OTA Updates/Apple Watch/5.2.1

From The Apple Wiki

Apple Watch Series 1

Watch2,6

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 5ac1ea5334fc672c8e059da737bcca1e161cd33d.zip 136,176,658
5.2.1 beta 2 16U5091b 6de209010a9e00555c82200021a159bcf1baf6f0.zip 117,796,386
5.2.1 beta 3 16U5101c 12025fa8a40196ca0c841c5b2f6da8299687c5b3.zip 96,582,774
5.2.1 beta 4 16U5110a b271cad7a01f156d25ff272a2d8ca6b266a917a5.zip 86,056,688
5.2.1 beta 5 16U5113a 5e2bbe7f26c1b93a341af9e520f35291a973441e.zip 85,999,922
16U113 303da30c742e6cc4fafd476e062b800b81761cf2.zip 1,354,401,868
3.0 14S326 029a121c44ee1918e3b831605859166bedd56785.zip 1,043,791,073
3.1 14S471 d9309f1c4b6953d022b7c99636207f9a0867e85d.zip 1,042,452,983
14S500 895d2ba2e3e255c4fffdeb4986277dab5a3c7991.zip 1,042,452,723
3.1.1 14S883 88b3f650c4a8c3384425496a12ffdd73a1227a49.zip 1,039,829,787
3.1.3 14S960 1e3110bcd35b7c9756a284cc4a762bbfc9954278.zip 1,039,828,656
3.2 14V249 d43385c84fd772e3de4c5d85497fae3ad4132f50.zip 1,028,382,094
3.2.2 14V485 b67a63f92bdd1e2d9499fe8a3ec0cd5bee213373.zip 1,028,375,682
3.2.3 14V753 629147339fd3670e1a6c9ce39c4fb577a1cfbecd.zip 1,028,391,824
4.0 15R372 d7ceca502338fcba3250ada40cdffda02a72c0c7.zip 895,077,692
4.1 15R846 60550b02450de26ff0f7d5f8301225fbe54462cb.zip 872,874,537
4.2 15S102 50f1bcfc994fa08c6f4f4e8653de40e223ca7796.zip 869,525,901
4.2.2 15S542 74982916fda33319cddcda5172fd710ee6472ae8.zip 869,476,438
4.2.3 15S600b 49d21db309d19ce87df34d17557dfe01cbfbf4f6.zip 869,476,522
4.3 15T212 8affb611adf5e64c0c8567a7fc806125a4e9b631.zip 865,007,940
4.3.1 15T567 9ebfac583a5bb5e13de88cd9f5c39107043e4eff.zip 861,041,970
4.3.2 15U70 5531a0881b1e11ac330e1f5bada1a4ec330e08d8.zip 861,030,704
5.0 16R364 90ef15733e0ebcd120a3128e21ff08b0c3fd7107.zip 504,794,589
5.0.1 16R381 6b6d40332954b9f13c4154e004d90b10db3bec1a.zip 504,786,511
5.1 16R591 5aac46bc5261e0d77eb4db9c5310bad481e19ce3.zip 487,234,940
5.1.1 16R600 5de48efa59b698ee51e24e6eb16af67418b2f0af.zip 487,241,244
5.1.2 16S46 5d64dd6a54a7744bdaf85b433acb045f99361d53.zip 471,614,878
5.1.3 beta 16S5523a 80ac9f5c0e07905de19b72f7ad72b061862056c0.zip 472,009,714
5.1.3 beta 2 16S5531a 4d536b121650f8999ac54f1bf7a16d5729f28293.zip 471,847,269
5.1.3 beta 3 16S5535a 92eb450624f142a00137cdc0924fbad6d43a871f.zip 471,806,232
5.1.3 16S535 1924b828fd632ee530bcea72952a4d35e03a1a3c.zip 471,472,962
5.2 beta 16T5181f 08013ffdbab9dc08aae854e06b0f09c5ad32163b.zip 183,431,337
5.2 beta 2 16T5191d d256b126ae1974f013b7ca7fa638722b0fc5b672.zip 173,636,227
5.2 beta 3 16T5201c d9c36fe4eb39359fb4d7d9fc265840658cb4c86f.zip 155,301,738
5.2 beta 4 16T5212e 54f88cb70348062c5c7ac252e3c352c5b3734d42.zip 139,473,207
5.2 beta 5 16T5222a b66b570d84b3f59ce113d70ed10608c8d3863994.zip 136,388,312
5.2 beta 6 16T5225a e8434c6637f899a3a51e97cefc8471b518ad815a.zip 136,387,506
5.2 16T225 e49d19f24cd2ccee7cf603cad2b76f34ada318e5.zip 131,233,410

