OTA Updates/Apple Watch/4.2.3

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Apple Watch (1st generation)

Watch1,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A c39802786e6491e8067d80293553607a357844e1.zip 1,148,099,598
9 N/A
8.2 12S507 10 N/A b6b1cbaf33d43671e9aad03eb0527a7af57337b0.zip 1,031,773,615
9 N/A
8.2.1 12S632 10 N/A 29a78de35e696bb6b68a2e6c19d2cb7d99db9c40.zip 1,019,999,776
9 N/A
2.0 13S344 10 N/A 9abbfa754a4ff2f2329a0ab639230b56ea7c714b.zip 817,937,297
9 N/A
2.0.1 13S428 10 N/A c3d8c584b5ce1428ecb9c480e61727fd8562c534.zip 817,874,616
9 N/A
2.1 13S661 10 N/A cc482a1a65ad24ef807250991574199d7eaf6bb3.zip 817,548,317
9 N/A
2.2 13V144 10 N/A 779c9437061b0eba562a54e773e54d22ae8599a0.zip 816,481,524
9 N/A
2.2.1 13V420 10 N/A 2d1f55c963e3654a62e46e5f55740128c319be21.zip 816,572,123
9 N/A
2.2.2 13V604 10 N/A b7792f768e6ac2bcd2a5ff42dba8ac582c297229.zip 816,573,765
9 N/A
3.0 14S326 10 N/A 6a4eda8737b0fcb042339f3b3353ee0223a00508.zip 615,981,780
9 N/A
3.1 14S471 10 N/A bfc8dfd002409d602ab75742216832ea76a3291f.zip 614,906,285
9 N/A
14S500 10 N/A 4ee256e2cd74a3cbe4f9aa00852be97b38ee0361.zip 614,906,138
9 N/A
3.1.1 14S883 10 N/A 408e89fb072f36f8375e7e05eefd8a565a1e565b.zip 611,906,084
9 N/A
3.1.3 14S960 10 N/A b8ce691d40998668732e6f6a9600ea86de280818.zip 611,927,118
9 N/A
3.2 14V249 10 N/A 276edc689818dbba81a59a7873b5c01edec99fae.zip 568,447,351
9 N/A
3.2.2 14V485 10 N/A aa45f452e25713ef42db1f8035bcb947ce615c91.zip 568,348,487
9 N/A
3.2.3 14V753 10 N/A 6746ea94903739020c07cc45b2a294941524653e.zip 568,301,404
9 N/A
4.0 15R372 10 N/A f5792d58aa7c6c66d593af53936293f11c43ea95.zip 177,087,239
9 N/A
4.1 beta 15R5823c 10 N/A 777161571f6491dce0b732485aecc21f03affa58.zip 156,278,536
9 N/A
4.1 beta 2 15R5835d 10 N/A 1d96ff25f153bb2b6849a8f252415047e8fc5dfd.zip 141,170,169
9 N/A
4.1 beta 3 15R5843a 10 N/A 83c06446f22d6dcee84c9359b4585c907f72ed58.zip 140,043,628
9 N/A
4.1 15R846 10 N/A bb71c507a978d00e53c18f3a13244981b01b72b1.zip 139,233,751
9 N/A
4.2 15S102 10 N/A 72bf9504732aca043f264c1ce65f1bad5c3a94d7.zip 51,586,040
9 N/A
4.2.2 15S542 10 N/A 58fe2d0ba0057c82ffa468d7bac4c829c626bdce.zip 17,336,238
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A 51ee97a704ed13c7f2127408d33c1611d284689f.zip 82,865,947
9 N/A
4.2 beta 2 15S5090c 10 N/A 70c3dc4331dd031cf322934489eecd46274b4084.zip 69,874,307
9 N/A
4.2 beta 3 15S5100a 10 N/A 6970d1a53b8e702474ee2c8b32e0923bbfde303f.zip 57,792,973
9 N/A
4.2 beta 4 15S5102b 10 N/A cedc3a65cdec41bfbf3c4fa285a0eb858b44c29c.zip 57,754,390
9 N/A
4.2.2 beta 15S5530d 10 N/A 50ddad3d27ac958616025b3c2b0ce0d0afda988b.zip 43,834,917
9 N/A
4.2.2 beta 2 15S5534a 10 N/A a5b194c2350b012fe6bf50ec9525fe90295b94f7.zip 42,325,491
9 N/A
4.2.2 beta 3 15S5536a 10 N/A ee4b3f81c0d56d76a5c9b891861e0b0823960a32.zip 41,030,068
9 N/A
4.2.2 beta 4 15S5540a 10 N/A 33067157281c3763a3e2e136332ec6eb3b6f6483.zip 39,838,802
9 N/A

