/A 16 N/A bd37c72c145159c7587a211f18bc4a8171b106dd.zip 1,787,241,276
5.3.6 16U662 16 N/A cd6668612a67f7bcdaece0bbd00ac65d90a30563.zip 1,292,850,051
5.3.7 16U674 16 N/A e809c683de244868d476b4ab63e9650668e9aaad.zip 1,292,854,637
5.3.8 16U680 16 N/A c4516fd7024d85a186b99a529f2b2548de702065.zip 1,292,847,342
5.3.9 16U693 16 N/A cf30a23d050b3c862708b0f2edfb0486557071c4.zip 1,292,838,767
6.0 17R575 16 N/A 4610f5ea68cd967131dfb8b328505df27f16672f.zip 1,184,106,378
6.0.1 17R605 16 N/A 6911a231c6fb1908362430ded07bbd691cc8ec4f.zip 1,184,094,094
6.1 17S84 16 N/A ecd4e923518ca02c4a0d1759d8f5b95037120cd6.zip 1,120,595,472
6.1.1 17S449 16 N/A 54085f2321e684598ebf67c7e1bd021734d5a355.zip 1,119,760,369
6.1.2 17S796 16 N/A 5815a2cfa4af03451f7870293f3229f90c3fe9e3.zip 1,119,713,276
6.1.3 17S811 16 N/A fea815c90da5c816e11b8980add5efff4d6c7fec.zip 1,119,710,038
6.2 17T529 16 N/A 54c755587fc77580fe34ddcb482dfcd3efaf2e10.zip 1,109,886,838
6.2.1 17T530 16 N/A eef547c0bc07656c0cf4df5ea7d42da90ea0e620.zip 1,109,885,743
6.2.5 17T608 16 N/A f9ac96f735b4c6055a1f8390b012b1961b7ed433.zip 1,110,204,281
6.2.6 17T620 16 N/A fa0fb86251c6c5efc8875ef8b6ded50364e82387.zip 1,110,203,649
6.2.8 17U63 16 N/A afa21995ed2de5b2026730d6cb6d5bc5ca36d83b.zip 1,110,202,558
6.3 17U216 16 N/A 26e214a0962930c3f53806b9fe22969c93af4240.zip 1,110,182,344
7.0 18R382 16 N/A 41c34a27baa8bc980c3a1c5ae3ddf1f3b371208e.zip 686,950,187
7.0.1 18R395 16 N/A 11021e20dfbf754b32ef6db8f3060fc9fe54c65c.zip 686,949,046
7.0.2 18R402 16 N/A df07644f78a629bff9b7f9d23c6c6dc2dc951c27.zip 686,948,565
7.1 RC 18R589 16 N/A 625aa0840fa48a49c29b9ed9794f9d944181c7d9.zip 624,604,252
7.1 18R590 16 N/A c5b707e13ff15bdab4f5a152bfb30a04469d0c48.zip 624,604,152
7.2 18S563 16 N/A 2d5e120bef8df8d84a0c37c6c87b1f84b32ba355.zip 587,204,877
7.3 18S801 16 N/A 57e178dd47f50210a486df95a5fbc77883df70e4.zip 581,488,599
7.3.2 18S821 16 N/A a12ea54376da30fa9295645206b8346eba01df2a.zip 581,482,760
7.3.3 18S830 16 N/A 8cd809e93585f85dc22356b173a44c8c49141541.zip 581,493,705
7.4 18T195 16 N/A b070e4f98c85de2070c377976947abd76999517c.zip 66,180,556

Watch4,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 19c5b79cbc94f29a927f4748f2ea7dee3f8f0ab5.zip 583,938,199
7.3 beta 2 18S5793d 16 N/A d982f883837f2a38bddee83edd542cd1cb2791ff.zip 583,009,486
7.4 beta 18T5144k 16 N/A 71a433465fb205fbcf70b2b9f73e7702d50bd44b.zip 325,545,879
7.4 beta 2 18T5159f 16 N/A 36ca0f53f11143e18b6cb3edb11b5b1ef03e455c.zip 237,947,484
7.4 beta 3 18T5169f 16 N/A 4b6a3495426693ca6aaf5374657449b11f47a351.zip 191,873,044
7.4 beta 4 18T5183b 16 N/A e6bdcf16aefb2e17d86e22e8f19dd7441e88a661.zip 159,002,714
7.4 beta 5 18T5190a 16 N/A 1b2e2a39ea8f3bbeed2a448fa510958d827de937.zip 153,990,017
7.4 beta 6 18T5193a 16 N/A 3bb63b0b9bb07fec715734da4b79e6ad667d2668.zip 131,161,088
7.4 beta 7 18T5194a 16 N/A c9ffc052554f082d0a7991bb1cb78abc4e15d46d.zip 130,025,374
18T201 N/A 16 N/A 84f6ee01de7a1e75c5d8b564c3c28908158dd026.zip 1,762,184,840
5.3.6 16U662 16 N/A 51a1249384b23d8a958d461028b736333253c6c4.zip 1,301,033,698
5.3.7 16U674 16 N/A 829abff48daa64c8e86e9fe6c2fcdd1aae44b3a8.zip 1,301,036,155
5.3.8 16U680 16 N/A f05bc3763cd53d6a8be760422096a40840ef6216.zip 1,301,031,328
5.3.9 16U693 16 N/A c17a73b02be34bb0456189d1f373641e436b1cf7.zip 1,301,025,565
6.0 17R575 16 N/A 56dd6077372496cb091db995be6e62423e7158b7.zip 1,188,564,103
6.0.1 17R605 16 N/A 1a2bbd34a7d8d24ff007515f04075bdc6b19dd78.zip 1,188,628,680
6.1 17S84 16 N/A 79cf9997b8bf71238bdbc1ccfc0eb3c61352f0f2.zip 1,124,888,939
6.1.1 17S449 16 N/A 54caf69c14e925251b2dc62d29b0f28471a29802.zip 1,125,029,638
6.1.2 17S796 16 N/A d6684288c17145869175a7872ba524b44ba350da.zip 1,125,041,050
6.1.3 17S811 16 N/A 33880a8b5d43df5a139f7a5bed15c99b2ca14689.zip 1,125,035,783
6.2 17T529 16 N/A 10154d06d13534f1ce41e30e03ed9292f085a98b.zip 1,113,333,568
6.2.1 17T530 16 N/A 726324b91e3b45afe5e3c56c020df180456d9046.zip 1,113,330,219
6.2.5 17T608 16 N/A 99201b82b6c115fb3aab93157d49dbfee6590653.zip 1,113,929,981
6.2.6 17T620 16 N/A a84a4537817a0761238dc57e0df108501658603b.zip 1,113,930,405
6.2.8 17U63 16 N/A 3e42c76e04995410ef4a8bdf2cad0ce4783b5ac9.zip 1,113,450,438
6.3 17U216 16 N/A 2a305baac1d94998556dae21048fdbf3739d6188.zip 1,113,434,756
7.0 18R382 16 N/A f4f4dcafb4295ea0796c1efdfd907f289295f21a.zip 686,487,837
7.0.1 18R395 16 N/A 57d797022e4904997fcdb665bd7acc4f658d01ce.zip 686,484,022
7.0.2 18R402 16 N/A 9f797a097bb0863d97dc8ca4da48b9a8b8ce33bf.zip 686,482,098
7.1 RC 18R589 16 N/A 5cdce5bdf02ab38c42be45926581214180acdb18.zip 623,953,176
7.1 18R590 16 N/A 906e9653056fbaa8a5daa8ceef52b31da84128a9.zip 623,953,883
7.2 18S563 16 N/A 2c7a3c718f6c6ece2b5605af21cf4a27358a2ab5.zip 587,118,165
7.3 18S801 16 N/A c7a3c52955c259db1359c4b9b616efd8d605c560.zip 581,404,326
7.3.2 18S821 16 N/A f59c53e507a337b7a7204ebbf4eac7e0c72101e6.zip 581,403,246
7.3.3 18S830 16 N/A 8520306b554fcca3fe4ee920df004da2255b390f.zip 581,406,842
7.4 18T195 16 N/A 83479a906fd7498291dc7c49845cb13e09c3c822.zip 66,214,547