Watch2,7

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 1c20699f5c034225dedca3c5e3b98810d5e8ffc5.zip 136,196,329
5.2.1 beta 2 16U5091b 9162f69dff44d591b14330dda97d7a3cb031a38c.zip 117,795,421
5.2.1 beta 3 16U5101c f6113deb035352d8f3a7c3e051f3fd5758567be5.zip 96,628,919
5.2.1 beta 4 16U5110a f33f497f4b6be30b355186ade07a3977d6bdddf0.zip 86,090,847
5.2.1 beta 5 16U5113a e88977c97ab9b8780c2bbf0ec292c1cfb12beb33.zip 86,040,627
16U113 7f2f0506bfc48626712e7e8a72c002fa22a74278.zip 1,362,974,408
3.0 14S326 a887f6da648786222df17bae6299165b60649a74.zip 1,051,809,105
3.1 14S471 1d56e5b71230f7adfa1c60d5b02733e948659838.zip 1,051,210,102
14S500 d7258f139364a45da39a7bf7d996abd66eb49277.zip 1,051,209,975
3.1.1 14S883 5d801dc04fd03119c3f4cf73b5e2bc45309674c2.zip 1,048,256,495
3.1.3 14S960 f971097ad26e88201f0b1fccaff514777dfd6a25.zip 1,048,255,353
3.2 14V249 591dd6a104e2ac1ff3fa74c6963c1f1a88bc3cc8.zip 1,035,988,589
3.2.2 14V485 53db0419b8a034baca54a0710845295a4b41a16f.zip 1,035,865,584
3.2.3 14V753 8495d979d45c03b71d676cd33be63dca9945e818.zip 1,035,906,497
4.0 15R372 b90e45161ef5cc01f9856e58be9003e5635cebf6.zip 895,664,194
4.1 15R846 26520f10e2ca9bee245016663ebeb1842df1a5bf.zip 873,551,376
4.2 15S102 60e2d64054817e6a4278d3f8b4c45d86a142d709.zip 870,240,734
4.2.2 15S542 3f4ae390715ffbd67469667e486bd4bf05eaafb2.zip 870,191,156
4.2.3 15S600b 01b9287ed5f8931b98eb70cbb041b3f8bea8cf35.zip 870,191,210
4.3 15T212 0a7d9c0e92c3805726e84ea85859be75c1664399.zip 865,721,298
4.3.1 15T567 5f90602ab60c98f7bae5bb5dddc2742b983c8d99.zip 861,816,391
4.3.2 15U70 dbd8ed77f89cfa7868e5fe28e0804f16f63b3333.zip 861,880,222
5.0 16R364 4189b7149f173e18b3379e7411157ba08414428d.zip 504,836,057
5.0.1 16R381 392140c6cf9613851b3b7230f18558192d5bcff3.zip 504,828,602
5.1 16R591 c3123081c2de1a5938e863430b88a74fe6bc01a8.zip 487,260,993
5.1.1 16R600 b818d0e48abf609abc2bbc3ed0609dfdceff9665.zip 487,264,220
5.1.2 16S46 4aff6e3af56c587b1f3bc928808d5c09a37cc52c.zip 471,693,421
5.1.3 beta 16S5523a 8a3a04517c9560b2fc53b8891e162791b52922e2.zip 472,085,642
5.1.3 beta 2 16S5531a 1871d05119f62a8f5cb77bdfa255e1b06469bfa0.zip 471,861,385
5.1.3 beta 3 16S5535a 21af0a61676409e590b56ffaa66dcafa0eef6e3f.zip 471,824,786
5.1.3 16S535 59b91a6ce049cd237c1e6c7b250eea201957a110.zip 471,533,875
5.2 beta 16T5181f e0e46df03b570467030c3ba499c624ce9143617b.zip 183,401,774
5.2 beta 2 16T5191d 591ab76ceb6c62a945a097b4013a1b5765e24c03.zip 173,610,524
5.2 beta 3 16T5201c 7a9601dafca649803f51dee828d059ac1ee96252.zip 155,269,784
5.2 beta 4 16T5212e ad280b2f58fcce39722500b9066d17a1eee6a187.zip 139,552,523
5.2 beta 5 16T5222a de929133c3fb0e7a2fa0e9b59f8199fa2189d5ce.zip 136,365,322
5.2 beta 6 16T5225a ee0f7e64683a3bbf7c745f58e072cdfcee51363c.zip 136,377,310
5.2 16T225 8a59cad03edeb7e6727c3e385ac547935244cd2e.zip 131,231,853