Watch1,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A 95d993b8959b8c968cf0e3d90a3269155ca9db65.zip 1,163,530,800
9 N/A
8.2 12S507 10 N/A 52cdca9eeeaf307669c9983f409d8b7d57be0525.zip 1,040,028,169
9 N/A
8.2.1 12S632 10 N/A f10092386ff1ecd61c1c8113ebabbc49d3b596df.zip 1,032,120,595
9 N/A
2.0 13S344 10 N/A 49144cdd5643ba42238045050e5e903d5d24ebc9.zip 834,263,313
9 N/A
2.0.1 13S428 10 N/A 0c53c52e79ce12f1ae76bbba5a5fc83f64f77470.zip 834,271,278
9 N/A
2.1 13S661 10 N/A 4eef6a6425ddefdf504d7390d30e12203b8eb4a5.zip 834,623,263
9 N/A
2.2 13V144 10 N/A b6ca4fe8eeae9aa0ace3b4c340c1645eac421c2c.zip 831,048,058
9 N/A
2.2.1 13V420 10 N/A ec498e168b56f150982d8e7b66502854c1de3bad.zip 831,015,378
9 N/A
2.2.2 13V604 10 N/A 762ff4a966df56a6286c1f66e88c85242eeef7a5.zip 831,002,818
9 N/A
3.0 14S326 10 N/A ab180158df0568aab8fa7f1f0077c77e21678084.zip 626,456,973
9 N/A
3.1 14S471 10 N/A cb0e7ea776511b29532fb89e29aa32979f51b9a4.zip 625,409,705
9 N/A
14S500 10 N/A 8fb48d3d25c137d11e304a24b60fc0073a2986ed.zip 625,410,031
9 N/A
3.1.1 14S883 10 N/A 81d85224ef9aa2e2cd979e21ddd9a32a58d9d3d7.zip 626,139,398
9 N/A
3.1.3 14S960 10 N/A 7998b2c2a82c127289e78f4ea524c3fadcef8d94.zip 626,160,946
9 N/A
3.2 14V249 10 N/A e63807b770ad4fa07b6c7a5c4091e962dc0e1a22.zip 583,072,843
9 N/A
3.2.2 14V485 10 N/A 6b132f8d0ae287f5b812ffa40698903bcca6d91d.zip 582,976,833
9 N/A
3.2.3 14V753 10 N/A a610314b7882ad18f6ce2c618186bde817e3e0b2.zip 582,929,729
9 N/A
4.0 15R372 10 N/A bb6dd2a9e81c32deb56efbb3b6105245cd08fe3d.zip 177,117,530
9 N/A
4.1 beta 15R5823c 10 N/A 42cda55e76dbc333e582f2a72633574477e473b8.zip 156,296,846
9 N/A
4.1 beta 2 15R5835d 10 N/A 183a8755da34b87bcd7c72452d8d40899827ead3.zip 141,192,173
9 N/A
4.1 beta 3 15R5843a 10 N/A c38116cef78db70f2b1cf7741f4e717d1f1a1c44.zip 140,061,706
9 N/A
4.1 15R846 10 N/A 525add9a5c424aa456bb884cd841bcff97da8f15.zip 139,234,154
9 N/A
4.2 15S102 10 N/A 8fd9af1f97bea46e286d76ace2896cbced00a165.zip 51,602,289
9 N/A
4.2.2 15S542 10 N/A 014915debf50eb64572a92345243c39592c3d25f.zip 17,351,184
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A 7977e2ccf00d791c5a2d159852ad6a209164a510.zip 82,881,330
9 N/A
4.2 beta 2 15S5090c 10 N/A e78afdbba84ee3b828ac8f920f7564d2631c8517.zip 69,897,554
9 N/A
4.2 beta 3 15S5100a 10 N/A d00b03d0068eada836725f53122e8e2a411a8d3c.zip 57,802,878
9 N/A
4.2 beta 4 15S5102b 10 N/A 77a7e810f0ec9c33fda03c7aa56ef79475807f9f.zip 57,765,039
9 N/A
4.2.2 beta 15S5530d 10 N/A f7ba5d2e078994331021a37f30a4377b006e982c.zip 43,850,801
9 N/A
4.2.2 beta 2 15S5534a 10 N/A 06c6f2945ae2358faf02db040fd5698e3a7fb832.zip 42,341,226
9 N/A
4.2.2 beta 3 15S5536a 10 N/A f4de00157cf79aa0c3a22b6ef18748454defb1d1.zip 41,045,521
9 N/A
4.2.2 beta 4 15S5540a 10 N/A 6dee300add6dbf1eb6b3f930bfd1757dbabe5a79.zip 39,854,715
9 N/A