Watch4,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 033ff1857bf58b99e139d2ac9edc43740d4e1404.zip 608,051,289
7.3 beta 2 18S5793d 16 N/A 7b03a307d4b7dc45f1f578c1a69858b20f66aed7.zip 607,030,810
7.4 beta 18T5144k 16 N/A 9494439c617f65033ad8f2951abdf1b3ed25d84a.zip 346,112,705
7.4 beta 2 18T5159f 16 N/A cd5e734240c55be554392df73712bc63e83eb1b9.zip 258,036,797
7.4 beta 3 18T5169f 16 N/A 4542d69d58c4f9f80033fc59c17c8b4f4b003c0e.zip 201,085,539
7.4 beta 4 18T5183b 16 N/A 1d56cad1274f7ecae4e5d3e81875523130ae0f0b.zip 168,460,846
7.4 beta 5 18T5190a 16 N/A ef6467fdc2148d2ef8cddf18a231c89ed75f2865.zip 163,294,919
7.4 beta 6 18T5193a 16 N/A 4d97e12d2181f660f93ed6970f570c0004f0bb05.zip 143,464,057
7.4 beta 7 18T5194a 16 N/A 20089abf40440806afea760932be71a5498d8566.zip 143,147,303
18T201 N/A 16 N/A 3ee6ea663d24e493fdb335bd9ebfd4ff7c3b51ed.zip 1,829,446,034
5.3.6 16U662 16 N/A 769ad2456afc2dc842baec044d15ebe5c92530d5.zip 1,323,927,207
5.3.7 16U674 16 N/A ed4e4ac5ec670d6a29613a2a0c7e348df59d9cff.zip 1,323,932,383
5.3.8 16U680 16 N/A 586d2863613f8d735364f850c6f12131c6504459.zip 1,323,927,672
5.3.9 16U693 16 N/A c88168a1919c5624c3885014980110049e34e54d.zip 1,323,920,570
6.0 17R575 16 N/A a1a8e6acb44a6587e12fdb75ad6e9386d0aefd69.zip 1,215,375,733
6.0.1 17R605 16 N/A 03dc310ea2cbf9dcd57760d358e0b9bfca656c90.zip 1,215,371,788
6.1 17S84 16 N/A 4e9eb6906ecb0ac44861d86ffa1c3fca3365014c.zip 1,151,198,112
6.1.1 17S449 16 N/A cea93f0f3b9fc2a242600bac15257c00cc9aaa1c.zip 1,150,915,418
6.1.2 17S796 16 N/A 6493ddf40e1b728e1b26951eea9f211f5b7c589b.zip 1,150,634,349
6.1.3 17S811 16 N/A 690ba99e9c042dbfab9bfff483b832f6537018ef.zip 1,150,632,698
6.2 17T529 16 N/A 8a8bcea6eca779b68c933d15894fe2a5302c3851.zip 1,137,266,016
6.2.1 17T530 16 N/A 917a2802b3899e9d4bb13e053a1aeab3e929616a.zip 1,137,264,590
6.2.5 17T608 16 N/A 7a5b5d9646965d67125e89f54b42dd4fb9cb7169.zip 1,137,322,171
6.2.6 17T620 16 N/A a61df525daf727ed24dfb22ea7a89f34cabcffa4.zip 1,137,323,189
6.2.8 17U63 16 N/A f2ce56a79ea31cbe609b87dbd4e07f88e70bf1af.zip 1,137,354,192
6.3 17U216 16 N/A 48c553186ba5ffdb1423659fb3d7e2eab8e6dcbf.zip 1,137,338,325
7.0 18R382 16 N/A d92cb1e9574f8d3356db5659a96a0bd6b387a27c.zip 711,268,666
7.0.1 18R395 16 N/A ea2f38fb9bd3156654da4d7ef0d87b092b6cb52e.zip 711,266,486
7.0.2 18R402 16 N/A 0d6884f8d07851f1488049157d181ec1911d2836.zip 711,267,355
7.1 RC 18R589 16 N/A 24afb2089bd84649a9193974b4711b7c4b11fb6c.zip 648,504,481
7.1 18R590 16 N/A 6625affda63958ccb1a366b6c2e6ad5cd4386953.zip 648,502,699
7.2 18S563 16 N/A 0ba0a7e0f503624d2c7ca25b7e2c8e22f224c286.zip 611,142,147
7.3 18S801 16 N/A ac8ff99c3e1a64f78ca080e61786784e646d6948.zip 605,696,342
7.3.2 18S821 16 N/A d45fd6dfe193d4d6b5154603175988538f93972a.zip 605,696,501
7.3.3 18S830 16 N/A cf7251f398ca673cd1b5bb244d44680d55289bdc.zip 605,700,155
7.4 18T195 16 N/A da2fe669c136604c67ad0a6d7e860bf27655ff85.zip 72,123,461