Apple Watch Series 2

Watch2,3

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 42525bde7120f614d231e6ebb01e3097ef51468a.zip 137,071,722
5.2.1 beta 2 16U5091b ac17ad8e7ec010f36a484306c2df4cd9a45ffa65.zip 118,690,624
5.2.1 beta 3 16U5101c 5c689bd2fc9c3df097c65a14ee3c85671a1871b6.zip 97,477,156
5.2.1 beta 4 16U5110a 55df514cb114b73caa2df30981d3d0c4dd61ae2f.zip 86,951,777
5.2.1 beta 5 16U5113a b98525e437ca1b6bbbc82dc68cac24e712bbfd94.zip 86,894,480
16U113 7938b7c302eccdf45db88e68f47796f70175d8b5.zip 1,355,296,662
3.0 14S326 434ca4cdfe8f2c38feba74f5cf0954dfe3042bf5.zip 1,044,703,619
3.1 14S471 6842a3a68057bed0f0af5602fab980197ca8235a.zip 1,043,357,012
14S500 f8a6ece0a948468e3a025f43ceb8aa823f00894f.zip 1,043,357,042
3.1.1 14S883 0970eeeb8b21448231cabb041dab03e38d133a5d.zip 1,040,743,207
3.1.3 14S960 d0de6830210e2e3c8e8364ec247a8aa192626599.zip 1,040,742,420
3.2 14V249 c460f7d088a300a9e08b09c638c5d418de6ac291.zip 1,029,273,695
3.2.2 14V485 5cb7180ab1c8d8da7c75b5c7c6821b7c426e348f.zip 1,029,291,614
3.2.3 14V753 3b9de653044d041571294bb37196bdd4fdbebb6d.zip 1,029,298,788
4.0 15R372 bc1b3bc3278d1952c54aa3d00330f838f470cc86.zip 895,988,325
4.1 15R846 2a00ccb861c9e3c1f7408fb1e1db3ae5d8696fd2.zip 873,790,907
4.2 15S102 b8ffc13301b8193079292c44c1234b8c738977b4.zip 870,451,426
4.2.2 15S542 20cc4285205c760ff8dd4a397da0364fffb2e50e.zip 870,402,289
4.2.3 15S600b b805166592b9973b169501ff4c8a7f8836e7bfd5.zip 870,402,100
4.3 15T212 c3faa2dedb37477cabc0aea10edc77d924ea7276.zip 865,903,330
4.3.1 15T567 d7bab8974c9914d19aad45df079f87fb843d8ab8.zip 861,937,424
4.3.2 15U70 1c34b4476ddcb09c944bd65d5ffdb210b30dcc9f.zip 861,925,218
5.0 16R364 d9ea01bc48cc1de187e6db88d3a31e4c43feb540.zip 505,689,389
5.0.1 16R381 226854fc5f9618c19b049de6f6851dec5b38285d.zip 505,681,547
5.1 16R591 13a9527324a341e7d9f1129aa14cac2801e258a4.zip 488,129,871
5.1.1 16R600 14e19a352f7439def6a787684336e08898b134e8.zip 488,135,125
5.1.2 16S46 1461c9a52265d57b7dbd9245c89712a31935d914.zip 472,510,106
5.1.3 beta 16S5523a c9a98b9378c5316d46debbf15f2ea69d06239287.zip 472,904,114
5.1.3 beta 2 16S5531a 04567fdd609259a93d80861d05fd7baba9f146d4.zip 472,742,443
5.1.3 beta 3 16S5535a dbee51c95233e390a67204c66013ac2a54394358.zip 472,701,503
5.1.3 16S535 5021ace78ba18fd597f9237467765bc96039de7b.zip 472,368,789
5.2 beta 16T5181f 41042b32cc7b7d380dad9de699531f392d31d27c.zip 184,325,740
5.2 beta 2 16T5191d 247cf8dfe5fd90db370662b52d83146ff348cd7f.zip 174,530,714
5.2 beta 3 16T5201c b4bc5a23ff8e3dcc6c3b873523687e6a0a7702a9.zip 156,196,043
5.2 beta 4 16T5212e 0af49d4e95daa34a91077d451907fea4e535beaf.zip 140,368,385
5.2 beta 5 16T5222a 65be86335441a9eb421a8a56baa0ae039549b5ac.zip 137,282,755
5.2 beta 6 16T5225a 3b969d58e70ac5d40617ca969722d77e5e620d62.zip 137,281,853
5.2 16T225 fde5132ba6fa62d358c140c23d54b82bc9f3596b.zip 132,128,552

Watch2,4

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 3e180432b3bb317ef07a4b048ababdf142b6ee11.zip 137,091,384
5.2.1 beta 2 16U5091b dbd4f1ef0635969554dca15343b50b3b6a548c1d.zip 118,691,055
5.2.1 beta 3 16U5101c d9a55a051345b513807d240905e6268e86a573f8.zip 97,523,813
5.2.1 beta 4 16U5110a c19d9f01d0a1023a48d16cbd510d58b9c87153c9.zip 86,986,141
5.2.1 beta 5 16U5113a da2ba1b7e173594971ab551e73e5a001afe7650a.zip 86,935,934
16U113 40b74fdcb5399924982dce100e4ccf3b377c93e8.zip 1,363,869,926
3.0 14S326 0019c3ef7a742a8ce574847f6c73a724f228b6f7.zip 1,052,723,716
3.1 14S471 fb8669da3bd7ec8d4b024757d08e4b5326587486.zip 1,052,077,377
14S500 f2c1caf461df7da83300be9e4966bf586836a82d.zip 1,052,076,744
3.1.1 14S883 6e916defec62333c9038c7c439c15a159897f7e4.zip 1,049,163,260
3.1.3 14S960 c8028cdb0bdd98f8a5572906e038162075e079f8.zip 1,049,162,537
3.2 14V249 42b7fbd467218af0cd74b65975b3d43ec8ccd93d.zip 1,036,946,853
3.2.2 14V485 14ba2de1110f64fb01359417290cf2ef28b7ab3e.zip 1,036,773,100
3.2.3 14V753 f1dcbe55d823fbc6bd91db700fc78de5cf95c51e.zip 1,036,853,171
4.0 15R372 8336fb5224d8832e6e3f1430b75949900e10cf63.zip 896,522,266
4.1 15R846 fde85900f77ea6988c45f9225dd9d2058fcbcd8b.zip 874,497,497
4.2 15S102 76504bb12df09bcd2a23b33daa6fdea11c199c65.zip 871,157,816
4.2.2 15S542 2be993948150ef7b8d619aa218248b88f2e0cf8a.zip 871,108,406
4.2.3 15S600b 2a6a0e31ca040be18a67c4a0c9d6440bdb582d85.zip 871,108,253
4.3 15T212 35e5d6d4983e9f55cfebfe3224d573b4d4bd9209.zip 866,616,464
4.3.1 15T567 60082af0bcf187f553e60bc7a14eb9ea8de75c09.zip 862,712,091
4.3.2 15U70 e440a7adf261e57a81e64eb29c0c82d7e3e0e2a3.zip 862,776,395
5.0 16R364 7e11fdce95ea211a5a342eee6d99b66191cf931d.zip 505,731,422
5.0.1 16R381 06b90a1cc56b0c87f238c2aa8d0995d838801e63.zip 505,723,524
5.1 16R591 fc8a7a5bc823055bd1ebd3d977046a8ef367d038.zip 488,156,873
5.1.1 16R600 87809a3e80427f9855280ca4acec503cdb2447f5.zip 488,159,184
5.1.2 16S46 756724e0ff914779f63879b2fc0191c8b6a714bc.zip 472,589,259
5.1.3 beta 16S5523a b5a24e8b76687fb015500813629aea50a0f2f372.zip 472,982,538
5.1.3 beta 2 16S5531a 27e99a8b130b358db5b4cb45ded92c7171b26e30.zip 472,755,858
5.1.3 beta 3 16S5535a 1e3740bb6d9916e779b6df60dae1073b1b34bfaf.zip 472,720,102
5.1.3 16S535 662150b6eab4d221951ddce1598227e10c8c7080.zip 472,429,045
5.2 beta 16T5181f df7c272a31aa1b65ea0f8b3ee54ae90f8498b0eb.zip 184,297,881
5.2 beta 2 16T5191d 17ddf4aee8617ee617210a6e6cc7b6c53d700d25.zip 174,505,633
5.2 beta 3 16T5201c abd29cc4da784a18a6bddc9551688050a5fb614e.zip 156,165,633
5.2 beta 4 16T5212e d20874d7ebd29232dfebed9aac2d16fdf85762fe.zip 140,448,292
5.2 beta 5 16T5222a e10adbe9c9061178c6a3592fe30d543b3452045e.zip 137,261,125
5.2 beta 6 16T5225a d19734be62c724bd9577efc29cfe003dfb8ae7ac.zip 137,272,326
5.2 16T225 ced603ff9c7df1ad5302fba009d8ef86539a9538.zip 132,126,947

Apple Watch Series 3

Watch3,1

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 a4e8ecbc63d5182bc70a9adacec08377370d25a2.zip 172,578,129
5.2.1 beta 2 16U5091b 7338c2ce3f1fd7b919f4cbacfeaece1dbbf28a39.zip 152,543,024
5.2.1 beta 3 16U5101c 3634bef1641a37f317262840a3defa9a1700b6a0.zip 125,657,375
5.2.1 beta 4 16U5110a ece84c7bd037302029d6455b20f5d6ac7ce38fa3.zip 93,303,316
5.2.1 beta 5 16U5113a 43eb24d68f2eb6b328a655f6092fe1a70a583c7b.zip 93,239,068
16U113 062906fe892a72904a42d5e7d462b9b26f89acbc.zip 1,434,633,300
4.0 15R610 0f78a6dab0f92ff53146e000224aecef0d03d2a9.zip 947,872,906
4.0.1 15R654 d340f8ecc575686db47126b9b8b1e3c1cf05fa46.zip 947,871,903
4.1 15R846 f87d59ceb5078aaf1cc4c48c40c8f311affc3867.zip 928,310,753
4.2 15S102 eb2422b008b776578e856744402c48f6333d11fb.zip 924,368,449
4.2.2 15S542 69bbfd37730eddd6f942f2ec1cb67541e2353277.zip 924,319,946
4.2.3 15S600b 00b70879a486a2f2cd9c82ff600cea0f00dae9af.zip 924,319,368
4.3 15T212 a82e71374101648aa585fd6080036d381c86443f.zip 917,303,000
4.3.1 15T567 c6f71dd780ad379a4caaca79c94dfbcadd2666cb.zip 911,950,604
4.3.2 15U70 103f5df0e20f0f8d8f0e12b434c4bbb060ee12af.zip 911,927,330
5.0 16R364 b437740b71a865d9814b59215062367af96a7cf3.zip 555,788,357
5.0.1 16R381 ee9e3e3ad07841cd6fc1af98db98a1f0c1a85131.zip 555,779,823
5.1 16R591 291c6348a9211080a0ec4dc4033957c0159a9aa0.zip 537,576,999
5.1.1 16R600 20b3da0d9d272086bf2c7d5e4874865381dc2589.zip 537,581,494
5.1.2 16S46 4fec0968ff83a8de3c1dc4f890132f403b1beabc.zip 521,612,442
5.1.3 beta 16S5523a a1e07d65e1431629e21068c2c8e96f4eb9397893.zip 522,126,134
5.1.3 beta 2 16S5531a 39823778ff08e8d49d886e2d2e75e3e85ff5627e.zip 521,843,213
5.1.3 beta 3 16S5535a 11fe41b4dff2d846a268503794dd3331e3788249.zip 521,791,675
5.1.3 16S535 0e7888ae345c7e1d1fab64b5f3d48f2f4c18d25e.zip 521,459,679
5.2 beta 16T5181f 0c84112deceafd5d37e6dbafedb177de845c1f63.zip 233,047,319
5.2 beta 2 16T5191d 4dfc4435452367b343937effb229a130c50e340a.zip 223,589,188
5.2 beta 3 16T5201c 9f1a8a6df52ebb09ded33bcaf803386d8bc2d3dc.zip 205,322,083
5.2 beta 4 16T5212e 6cb96d3825de11b26521e9629cbb310f36d57a0d.zip 179,960,782
5.2 beta 5 16T5222a bec774a6a217a13f38afe1c53f1c0cee10cc47e9.zip 177,170,629
5.2 beta 6 16T5225a 7e58056ef52860bbf1f26543eb8c758d95ae9c50.zip 177,228,335
5.2 16T225 9ea03ae7249e1543595dddec9b804e6b8f16881e.zip 171,390,604