Watch4,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A c9ff091e608fefb433b35019669f8fdeb6a4c99d.zip 607,977,288
7.3 beta 2 18S5793d 16 N/A 9d8c04f6b2e857bf40ebbe4604e2c7ba863d8fec.zip 606,941,423
7.4 beta 18T5144k 16 N/A 24cdd5084e10497510c9630aeadb0b3769bdac0f.zip 346,184,763
7.4 beta 2 18T5159f 16 N/A 7f7b83a51726950d54db7a35d8e29bf1924df366.zip 258,119,075
7.4 beta 3 18T5169f 16 N/A dab48ac72e112320446f17e19437b9f86708c089.zip 201,147,076
7.4 beta 4 18T5183b 16 N/A 2fbf60598844b91bdf62d3a8f9aae94aea89515c.zip 168,524,349
7.4 beta 5 18T5190a 16 N/A d83080d89340be40432e12b66e2be630d6d79203.zip 163,365,929
7.4 beta 6 18T5193a 16 N/A 3529a7db4b5824f13356310b646bdc351b831855.zip 143,529,082
7.4 beta 7 18T5194a 16 N/A 49f498fb6ab6bf9561a5782658c044e9384d6f7b.zip 143,214,258
18T201 N/A 16 N/A c575e02bcfd6c45edb07cc305e566c69700bb286.zip 1,806,674,844
5.3.6 16U662 16 N/A c28e301ddb79de22d0b38bcc29f977af64608277.zip 1,332,590,127
5.3.7 16U674 16 N/A d9ad38ef40d0f8b3c7ee525cda6fd2efa0b28108.zip 1,332,593,852
5.3.8 16U680 16 N/A 5e1c143cb7027c1f592fc2a2dbbaacf68c07a40c.zip 1,332,587,838
5.3.9 16U693 16 N/A 62a0cba8a0274db1132b87791a46dcad8063bbb2.zip 1,332,584,153
6.0 17R575 16 N/A 1f1225e70694a7e8dd0e23c1494749bfa2c78487.zip 1,219,750,564
6.0.1 17R605 16 N/A 0e11e5706ffd25fb29822b638688c615a00ac633.zip 1,219,707,690
6.1 17S84 16 N/A 8d2444eaa36d79f1b0b23b338f13a301a8fc771c.zip 1,155,310,035
6.1.1 17S449 16 N/A bac5c160ca3bfab2e859b1ec9c0541f6ac084df0.zip 1,155,839,060
6.1.2 17S796 16 N/A 673cdc8b7f5e0cf8d94de7deb2daeff4b276f066.zip 1,155,565,493
6.1.3 17S811 16 N/A a7356d270f27d8d1b57dc808a5ca04e18a56198d.zip 1,155,563,102
6.2 17T529 16 N/A 36beb5b6473f16f5e2bbfc3a65e9d269769e2d62.zip 1,142,393,902
6.2.1 17T530 16 N/A 5be47536bd5fff4c193bc020ceb98bcdc07ab3f3.zip 1,142,395,176
6.2.5 17T608 16 N/A 0b6b60b3d0ffa32d499a24e6f587954fff135854.zip 1,142,684,197
6.2.6 17T620 16 N/A a785922555492d9a3cd91451fa46a1b4f100ed49.zip 1,142,688,213
6.2.8 17U63 16 N/A 7705b0e932de7ff8115cbc816b9b0888ed902800.zip 1,142,574,852
6.3 17U216 16 N/A 5afae307af7c2681bab4d25b6ccbc8653b9f6b3b.zip 1,142,556,258
7.0 18R382 16 N/A 0130f98aa9481999e53600bdb58456e3b94930d4.zip 710,818,012
7.0.1 18R395 16 N/A 69594ca4904ab235ea5a77b0c78ecb8ff37df62e.zip 710,815,601
7.0.2 18R402 16 N/A a38065c8973552f8e77cf84d74229f69fe9112eb.zip 710,814,944
7.1 RC 18R589 16 N/A ee3d82f2b6c3f22dc676e0ad3ab476788f0349f0.zip 647,832,303
7.1 18R590 16 N/A d7eb40d54e77d8b954e04da89bacac3a9f9057d9.zip 647,831,839
7.2 18S563 16 N/A 4d448ca0b7392a6886ccbd8a8ba3a0c884c13d02.zip 611,058,312
7.3 18S801 16 N/A e997a15fda04898dc6df2b25b050e2b3de2786fd.zip 605,627,850
7.3.2 18S821 16 N/A 1e9189e9f982adc080617a48ed81942f7244f296.zip 605,634,297
7.3.3 18S830 16 N/A 26e4865d2b6ea876c5a357773ef7839ddefee4cd.zip 605,632,196
7.4 18T195 16 N/A d56c638a1bb60e4a6de0c923fad4809f6f0de00a.zip 72,166,185

Apple Watch Series 5

Watch5,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A d8304592ad5e85b91b9d39f178b2c78ac4f4ed66.zip 584,610,733
7.3 beta 2 18S5793d 16 N/A dc50894fa7f585f2473f873554fbf90f0abbcdd5.zip 583,666,244
7.4 beta 18T5144k 16 N/A dca27d912c506449d15c31a73a43e91eaee310c1.zip 325,982,675
7.4 beta 2 18T5159f 16 N/A 89591aef66eb50399881b969d71a32563c1baa81.zip 238,327,183
7.4 beta 3 18T5169f 16 N/A c0bbe869ebb286a758c31a7c6ecde4a5af0441b7.zip 192,246,555
7.4 beta 4 18T5183b 16 N/A c976989757f5cae4bbe752224a38ef801c3d5e0b.zip 159,350,944
7.4 beta 5 18T5190a 16 N/A 0faa5e70ad879d8ced6e9cba03abb04246beaf83.zip 154,318,545
7.4 beta 6 18T5193a 16 N/A 10303053500b6d01a5c7a78feaf73f027506ed35.zip 131,530,531
7.4 beta 7 18T5194a 16 N/A 09b16526554aea124f4ef94c52f51e6ee44d09b3.zip 130,406,629
18T201 N/A 16 N/A edfe525d3c3adc0bba106b272e07f947b9921c0a.zip 1,787,521,819
6.0 17R575 16 N/A 4a9bd9bd66a023ee9d8f810216bd8e921e524bd7.zip 1,185,248,213
6.1 17S84 16 N/A 1d3419c4e462a01d5e1261c55fb6cf6f8b9d7bea.zip 1,121,641,982
6.1.1 17S449 16 N/A 4de7ae9d3af9fe04e129a0ed04903e96fa5c217e.zip 1,120,707,884
6.1.2 17S796 16 N/A 8153534d7b371aa3cfcf3d70605b32fabc2c4181.zip 1,120,401,626
6.1.3 17S811 16 N/A ec8e1d8e0993cca485e6542cc0fee72cbf9e6b83.zip 1,120,396,988
6.2 17T529 16 N/A c5b28091575d4058ad9a620d859d8edf39413f73.zip 1,110,637,875
6.2.1 17T530 16 N/A d67e70562a7725f27861f70217c25d1781b6f5f5.zip 1,110,636,270
6.2.5 17T608 16 N/A 2caaaf5ebea826212665e09943b499cfbacbe10f.zip 1,111,027,927
6.2.6 17T620 16 N/A 1824973f0e37161ed8626ea38db2995744b28fa6.zip 1,111,031,071
6.2.8 17U63 16 N/A 36d87917a40bcf0dc78f7b18e9291cb386f8ce6b.zip 1,111,012,862
6.3 17U216 16 N/A b835dcba42cfe12888e7a7413549a150ccb04f8d.zip 1,110,998,424
7.0 18R382 16 N/A 31e947ebeaa2e1c62a05cf0a2d4a572ba989afcd.zip 687,590,791
7.0.1 18R395 16 N/A f45a2398bcc3e0b37bb2c7ab1c37da85c4f4ea04.zip 687,589,264
7.0.2 18R402 16 N/A 3b420df7b1d38d0cf2aea246add850857c178998.zip 687,586,368
7.1 RC 18R589 16 N/A a1c9d69dceafbee4a49838baa1c57214729981ee.zip 625,173,453
7.1 18R590 16 N/A 7387777b2869bdb588d92ac6f1ee1c9bf199119f.zip 625,171,936
7.2 18S563 16 N/A 9a195fa8e1d0cf6f745f104ce285d1fdf6d65acf.zip 587,788,495
7.3 18S801 16 N/A 3e484c4b9bd69a88bd68565a209028000b30f874.zip 582,057,279
7.3.1 18S811 16 N/A dbd42cd9aa6718ddc4618087adcbe5e19f1a1e5e.zip 582,050,987
7.3.2 18S821 16 N/A 41e02f871637bd9ebe6a5b80e0736e9677723366.zip 582,051,172
7.3.3 18S830 16 N/A 9e80bb9b94bfa02933dd862a292dfe3ebb232316.zip 582,055,306
7.4 18T195 16 N/A 542b36c4485d702159da63a5af04f1456b4b7da4.zip 66,586,577