Watch3,2

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 46097493c488ebfe41fcf4d49eeee38b65bf196c.zip 172,577,368
5.2.1 beta 2 16U5091b 8cc9a7112fbe868a97c7884ada905ec235295090.zip 152,549,761
5.2.1 beta 3 16U5101c 8ae364a4426779907d2ee301668a7a1f0c92e34c.zip 125,682,054
5.2.1 beta 4 16U5110a 8f98040646c7034749e813b65878403d2b95c6cb.zip 93,333,243
5.2.1 beta 5 16U5113a e8476075122b65efe16de1cad3ed4ab8ce7efc53.zip 93,265,074
16U113 a851985617ef31c15c5ef46d990f8c1d57be8db8.zip 1,442,266,419
4.0 15R610 c36db1a6e12a7b6249292c9b6ccc504d4f41cf9f.zip 948,610,084
4.0.1 15R654 397260b18482d63176d568f87f160082af1916c6.zip 948,609,160
4.1 15R846 5d1d66ef7edd16b6ce1b0919f3ebfe105f736d89.zip 928,612,882
4.2 15S102 e193c976e44ece7ec349cf0e214dd916f0099ace.zip 924,696,946
4.2.2 15S542 fa7de06000f0b6bb107a75d0695ff752bcbe72df.zip 924,648,298
4.2.3 15S600b 8ad1e05f78578f2eb8b05c0e0203dbd445ca06be.zip 924,648,471
4.3 15T212 0a842d48574da15d0aac3f989b9ad892a4af0fa0.zip 918,109,074
4.3.1 15T567 95039d98628bd8152a600bc80610d4bfa4b8482e.zip 912,689,298
4.3.2 15U70 9562d86d6c16e14718e3f9445f4cb1793f58107e.zip 912,635,353
5.0 16R364 cde8d63577fb1bb8497d46c72844c1f40138a623.zip 555,860,208
5.0.1 16R381 467cd4c586612965a6431ae5305cb20ce1b0917e.zip 555,848,056
5.1 16R591 0192eb4936b8b57bc78cf751aec16a67f465b24d.zip 537,605,991
5.1.1 16R600 d575d812942e85e8705efce1c68c19262473bd30.zip 537,607,764
5.1.2 16S46 6b3cfdba3bf3164b0e01269757183ade3a199797.zip 521,690,152
5.1.3 beta 16S5523a dab8b5c4672a5d640d389b50733f9aa2d42bc947.zip 522,196,346
5.1.3 beta 2 16S5531a 08350d2f929461b0de9f54d8d7098630fabde061.zip 521,857,936
5.1.3 beta 3 16S5535a e379773f6734aa06150d90909c79e1bd3f816816.zip 521,800,193
5.1.3 16S535 c1b12ae06e8b15147505044845ab69654036ceac.zip 521,511,622
5.2 beta 16T5181f 8b57869aa95cb0c19baeab91ce64df365358a22b.zip 233,002,947
5.2 beta 2 16T5191d cbf3f6e6aa0d14f536cca261b23afba775a6f82b.zip 223,573,866
5.2 beta 3 16T5201c b90df92011f569a809d5505cd504d4305ff49931.zip 205,278,804
5.2 beta 4 16T5212e c3306f1e8820426982720844ddccf4d6b1967772.zip 180,000,332
5.2 beta 5 16T5222a f03e12571c6d69f8fb587fdc6f504c829cac17c3.zip 177,170,309
5.2 beta 6 16T5225a 23276b3ea7c64704ccd112f411ef9dda64fc268d.zip 177,217,680
5.2 16T225 5f05299acde97ca456e01c78b50398a7554e50f1.zip 171,383,019

Watch3,3

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 0e3bb7c67b440d97c534f843e57af9fa0f93f51c.zip 155,135,824
5.2.1 beta 2 16U5091b 4490199fd9b3bed57588544d0da3742147d7623b.zip 137,047,037
5.2.1 beta 3 16U5101c f54c5a81f60d6822ff6e6ad9dec295979c61884a.zip 98,900,955
5.2.1 beta 4 16U5110a 0c2119e60703f78b4f7d7648f2ea76812a59419c.zip 88,093,467
5.2.1 beta 5 16U5113a f7d0d6da8b972a38196eca19d888b409209c1583.zip 88,053,543
16U113 b33423714002c2699e34c831395e5168142a896a.zip 1,375,003,444
4.0 15R607 85a8a55b81fac348f5093e167e29e228c9152ad9.zip 914,290,716
4.1 15R846 124a2e37e4820066e6ba110ade212f065c39701c.zip 893,283,329
4.2 15S102 8b197faf1dd3ffa115c4324bea4b5e8d82f2545b.zip 889,736,425
4.2.2 15S542 4ec11b855529941c47b47d9f51affadbb4c9797b.zip 889,687,827
4.2.3 15S600b 1c1bfe23ba28bdb6bb3529742ebc5cc9ce8675ad.zip 889,688,096
4.3 15T212 a1e321bcabfca2ff1c509113152a593773db13a0.zip 885,369,927
4.3.1 15T567 04cf6e0dd139af8f429cbad4876940045392bd9b.zip 882,116,651
4.3.2 15U70 34c8008cc71b4b69412d2d99d20ed600e7627c7e.zip 882,107,774
5.0 16R364 773afea02582fbd30b398e2038b67e95bc24ef8f.zip 524,036,740
5.0.1 16R381 8950e73a879d1710cbae0d1d7b2277566c7dc286.zip 524,030,561
5.1 16R591 178a6dae6796977d7984b37a5d7d33652fbbee33.zip 506,477,537
5.1.1 16R600 a62dfd5e158ccca389dd47ce644193d977b05278.zip 506,477,538
5.1.2 16S46 d420b3d05164a440fda3c1a26d80c2e49ceaa4b0.zip 490,841,492
5.1.3 beta 16S5523a cd6ee5fde56cc0cde13f272e7fd7ce5cd8256eac.zip 491,245,015
5.1.3 beta 2 16S5531a 24cd9cfc727b29c29f149bc71fa5431b9b309629.zip 491,070,746
5.1.3 beta 3 16S5535a ae88a19f99f4570979f8358821a52756e1cd7cf9.zip 491,031,045
5.1.3 16S535 366bf9cfca21fc4b305a621c590d32488b3fe1b7.zip 490,698,028
5.2 beta 16T5181f 6f1567b553cc040cc61efa6bdb639b2ed6f4fb71.zip 202,633,139
5.2 beta 2 16T5191d 5d7097261f4bfa0782d980bdd1546f6b108e2c9f.zip 192,862,302
5.2 beta 3 16T5201c fdf6726e1f9212ef6ac9667568d14874aa0f2764.zip 174,608,490
5.2 beta 4 16T5212e f8a83070bae3d9b0f8df87a0f0436cdffe17285d.zip 158,560,968
5.2 beta 5 16T5222a 208936a182de466b4fe38dd07d0e4665e6ab222b.zip 155,527,569
5.2 beta 6 16T5225a a4744acbe62594b5d5c88ad3b874df7e1508fbf9.zip 155,515,619
5.2 16T225 dceb60fd2b335883fdd5f1528df1993372714673.zip 150,254,079

Watch3,4

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 f81f4a84eb9233a1cd6d0121d4202c4785d35d8c.zip 155,170,465
5.2.1 beta 2 16U5091b 362a4d4a9259090a90a53d21840b4b7ec81cc73b.zip 137,058,353
5.2.1 beta 3 16U5101c a9bd8d31516a74a555ee36abf395ea8955d708aa.zip 98,928,032
5.2.1 beta 4 16U5110a fc3d9d37aef1be80e2fc77818810440e34b66b8a.zip 88,123,522
5.2.1 beta 5 16U5113a 37d7448b574d85b6d95c1078733dabda4e88d884.zip 88,080,650
16U113 cf35ff27b0a1115d2f561c4ad05a1e38194989fa.zip 1,384,631,420
4.0 15R607 fd73fcb76a60792c7bc8c7f122da1acf1068f622.zip 915,012,736
4.1 15R846 a174b548da56916f206c981caa0db9640353b418.zip 894,044,795
4.2 15S102 186027a1eea2b54ff148a9c2b7942c0c88d055c0.zip 890,536,952
4.2.2 15S542 3823bdd61b4e0e5527b67dda6a42becdb5e055ae.zip 890,487,135
4.2.3 15S600b 189b8e360609dd74db3eaaa756e660646537201d.zip 890,487,352
4.3 15T212 017bc7c9f289ce3c79ea7a0bcba75d42b6065883.zip 886,174,225
4.3.1 15T567 5d80564490599e62e4aff80e4524114ba7462e26.zip 882,890,971
4.3.2 15U70 d2abdd7ed64796e73bf07c356b63988fe474f657.zip 882,894,265
5.0 16R364 f7ba91615777207b2fb9079e17274a5064d3f599.zip 524,087,570
5.0.1 16R381 ba950e5e170505cad4729958bc6270e68eaa8161.zip 524,078,444
5.1 16R591 5dbbeae2261d8be287269da65901073f2df50ba4.zip 506,495,221
5.1.1 16R600 c60610c35021acdb4dc9aa18b06b6336b7a67d69.zip 506,499,092
5.1.2 16S46 3b2e49602ff3aea7970255918bf7584e18af7538.zip 490,933,916
5.1.3 beta 16S5523a 18626876d25fdbd47d129c0c354230e0c7dfde1b.zip 491,331,806
5.1.3 beta 2 16S5531a 2b8d1632d6235b76171a69960dc3d135d1c13ce1.zip 491,099,051
5.1.3 beta 3 16S5535a 721df22d57a73f3adf649185af3d8def994e04bd.zip 491,058,986
5.1.3 16S535 d25612928568afce48fb4d821a770310a41710f3.zip 490,766,411
5.2 beta 16T5181f abdbf835cfbd5f34743b6a36af41d7b4c8515328.zip 202,605,418
5.2 beta 2 16T5191d 89d01622264b36ee7524dd8e9c4ee4d4a9ae2d9d.zip 192,850,407
5.2 beta 3 16T5201c e31b101af03b893ec933fb27552899a30a3ac618.zip 174,575,833
5.2 beta 4 16T5212e 0c88fc56ec4a7e57fa10fb1dc5e5866aeb70b733.zip 158,593,811
5.2 beta 5 16T5222a 86db94845f8575d34f32e45f4e9715d0eb4afb7d.zip 155,507,177
5.2 beta 6 16T5225a 14338a5bbcc51e1edb594056b85f079531dc1e82.zip 155,519,723
5.2 16T225 98b91c446ba2965a4942987a74b9605adde805d8.zip 150,265,430