Watch5,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A b183247b8f00824f0751e619efe43096ba8600e4.zip 584,513,843
7.3 beta 2 18S5793d 16 N/A 2e19799d6e493e5b03d69513449ee7bb1d6307ff.zip 583,576,758
7.4 beta 18T5144k 16 N/A 26e9a4ad149328682deba35abf9d56f723a03d4a.zip 326,029,757
7.4 beta 2 18T5159f 16 N/A 14c08ada2b4b773731387e01fc1313cc712bc002.zip 238,390,981
7.4 beta 3 18T5169f 16 N/A 42cf3d8cfc2bbed302bf760de3de1f5f0db0bcb2.zip 192,311,713
7.4 beta 4 18T5183b 16 N/A d456ea3fbaffbd6b3c1cd1d82515e0a8b93f2e9f.zip 159,433,698
7.4 beta 5 18T5190a 16 N/A 325b6cd1b4347edfb727baf8dc18fbb7022c0d70.zip 154,388,282
7.4 beta 6 18T5193a 16 N/A 5d4d694a48ef95bf3203d6d74391ebff43c90e73.zip 131,574,057
7.4 beta 7 18T5194a 16 N/A f0c00a0f3346b100d2670a1fd764b05ef246870e.zip 130,436,932
18T201 N/A 16 N/A aaa5ebea06eb476fb30868ecb9dd14ec67c36fe1.zip 1,763,067,544
6.0 17R575 16 N/A 13cce147d47b86186bc5c540a2f63d013b882cd7.zip 1,189,734,711
6.1 17S84 16 N/A cbce35541a531bb818170545a1eb05aff1b22a50.zip 1,125,756,753
6.1.1 17S449 16 N/A 5bb795b587543db692fe62e9ca270f0ec86ae8b4.zip 1,126,580,825
6.1.2 17S796 16 N/A 838ae9de984432b5870f6adf3032a2c68680ab1e.zip 1,126,318,176
6.1.3 17S811 16 N/A 7634604c4641a63e240e544b277c3ba0df8bf35d.zip 1,126,319,631
6.2 17T529 16 N/A cc0e6ab91d6c5d5e652822cc3536c3af4f5a313f.zip 1,114,186,679
6.2.1 17T530 16 N/A bc5cd853441397afda5d31ff904364e803c49bf1.zip 1,114,185,138
6.2.5 17T608 16 N/A b14cf0720dc3dafbe366087be53c0cf8944d8eed.zip 1,114,905,204
6.2.6 17T620 16 N/A 187ebe1b31806d5825219e611eac1e6dfd506329.zip 1,114,907,077
6.2.8 17U63 16 N/A 2032fdec0f80c2972b96870db54a5d421dd7131c.zip 1,114,443,950
6.3 17U216 16 N/A 6e18dbcbc70ac02aea5272959c4e3cfd1c5fe83a.zip 1,114,424,082
7.0 18R382 16 N/A 9094f8d03dae134df0d7dd9015e680ed864895fb.zip 687,096,298
7.0.1 18R395 16 N/A 937db29c243d1b82a91c7857f2e48cc8e80157e3.zip 687,093,227
7.0.2 18R402 16 N/A 3cc4861977f09339f0e22198a1c93588f851dec9.zip 687,092,705
7.1 RC 18R589 16 N/A 6b3570f2f2f3588eefda807172868b009426730d.zip 624,500,614
7.1 18R590 16 N/A 2820654a33c644c1bc2d809c8f38635e3da81aa1.zip 624,502,649
7.2 18S563 16 N/A 1b5ad678eef6f7e5d4797a504609e95463627849.zip 587,696,796
7.3 18S801 16 N/A d87d994e3cf4edf077c58a76192bf3cdd8c9e275.zip 581,972,041
7.3.1 18S811 16 N/A 2a407e87bc9b8778b63a980b9571d956f8ccb088.zip 581,968,213
7.3.2 18S821 16 N/A 1553817c7d61c83049e4dbb1c13d638f21029085.zip 581,969,017
7.3.3 18S830 16 N/A cf1ca3b7264c9f165aedb1bf458d4e1d5f609bf6.zip 581,971,540
7.4 18T195 16 N/A 8e225468d969f0d3d222836339236cb8c602aa77.zip 66,613,334

Watch5,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A fb0cfc40b33e8fc56d3e85ad80cd2f38bd0a1531.zip 608,643,048
7.3 beta 2 18S5793d 16 N/A 9c71f924cb81f2eba20a4b03c60c004c1910d8b2.zip 607,626,060
7.4 beta 18T5144k 16 N/A 5a043d84d6eb385802150025516fe266dfb8dfdb.zip 346,618,110
7.4 beta 2 18T5159f 16 N/A c255a699f72fe81a9dcbec8ae43baa3d7881ee9f.zip 258,475,209
7.4 beta 3 18T5169f 16 N/A 07d695d7e4f0dc0ec357a20a1f089b30747bb203.zip 201,525,408
7.4 beta 4 18T5183b 16 N/A 728cb0bad4e298b533d3107f1d01230086e2e445.zip 168,851,932
7.4 beta 5 18T5190a 16 N/A 1367e21549525a156f96b02cb029e366fff5cf64.zip 163,732,865
7.4 beta 6 18T5193a 16 N/A d54199baa8b198793d92bc6a0c726e7f6ef3e0a3.zip 143,891,410
7.4 beta 7 18T5194a 16 N/A ba6fa287c4bba9a98fca351edaab6ed5f03b6f00.zip 143,566,382
18T201 N/A 16 N/A 8859f71e50363e10e6f0254a2b4ed17a355dc9b6.zip 1,830,595,665
6.0 17R575 16 N/A 00857dda4b96f121e7fcd7eb47e3f25b63986442.zip 1,216,455,486
6.1 17S84 16 N/A e413790aaa2f944e3c2df1a25ae7f1844c29d731.zip 1,152,295,802
6.1.1 17S449 16 N/A b6ac15d98cd0e3a6a22d0e9b6936758e0c42f5b3.zip 1,152,053,734
6.1.2 17S796 16 N/A 39c549e86291e471c53c3247d5f02516d1abb226.zip 1,151,626,859
6.1.3 17S811 16 N/A c21b54716871b47a3a369c06a2cc1bf8cae238fb.zip 1,151,623,753
6.2 17T529 16 N/A aeca8813deeb49613d16c1aa202869357f2b8d18.zip 1,138,140,976
6.2.1 17T530 16 N/A 5cb75eec357938843c3c393aefcf67bfdbb31ff7.zip 1,138,140,634
6.2.5 17T608 16 N/A 802a1dab09557be2e25a725cbb69210cf82afa2e.zip 1,138,200,495
6.2.6 17T620 16 N/A c4f4cafcf3d1f723a07a8aa38f6ad8f78c86cc69.zip 1,138,200,053
6.2.8 17U63 16 N/A b5027edd789e0b73b37a103179922c2f4a7d3257.zip 1,138,246,039
6.3 17U216 16 N/A ac8ae2c5ac73fd8617ae372fb77cb3288985363c.zip 1,138,224,654
7.0 18R382 16 N/A 91cd47ed419594ee9e3a72b284c0b6d173777750.zip 711,877,752
7.0.1 18R395 16 N/A cbae2b2250adfed0957ffda1a6d05b9eb3d26765.zip 711,875,402
7.0.2 18R402 16 N/A afac53895dc2c4531660681695cec4e2b91a8619.zip 711,876,060
7.1 RC 18R589 16 N/A 746c9d4c0c475417388bcd6940b2326fe10d1094.zip 649,072,884
7.1 18R590 16 N/A e3f2d8ed2ad7ddb665217df21a5e2102fda50a41.zip 649,068,387
7.2 18S563 16 N/A 02b5d1b7e05f58e98ca298e864b485e5337f64bd.zip 611,728,280
7.3 18S801 16 N/A f2df817e2f8efe45ad8093462a7f364c9e4a1b72.zip 606,283,084
7.3.1 18S811 16 N/A b19a7e1be4c06ec464cdd0779cf1dadadbbfe8f1.zip 606,273,829
7.3.2 18S821 16 N/A c618846b763c0b1e4026289677717b34331eaaf0.zip 606,279,631
7.3.3 18S830 16 N/A 0024df4ddb987dfcaaaff110a633fa37a0fe10d3.zip 606,278,013
7.4 18T195 16 N/A 37b0ddffbf012a9387b0911f8f414ac39b97182d.zip 72,534,490