Apple Watch Series 4

Watch4,1

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 670feb43d54e652aef76e99a3e8df51aa99bbe6e.zip 139,959,954
5.2.1 beta 2 16U5091b 433d20b0511c766602268054224f0cd64f9d27b8.zip 111,420,117
5.2.1 beta 3 16U5101c 021f1f40510cdfd45c1cf62db5813c95deb7e497.zip 90,982,842
5.2.1 beta 4 16U5110a ebe2ce55ac9025d95b2bb3987ab9b3f249734cb4.zip 77,420,216
5.2.1 beta 5 16U5113a b9268466a4121165df9d0e855646a7e8c0b8a7ca.zip 77,362,486
16U113 d7eb0dfb38f3afd706dc919442c771bb7d515f30.zip 1,434,926,502
5.0 16R364 54dd3349feae59dad004aa6152860988bbc45ac6.zip 513,084,276
5.0.1 16R382 bdf178558d54246c34e22c03d33834b0fe8c5dc5.zip 513,076,916
5.1 16R591 17a1356606c473239d8d448402bfcd6b49edb586.zip 493,962,420
5.1.1 16R600 5d8bc9b1541cf60be2991feb201af521415732c7.zip 493,965,926
5.1.2 16S46 b5ae4a6ed2160ce5a2cc05acf7536b2295202bf0.zip 474,429,589
5.1.3 beta 16S5523a 06d37640b179f0cf67bfddb337dd0a3efb8f07ca.zip 474,940,522
5.1.3 beta 2 16S5531a 82cca2532d214b05cbd95ab1a06c0138efdab3ef.zip 474,659,656
5.1.3 beta 3 16S5535a c90e7d4af26ec15e42e3332bfa93de5264c4898e.zip 474,597,682
5.1.3 16S535 458cd729af0b53a7af48e9f4e243a2858812a143.zip 474,307,760
5.2 beta 16T5181f df3c8427f8022cc1f18b361af3bc433d0c6a10a1.zip 213,480,235
5.2 beta 2 16T5191d d12e1a47a534277987ec2be024d839c33c64e7d0.zip 205,907,275
5.2 beta 3 16T5201c ad490c6848e8929c2b1dcaf9de3761e54b1fd162.zip 176,429,766
5.2 beta 4 16T5212e 94fcfc88d3cf8f57cc0e196f93a1eaf98b3b4edd.zip 149,759,395
5.2 beta 5 16T5222a bca5d43c52f853a0658ab75caaa0c571788719a5.zip 147,218,954
5.2 beta 6 16T5225a ca0d552365c154ad26d787c22bd4f49057e3f24e.zip 147,179,191
5.2 16T225 71426e1da13e15e8e86595f80d5618e8eb84252b.zip 142,628,807

Watch4,2

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 19f6b6d6eb01f4092b80b15fd77572f83c3437b1.zip 140,047,691
5.2.1 beta 2 16U5091b 723910cd2bcf312556aa5935ca712a81c128c165.zip 111,388,346
5.2.1 beta 3 16U5101c 6a73f1230dd6e3f97e7dc558b5136dd3f6c3e044.zip 90,856,462
5.2.1 beta 4 16U5110a 6899147155ed6692d5e8461061b6f259492044bf.zip 77,367,722
5.2.1 beta 5 16U5113a e25455a1a0fb91014f5e9faf9443765703264c94.zip 77,303,144
16U113 d6a3d52b6bd1961a351445492389e538267e44d3.zip 1,396,634,116
5.0 16R364 6f3b9d362814903b63611534746255b2c1f01326.zip 513,729,679
5.0.1 16R382 d1f8b92c92bf0f0ec75c5e41d8b4e775aedbdac0.zip 513,737,231
5.1 16R591 03cd36811e3eb22dd09f4243a09336ce316d0198.zip 494,479,613
5.1.1 16R600 ac8fb57c2dc1723b94beec584cfaf383d96640a9.zip 494,483,331
5.1.2 16S46 8206751d3e42c9c34984584eaded426ed9c126db.zip 475,142,246
5.1.3 beta 16S5523a 6d061ac18ca79d9c698dad91d18cf2eaeefbda00.zip 475,715,304
5.1.3 beta 2 16S5531a 7a47885196c725eafb568af7273ba836bd479c9b.zip 475,413,123
5.1.3 beta 3 16S5535a 233b30d38075a4c74bd380760fbfe02b2b48db78.zip 475,364,138
5.1.3 16S535 0a70da31b811feecae93404f859155029219c055.zip 475,014,887
5.2 beta 16T5181f 12bd09627817beadeb894861d8aabcc6461fca72.zip 213,564,327
5.2 beta 2 16T5191d 1f1877cfd59ab24ecb7aebbc26f2a6ad6346e3ff.zip 206,008,467
5.2 beta 3 16T5201c e4e01d920b02467ce3856539e25b8a1e0f46cf81.zip 176,501,913
5.2 beta 4 16T5212e 60b059f17f7b7c5ffa67aea16e064b298afbc406.zip 149,872,395
5.2 beta 5 16T5222a ed5c17ab5735415e1cec8fc3772e93766d0fe784.zip 147,238,129
5.2 beta 6 16T5225a 54d8c7b29cebb09a988577c93ea30432df9f76cb.zip 147,187,780
5.2 16T225 948a5a1e54661ee198cf4c2b56a2857f3e91b419.zip 142,727,641