Watch5,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A ffca098d87ebf3257ee45d5c127f2ffbbb19f38d.zip 608,574,850
7.3 beta 2 18S5793d 16 N/A e346a6629e17fd951e999ec778b0c476c2301d6e.zip 607,548,587
7.4 beta 18T5144k 16 N/A 76229520b753d6b95ebc26c723bb7c06050428b6.zip 346,668,956
7.4 beta 2 18T5159f 16 N/A 12ebff5541a5c78e38562538370e42e75c6d3fa5.zip 258,530,697
7.4 beta 3 18T5169f 16 N/A e1de9c4c389f2a99ecf75cb45602ccda80d57d03.zip 201,574,363
7.4 beta 4 18T5183b 16 N/A 9c19b270db2b39577ed6ac1caf9d4e43577bf9b0.zip 168,909,286
7.4 beta 5 18T5190a 16 N/A 1634117e1e2d05956bb87aacf9aa58de3236272f.zip 163,802,792
7.4 beta 6 18T5193a 16 N/A 4aeb8f5c3941df39254554068557d297d903f71c.zip 143,938,552
7.4 beta 7 18T5194a 16 N/A b0d78b8db0c14b09edeb2c3520ca92449a4cc317.zip 143,617,520
18T201 N/A 16 N/A 17b314891222aa843d574e93ae7b595cfa4c7ac2.zip 1,807,570,276
6.0 17R575 16 N/A 2572832dbc427eb0efa837695163a2d81f2d8093.zip 1,220,780,552
6.1 17S84 16 N/A 8b9a8494fd46896475b626b7e68e96452657edc1.zip 1,156,547,035
6.1.1 17S449 16 N/A 74ddc36d1f45a8f7f849636930f3a6514f2696e2.zip 1,156,923,404
6.1.2 17S796 16 N/A e477b59f27d44525bfcbf9b386f12eaf46d0afef.zip 1,156,508,215
6.1.3 17S811 16 N/A 9561e361063977d099ce948938de1d2dbcf1e52f.zip 1,156,506,325
6.2 17T529 16 N/A 978da11361741d13c2bf4ff43e2acb4a58b42ab9.zip 1,143,364,157
6.2.1 17T530 16 N/A f389bdf713747af264fb72a62fefb5dd18e3119b.zip 1,143,362,768
6.2.5 17T608 16 N/A 74dec204dfc4ec015fa3e0e058ddb17c7d97e46b.zip 1,143,579,893
6.2.6 17T620 16 N/A ba63a4936c5dd75cca6ca7633518b699055c0379.zip 1,143,581,270
6.2.8 17U63 16 N/A 226521a9ab2390cef4286e78135d7fb57c4cff9f.zip 1,143,489,765
6.3 17U216 16 N/A 45d76e97d65026ea78da9ec26a2432e60ff563bf.zip 1,143,476,764
7.0 18R382 16 N/A be49782e320953c21c878b384dba483f5c20615a.zip 711,389,411
7.0.1 18R395 16 N/A 51dd550b73ad64763e88f1e25390e1dd5f0687ae.zip 711,389,460
7.0.2 18R402 16 N/A f049201d332ec176a6c3076377b46a13e4cb3edf.zip 711,387,173
7.1 RC 18R589 16 N/A 9d3ebccf4e4eb150be045bd13df6d16915c3a61f.zip 648,422,814
7.1 18R590 16 N/A 5bedb309eb7493f7c5c668ceed0aa69f774d0637.zip 648,417,975
7.2 18S563 16 N/A 29b77c2391b87089bb5666e948292fb50a6ef305.zip 611,645,281
7.3 18S801 16 N/A 3a22bf92f5779f9a70bcf93610d928d3c75b11fc.zip 606,203,200
7.3.1 18S811 16 N/A 29e71e6380a10720ec51432f6cd2d013349f43bd.zip 606,195,498
7.3.2 18S821 16 N/A a49730b436b63f40b9532c37344c9b689802d980.zip 606,196,526
7.3.3 18S830 16 N/A bbab73cd21a91100d9339773c2727426f57cd189.zip 606,210,025
7.4 18T195 16 N/A 43e773b7f7ef375cce1e5dd48c968ff11bda06db.zip 72,568,004