Watch4,3

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 e5def19ff3cb24a2575f320e6ce202564cd2b05b.zip 156,996,416
5.2.1 beta 2 16U5091b 331b674b6df52a39392bb8a26c363b22c93b6385.zip 128,954,429
5.2.1 beta 3 16U5101c abe1192e211d69c6b03b71dfcefaee3f95c4aa97.zip 95,994,930
5.2.1 beta 4 16U5110a 52283309b7d8ba1e47ec61cc1edda992b83324c4.zip 82,541,774
5.2.1 beta 5 16U5113a aa4d3160d9d8ffdebdd513a26c0ef18039813503.zip 82,500,065
16U113 8b47b72fac8d2f8b6cf2eeb074c6c2385a2ca208.zip 1,471,774,289
5.0 16R364 09486346395693a248cf5cbd6f0b175b79229c2a.zip 534,424,352
5.0.1 16R382 187e2e13b4c814058efdfe7da2280d57a4282e2b.zip 534,423,414
5.1 16R591 96b9cf7faf7347cc7e3d3d9ec6bcc70abbe53d1e.zip 516,219,636
5.1.1 16R600 edf894490bbfacf592931a274c7ef04522a95ae3.zip 516,222,383
5.1.2 16S46 7d4bc3810e36d2781810b9e8b1c0dae1f35b8c22.zip 495,494,999
5.1.3 beta 16S5523a 814c603357fd2ae498d9d27ed50d97234d701e84.zip 495,848,997
5.1.3 beta 2 16S5531a 1561f3a6bed37580cded4ba472e7ffe01e07acfc.zip 495,912,121
5.1.3 beta 3 16S5535a 2f952f5c4204a4b8dcd0956c62c64967663848bd.zip 495,841,114
5.1.3 16S535 eca6589a0a41721cc3604b56cd0effdc6f009b05.zip 495,477,171
5.2 beta 16T5181f 68ea1363298e67fae1e4e80e71c7ae01f87f12df.zip 229,952,711
5.2 beta 2 16T5191d 04307c0e16f796a6a91d2fd4e6d76478d06d75b2.zip 224,681,943
5.2 beta 3 16T5201c 776e5a0cf3d55138f958aa5928b95a2b560056ef.zip 195,729,725
5.2 beta 4 16T5212e 2b763b167573b49eeccd85173b38009191070b88.zip 154,199,700
5.2 beta 5 16T5222a 8f6e46ff219485e2464c2835217403427b341ffb.zip 151,372,168
5.2 beta 6 16T5225a 8e3a5b6006f38f54795a94583588c1612f6979d7.zip 151,278,954
5.2 16T225 cc4a81a91cceef00b706ef95ebe30ecb513adc1e.zip 146,407,796

Watch4,4

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
5.2.1 16U113[1] 5.2.1 beta 16U5079d 13 May 2019 96c904cac220574f875895847826ee3de865a2e3.zip 157,099,611
5.2.1 beta 2 16U5091b 63f2a6afa9575d218e7966403b89abb876b03ab2.zip 128,903,770
5.2.1 beta 3 16U5101c 0633cdf68e562a7740c5cfa9b4d851405b0bfc85.zip 95,839,040
5.2.1 beta 4 16U5110a 8d33cdf31d14816136ffa041e51085634fa1751a.zip 82,469,525
5.2.1 beta 5 16U5113a 511b2db70c3f6d2572677ef5f61ea8c1e3c1999d.zip 82,430,802
16U113 552f3191e594ce53aca58b80e4e362754649bc54.zip 1,433,065,208
5.0 16R364 a5a366a13e3b5d656e456d93a7704133352b36bc.zip 535,319,304
5.0.1 16R382 de8c7f328b88aa3cbbfd1a370783367963d0c21e.zip 535,293,275
5.1 16R591 5e465dddb59d896051bff5a1e4563e192f639f41.zip 516,849,571
5.1.1 16R600 658ecb3c295401de3bf0270941483eef51f2b7be.zip 516,851,458
5.1.2 16S46 e1bf36e54aa3b0503b816a4355724ffdd373204e.zip 496,179,628
5.1.3 beta 16S5523a 095d4392d47644173206490fb8cb20445a2a914f.zip 496,583,434
5.1.3 beta 2 16S5531a 441f170b81211da08e1e4c5e3413eeef45a8ee18.zip 496,584,545
5.1.3 beta 3 16S5535a d4497e4ee9dbfb65241d11f7e2777c7c980e7dc8.zip 496,541,756
5.1.3 16S535 1347d34200465ba68d99e5275b56b30f94859aba.zip 496,115,290
5.2 beta 16T5181f a9aab28f31ac74b75c9280cd7ee9e59087a891ef.zip 230,043,348
5.2 beta 2 16T5191d 7c3d70ba5fec0d5cfbec6c1bb5317b13beea026a.zip 224,770,876
5.2 beta 3 16T5201c 5b16afd9ce04250fdd1d01dec43048362ab9471d.zip 195,790,077
5.2 beta 4 16T5212e 91d0d1baad1a2bf0622b9bf5de2d91ae09ec3fd3.zip 154,316,740
5.2 beta 5 16T5222a 16234d3d04802f042fb735dae1aaef4b9cca43f9.zip 151,384,604
5.2 beta 6 16T5225a 6d1e99b49be488f0959745952806abf56f47847b.zip 151,289,268
5.2 16T225 c6bfd58545079375cfd4eaabb59ae50cd4a36b53.zip 146,515,156

Notes

  1. ^ a b c d e f g h i j k l Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 16U113 was listed as 16U6113.) The listings on this page use the build number displayed on the device.