Apple Watch SE

Watch5,9

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A f6a7c49b49673644a11bc4ddfc2840b5b3d6a768.zip 584,619,152
7.3 beta 2 18S5793d 16 N/A b59394d9dc6b80fce7debb19696f70d5f410cbc8.zip 583,644,661
7.4 beta 18T5144k 16 N/A 59d985aa28fdcf8e34be64447178ce9b21333841.zip 325,946,991
7.4 beta 2 18T5159f 16 N/A 0f5ed41ad353f48cb4ba284b4885afc5c2d04a7d.zip 238,312,755
7.4 beta 3 18T5169f 16 N/A bfe3270a5509ddedbc937de037af62537230c2af.zip 192,227,471
7.4 beta 4 18T5183b 16 N/A 1f5b0cf77815b971cd7162613b300062fbb5049c.zip 159,329,999
7.4 beta 5 18T5190a 16 N/A c004e57be207a3361fea19b1394f15e145c44710.zip 154,303,589
7.4 beta 6 18T5193a 16 N/A afba2073ca1cd5c8546c907e4e84a19182767e2f.zip 131,518,472
7.4 beta 7 18T5194a 16 N/A 9269a9fc87eb46d6c57357dbce6f1f723b9b6d7e.zip 130,374,756
18T201 N/A 16 N/A 40f6d74923ad474f22f21f6a2d74b3e18d4b020d.zip 1,787,490,813
7.0 18R382 16 N/A 111f6e90038525572c8903a2df600b3ef0bc2a6a.zip 687,629,071
7.0.1 18R395 16 N/A b91869d803e11eb33ceefb560cb73265caba9caf.zip 687,630,162
7.0.2 18R402 16 N/A 77132d5d8e42e58cdce0281ceb8302aae13d00a3.zip 687,630,484
7.1 RC 18R589 16 N/A c76678533f625757b4c0fb3576b375ab1204cb62.zip 625,212,574
7.1 18R590 16 N/A ecf21d0f709ef64adf5b6ad98bc0bf48e84419fa.zip 625,211,764
7.2 18S563 16 N/A cbd97e072ac4f8df0426be71f5044645bd6c39d0.zip 587,796,105
7.3 18S801 16 N/A 1dd61ac3aa2df94a1fc4a10b5bc3500786f83cfe.zip 582,049,321
7.3.1 18S811 16 N/A e1aa92d3b080630ca3cdd889e93d3e6a5ebf5e08.zip 582,039,901
7.3.2 18S821 16 N/A cfecbddfca3d1e07ce15ef7cc0918d986fb2109f.zip 582,042,103
7.3.3 18S830 16 N/A 4a6eda9ac52c0e7d5059c35f57888c7bfe1e9cd0.zip 582,044,684
7.4 18T195 16 N/A 6f3c2546cb3512a9f7b0d9346e43f4478f824f4b.zip 66,561,313

Watch5,10

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A b793cdd1205d98785d039ad7c6fa885cefafa6b9.zip 584,519,653
7.3 beta 2 18S5793d 16 N/A 77e6fe2829af4d92cdeeebf4b01784eb81abf102.zip 583,548,127
7.4 beta 18T5144k 16 N/A 7ad7d78eb2a76f223c8427f5a2fe497b37241f26.zip 326,029,391
7.4 beta 2 18T5159f 16 N/A 320ec89980f8fcb2fa842e0ae5dd2fd4505c5d63.zip 238,367,475
7.4 beta 3 18T5169f 16 N/A 51c721438da170447e0f56d2e76b50eb1880ff6a.zip 192,276,835
7.4 beta 4 18T5183b 16 N/A 0aa12ed7b00643e11cdc28e4f98435ecd9668fb5.zip 159,394,010
7.4 beta 5 18T5190a 16 N/A ac59e27dcaae0b6f8381f3024293b6e7a19546db.zip 154,375,839
7.4 beta 6 18T5193a 16 N/A 37002977fd53d831a0d13a0b5e1b4cbc54761dd1.zip 131,574,720
7.4 beta 7 18T5194a 16 N/A 6e7c39d94d6e3ba8ea4d91204151062ea457b5b1.zip 130,437,104
18T201 N/A 16 N/A ee49d3759871daa08206daeceae7ca13fe20c4f9.zip 1,762,941,738
7.0 18R382 16 N/A ecf19174380b4de72963144696e600d64e89e108.zip 687,140,673
7.0.1 18R395 16 N/A 8c3bd96f9623c9165ab03bb56d3c64777d2fe9e1.zip 687,140,183
7.0.2 18R402 16 N/A 98749a0fd8f770de45c339542e8b3680005533af.zip 687,137,976
7.1 RC 18R589 16 N/A 1389c2f4d8b32bd1dcb1f79a35780d2f8fe2e422.zip 624,523,582
7.1 18R590 16 N/A ecfe61a1e68f3e1c4bc12e3e4106417e2870a194.zip 624,523,198
7.2 18S563 16 N/A 63bd9656d5a5133aa8e2b70c2f93427cdcba976d.zip 587,773,419
7.3 18S801 16 N/A d481d171c08892aeb74e577f0484670192bc50ad.zip 581,957,439
7.3.1 18S811 16 N/A b5cb9ade0741c58cb2bceb7ca5fc7370406c4546.zip 581,948,229
7.3.2 18S821 16 N/A 67e1b8c3c3cd88534e900dd0f60a01e4f867d4c6.zip 581,949,486
7.3.3 18S830 16 N/A b7f3f88a7caf1f99f1733413e776a294ecaac567.zip 581,951,930
7.4 18T195 16 N/A bf1e72f142b001784ff6d3c6136db7a665c2893f.zip 66,601,677

Watch5,11

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A b79a2d2b8027784c8801c7e57dd3863dd9d8bd66.zip 608,015,618
7.3 beta 2 18S5793d 16 N/A b155c5eabe9da1233136436729ed835a04fed9e0.zip 606,939,575
7.4 beta 18T5144k 16 N/A f8ee6c65adf5dd13321f7581ef1d821c93d31b5b.zip 345,944,057
7.4 beta 2 18T5159f 16 N/A 9ccc74e89b61931791c5689d28ef45d834115135.zip 257,806,943
7.4 beta 3 18T5169f 16 N/A 68cbd34bfaac5f92124950014b22bd157812dd90.zip 200,833,866
7.4 beta 4 18T5183b 16 N/A a0a904739138e0a5df57223517c72c86925da455.zip 168,171,576
7.4 beta 5 18T5190a 16 N/A c98553d5b7724471ebe6b1a236ab09939d1710b2.zip 163,042,137
7.4 beta 6 18T5193a 16 N/A 3a92f5ec2303dba3df3661519501693df0180167.zip 143,217,596
7.4 beta 7 18T5194a 16 N/A bbcefb84d439a62e9d530294c6dab98ed1e99dc8.zip 142,885,212
18T201 N/A 16 N/A 2658b650f6716e2da1940973388d6aff14d7f3ba.zip 1,829,633,638
7.0 18R382 16 N/A 06ebb6601c110e66ba13ad3e19312cfba6c6700d.zip 711,308,591
7.0.1 18R395 16 N/A fae850e789a575f069e9f0807703eb209e6121fa.zip 711,306,622
7.0.2 18R402 16 N/A 73c46dfc9a2aac0cc8a139645ac0acba2d6cafd1.zip 711,305,091
7.1 RC 18R589 16 N/A 6010721980e16f4ac6908996bb040a18ad25e507.zip 648,453,411
7.1 18R590 16 N/A de279526f870ad9cae223fc829dffe52df0f7307.zip 648,461,336
7.2 18S563 16 N/A 07291e52d8dff3e1aede2de39497fe19c893e02a.zip 611,123,047
7.3 18S801 16 N/A 1ae601f5c88c71b237105ab1fb624349758a73a4.zip 605,598,920
7.3.1 18S811 16 N/A e1f9518ee12482a67d3bb6f7edc56fb4845544d2.zip 605,592,530
7.3.2 18S821 16 N/A 563be74d4f6b273f1befb7cc8756eb2288ee91f1.zip 605,596,975
7.3.3 18S830 16 N/A b4435e45758a4bf74286b633d73f43074eb728cc.zip 605,602,252
7.4 18T195 16 N/A c92cbd858d12d6d8fd758620de490334f42d3659.zip 71,863,346

Watch5,12

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 04c2b73fc30218d5db0d8edf1e4e1b8c8e9b9284.zip 607,915,810
7.3 beta 2 18S5793d 16 N/A c994ca162e1af6002002d26ccfa239d5b218c912.zip 606,849,680
7.4 beta 18T5144k 16 N/A c8368e75dfbdd449ca9162c0dd6f248abc15ce01.zip 345,993,052
7.4 beta 2 18T5159f 16 N/A 3044f04670f346aecd2c2dafdf5cc6020b62ad6c.zip 257,861,568
7.4 beta 3 18T5169f 16 N/A c290a4b39434c1ca7d9ead878915857072164f51.zip 200,908,516
7.4 beta 4 18T5183b 16 N/A edd53e3643e8311980e2169f6d6098df94fe3c49.zip 168,246,455
7.4 beta 5 18T5190a 16 N/A bd26aa716795bc70587cdffffba7ded769a54c78.zip 163,102,327
7.4 beta 6 18T5193a 16 N/A 2c703d0bfc29d3f73cc01e2259ba917fe24e0f0b.zip 143,284,975
7.4 beta 7 18T5194a 16 N/A 44bb0404218713c4a7828fde875d8d6a1540868b.zip 142,953,339
18T201 N/A 16 N/A 0c9cfe1d06742553a2d8ece3ece759791d60cdf1.zip 1,806,860,565
7.0 18R382 16 N/A 00afe368e1b1d883226bb08427c142e7654943c4.zip 710,826,077
7.0.1 18R395 16 N/A bc95429c4dea2c1b8b6af3839d111edf1d7d8aee.zip 710,825,039
7.0.2 18R402 16 N/A 0d0b04e4711b15007a9e3847e322f8d2bbc5aa70.zip 710,823,114
7.1 RC 18R589 16 N/A b59a0d8e73954e414fe845e44725f31c31b02cea.zip 647,812,385
7.1 18R590 16 N/A 2b86c937c01a0a7a3d6709c4558f930552f823ec.zip 647,814,433
7.2 18S563 16 N/A b6d75683cc4d877a287e573490fb27d66010c5ba.zip 611,044,716
7.3 18S801 16 N/A 4082d351544ef4b4d8973697fc11aefbab63e6b7.zip 605,517,989
7.3.1 18S811 16 N/A 5b42a8e8f14a9b822d95caed9076a719dfa80d8a.zip 605,513,831
7.3.2 18S821 16 N/A 0f6cd3dba9145bb0abe4d838856c10a1b7ed5f6b.zip 605,513,797
7.3.3 18S830 16 N/A d814951c17cfb86c868ad6fcebe8e7432c4b141d.zip 605,517,999
7.4 18T195 16 N/A 3d526a914babe19123de6214f5d2bc1e8dbe6029.zip 71,906,353

Apple Watch Series 6

Watch6,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 4752f6af08b6372f334ae23ea066b57d0562faf1.zip 572,928,024
7.3 beta 2 18S5793d 16 N/A 615c39fe794eeb7fd3b180362bff09ef63cbf8a7.zip 571,919,673
7.4 beta 18T5144k 16 N/A 18225d5386f19257d5d9066cb4ac23d2350814e2.zip 314,099,340
7.4 beta 2 18T5159f 16 N/A 52c2395398dc103b4dc91afe985842177d50d635.zip 226,428,880
7.4 beta 3 18T5169f 16 N/A 95d3cc42bbe569aed82fe6d81329f70aa19245b0.zip 180,340,178
7.4 beta 4 18T5183b 16 N/A 7eeadd9bad3f45a6bc84341d1e4dccf7967a3e92.zip 147,430,726
7.4 beta 5 18T5190a 16 N/A adb9e44117a551729cf95cbb820a91a8f41a0462.zip 142,406,965
7.4 beta 6 18T5193a 16 N/A 18b35f6d69a436c0eb3de418727638f6eec32ea1.zip 119,613,211
7.4 beta 7 18T5194a 16 N/A e8f02794e4b97b7bb8cffa569908b5abf907527a.zip 118,469,766
18T201 N/A 16 N/A b4f6a2db712af6f93081d27ee9106b808a2778f1.zip 1,776,181,251
7.0 18R382 16 N/A e47eeb3b7e1be4baae568257224901c8ea55c90d.zip 676,067,522
7.0.1 18R395 16 N/A 0dded8f831d1e2e44252a760c9cf6040e0715a4b.zip 676,067,333
7.0.2 18R402 16 N/A fe806bd698e9ff7cbc53f53277143c3edd709c54.zip 676,065,441
7.1 RC 18R589 16 N/A ef2c68c59c1b4e36b5d623d7fc960ac3b3f13787.zip 613,510,788
7.1 18R590 16 N/A e1d3194205dc60a2ba4d926945df5fe5c7b50c34.zip 613,510,052
7.2 RC 18S563 16 N/A 7be28c153091910223af8ec72e124db2736ccb8b.zip 576,118,712
7.2 18S564 16 N/A 6be66d16cd2c4c3343d80998e53abd239564b14d.zip 576,119,010
7.3 18S801 16 N/A 2c0fc48cefa831f0d75f5ee17d43937fb8383710.zip 570,318,964
7.3.2 18S821 16 N/A 710a6b4879978fed87d6edd1067a1069a4cb4fc6.zip 570,316,684
7.3.3 18S830 16 N/A 821cf850f21c2089b746c82704253d177b26a014.zip 570,322,323
7.4 18T195 16 N/A 3d9e8fceace6cb9b66f8fe72b282b8b5ad280779.zip 54,654,707

Watch6,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A f348d1984db135292dd89f8abc55e23d9517a1c0.zip 572,809,366
7.3 beta 2 18S5793d 16 N/A aeb31349696e58779a099906b765a1869eeab165.zip 571,842,634
7.4 beta 18T5144k 16 N/A 4bcf1c21f90855d380ac0671ec434aefff2085a3.zip 314,138,378
7.4 beta 2 18T5159f 16 N/A b742d62f90b71a2adaba39225dec3389ca4265b7.zip 226,486,536
7.4 beta 3 18T5169f 16 N/A 7eded82bc58849e0fbee1621f26b06dbd181ce80.zip 180,393,420
7.4 beta 4 18T5183b 16 N/A f16f3ba021425557839679075faa3bccf0dafb56.zip 147,497,664
7.4 beta 5 18T5190a 16 N/A 71de67bbcc440bb77a8ad307ce13156033695569.zip 142,486,882
7.4 beta 6 18T5193a 16 N/A 85c1ce0e0a00748c53124330e1070f02d4f73c97.zip 119,693,284
7.4 beta 7 18T5194a 16 N/A d1cb7e5fcf8f72b0cc25ad59fcd1e780156db49f.zip 118,533,046
18T201 N/A 16 N/A 3a507af5eb670e26ab514b97c3b9f011b08abb92.zip 1,751,625,622
7.0 18R382 16 N/A 1023a0933bfdf54b145cee41f280d3330b22f9ae.zip 675,612,525
7.0.1 18R395 16 N/A 0a467cff2c8a897a3bc9443ea169a7c0199d4fc2.zip 675,609,653
7.0.2 18R402 16 N/A b668412cd81ffa07aff7b4db09df107dc9a3d296.zip 675,609,279
7.1 RC 18R589 16 N/A aabc45549fd6a599981c118d0ca590809ab791ab.zip 612,841,860
7.1 18R590 16 N/A 0e93e6a34f3362483e4f69747a4d89895c26a2da.zip 612,840,726
7.2 RC 18S563 16 N/A b3a81e0eff9c3d1ff1e210872a2a7f62cd3885c5.zip 576,101,245
7.2 18S564 16 N/A a52215217256a7102da81b3529f7e25e122fc649.zip 576,099,356
7.3 18S801 16 N/A 6b5b09ea39b644ad1c4f4fb2d9b96fbc38dab7ea.zip 570,244,349
7.3.2 18S821 16 N/A 339d00b04752a18a7cbd8defaa0434eb476d7d98.zip 570,234,950
7.3.3 18S830 16 N/A 0e113c2a0fd7ebca2eadfb875881be66483ea0d8.zip 570,239,717
7.4 18T195 16 N/A 20df808d75df24e8d547f7d9ae59ddf8e86f1584.zip 54,689,050

Watch6,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 97a730ca97f8bd4c1600b67ce23b62e891436817.zip 596,305,226
7.3 beta 2 18S5793d 16 N/A edd82af305d347b88fd7401a5c2f84788f5de632.zip 595,231,090
7.4 beta 18T5144k 16 N/A 642e124393f3bc4db2ee1deeb477f0fb5ed87fda.zip 333,769,927
7.4 beta 2 18T5159f 16 N/A 1f89c64b0aa934d8dc6150685823a76f5d4e1040.zip 245,918,123
7.4 beta 3 18T5169f 16 N/A 43b0f24e8915369863c6d74a251d9b148929a96d.zip 188,962,596
7.4 beta 4 18T5183b 16 N/A 69eadec3e56a5706bdeab8c98d87340db98625a6.zip 156,286,567
7.4 beta 5 18T5190a 16 N/A 4e69e44cdc32cf0e926ae19de5d94b519e33e48b.zip 151,171,188
7.4 beta 6 18T5193a 16 N/A 0d6ba3c6e806bd61d1f09f7984e805180b7b3c39.zip 131,326,173
7.4 beta 7 18T5194a 16 N/A 151e0bc75cf04510b32a87d71125e2e7c5aef10b.zip 130,992,517
18T201 N/A 16 N/A f2d2b0f85563349120660424037161fa60daab41.zip 1,818,707,245
7.0 18R382 16 N/A 97bc817122b245e2da556802c354b7d9430dddfb.zip 699,698,630
7.0.1 18R395 16 N/A 4068d2e9ef32de2ba526e3b4314b80d6acb29f00.zip 699,699,372
7.0.2 18R402 16 N/A a4a7136feba7a2276fe80002e1a0a6801bc4ec25.zip 699,698,697
7.1 RC 18R589 16 N/A 0b2ac83059a79bf6fdf4539c795c0e0233606386.zip 636,767,999
7.1 18R590 16 N/A 399a2de850de27a6eff40cc0a61acf386df6359e.zip 636,772,201
7.2 RC 18S563 16 N/A 43c2cbcda8e6ae56febfba6b3c1d36cbb2af9c5f.zip 599,421,335
7.2 18S564 16 N/A baa48a30551f72cde66ef0bfb2294316075d2e34.zip 599,415,361
7.3 18S801 16 N/A b9dcb2b1c18baea2ce498fb8e3126007949f4223.zip 593,889,062
7.3.2 18S821 16 N/A f9f6c94cb2742caf6e46e7619f245846f4f08314.zip 593,884,264
7.3.3 18S830 16 N/A 3b2f8be0a1b48153b6915f23ffede7869c3e4f8a.zip 593,884,589
7.4 18T195 16 N/A c672118a1e84a61df0c46505831cbeb461e428a9.zip 59,956,794

Watch6,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
7.4.1 18T201[1] 7.3 beta 18S5780d 16 3 May 2021 N/A 45131698cf2cb60d318c17922ff96e9fcff252e2.zip 596,220,186
7.3 beta 2 18S5793d 16 N/A aaa7ec7d740bb60d999e7d2167fae741579f9495.zip 595,143,650
7.4 beta 18T5144k 16 N/A 89420310875c1465531938a4f72310425f482704.zip 333,821,654
7.4 beta 2 18T5159f 16 N/A c8fc22d0936fa8a2a8e54c3b4b1561246ae03403.zip 245,971,124
7.4 beta 3 18T5169f 16 N/A c6cf50a9a27732989f251723a4bea5321d0ec067.zip 189,012,900
7.4 beta 4 18T5183b 16 N/A c04308a16d37cde53d1d6c339e43d04f27436f6e.zip 156,361,912
7.4 beta 5 18T5190a 16 N/A cd7dbe653dfe1de1ad9642084b43d5fdf7dfc3a8.zip 151,242,582
7.4 beta 6 18T5193a 16 N/A 4e034acbffacdb48e5b953a8dabc4f18752e9bec.zip 131,379,307
7.4 beta 7 18T5194a 16 N/A 4f7a4fc03edf4b6f50c6852b7a7f73944d898501.zip 131,043,625
18T201 N/A 16 N/A 55058441eeeaffe740457a0cddcd282ec9bff354.zip 1,795,491,716
7.0 18R382 16 N/A 0d7ee3fe7cc34d78b555de04af5fc703e327ebe4.zip 699,219,795
7.0.1 18R395 16 N/A 6e16834ca5abb389d2b090afc5ca0220fbb7e512.zip 699,218,581
7.0.2 18R402 16 N/A a8a9af9015607eeb55144c93636ca0a45e018830.zip 699,216,243
7.1 RC 18R589 16 N/A 089d0d36e2e30e85fff97f1c6ff37567d0bff0f9.zip 636,107,441
7.1 18R590 16 N/A 7d770438f6dc5945d5c87b787ad429b17cc7342b.zip 636,110,049
7.2 RC 18S563 16 N/A 69d0522e9dff4e28e190ba3b95e55043df735f6b.zip 599,347,637
7.2 18S564 16 N/A 6aecde8f81b21f5b8ea5203021b02917c4df969f.zip 599,346,375
7.3 18S801 16 N/A 5a1d17f9b957fda97115098fd182d71c1fc3f073.zip 593,808,821
7.3.2 18S821 16 N/A 665177cd802d2b24d5590505c566edcebfeb1812.zip 593,808,104
7.3.3 18S830 16 N/A 94b4deb293b26a63a931facacb202167222815e5.zip 593,809,970
7.4 18T195 16 N/A 0ec7baf2f922b86fd0be2c8cb88f60f3ad2c99f6.zip 59,992,928

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. 18T201 was listed as 18T6201.)
    The listings on this page use the build number displayed on the device.
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