Apple Watch Series 1

Watch2,6

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A a45e9b46d42a6ada9db320bcc881e289914bf7bf.zip 1,164,443,659
9 N/A
3.0 14S326 10 N/A d700c74dcb8d84aeddbf8b64686a4d48ba8ebe3c.zip 632,572,705
9 N/A
3.1 14S471 10 N/A cd9881ed39840ccff9fe2dbea260181e0cdde867.zip 629,212,027
9 N/A
14S500 10 N/A 8fb6698bdcc97bf3a268c978dc953590a6aaa57f.zip 629,212,162
9 N/A
3.1.1 14S883 10 N/A 9f27d073bf37dc21ad90de366a4e4df4eb5c1607.zip 629,927,502
9 N/A
3.1.3 14S960 10 N/A 67673095f8816cb1e9e0cf5912b32d246f6a4844.zip 629,913,305
9 N/A
3.2 14V249 10 N/A 6ac9801450cbd11953355f84fabb3ace88d20a95.zip 586,304,748
9 N/A
3.2.2 14V485 10 N/A f61594e55ccf141d56fdfa2b600e0c7aecf85579.zip 586,160,866
9 N/A
3.2.3 14V753 10 N/A d95d799040f3801fb2bab8ff4f292c64e10146bc.zip 586,108,109
9 N/A
4.0 15R372 10 N/A 823a26b41ec4e7882c38e95adad35a3fc6e04c82.zip 189,913,690
9 N/A
4.1 beta 15R5823c 10 N/A c26737c5fad62bee8055adf6605470c6899cabc7.zip 169,473,886
9 N/A
4.1 beta 2 15R5835d 10 N/A 888ccdd9f1e49889795fc308b6e12a5367eaa2a4.zip 154,163,390
9 N/A
4.1 beta 3 15R5843a 10 N/A 373d97c760b6de269ee91038fefcbf1c5279da39.zip 152,915,470
9 N/A
4.1 15R846 10 N/A 417276a717a01cc4fb65e0960165e9f2829cddf9.zip 152,080,018
9 N/A
4.2 15S102 10 N/A 6ac7cde655c60b30b6ffb093f02e2ec3270afce8.zip 58,511,782
9 N/A
4.2.2 15S542 10 N/A 30467ab8beaceff35a5abae8670cf7cdc13e6959.zip 23,247,131
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A f1728abf1b275330f5fa69c30686e25b9c313b8a.zip 89,377,161
9 N/A
4.2 beta 2 15S5090c 10 N/A de9fb85a588a7336554cfd02b97007d915a1620d.zip 75,799,606
9 N/A
4.2 beta 3 15S5100a 10 N/A 770ce514c15f0ff9b6ca34b0af61c1de7500468a.zip 63,500,335
9 N/A
4.2 beta 4 15S5102b 10 N/A d0a00ed4373d3e627d1857991821b860419ab429.zip 63,460,953
9 N/A
4.2.2 beta 15S5530d 10 N/A c92aeea7e8fb2d1b5959e1903abcad2d7e38293f.zip 50,050,773
9 N/A
4.2.2 beta 2 15S5534a 10 N/A 30be4af462a6753c091ce65474aeea48a27bd6a3.zip 48,280,008
9 N/A
4.2.2 beta 3 15S5536a 10 N/A 800b0bc3f5e092bef5bde377ccc09e0dc00f87ea.zip 46,955,443
9 N/A
4.2.2 beta 4 15S5540a 10 N/A f112a0a1fc1e1b3521b074251c9fae4934cde314.zip 45,757,088
9 N/A

Watch2,7

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A 0f2539d2bcea93bb4428f084b270d310a662595b.zip 1,179,696,659
9 N/A
3.0 14S326 10 N/A ffcc18e13693e7a224cfb94a2d3ff39f2652c2b1.zip 648,798,951
9 N/A
3.1 14S471 10 N/A e5545e41c49a6fc3008e1f90e735a6c9900194ea.zip 647,541,075
9 N/A
14S500 10 N/A a77ab62721d718ff5b18fb5699c08b473a76d9f2.zip 647,540,428
9 N/A
3.1.1 14S883 10 N/A b7eb0fdf4229bf2d54e0ec182f1bf32377806a8a.zip 644,200,636
9 N/A
3.1.3 14S960 10 N/A 4fabef39059f0fbd1090fd7757e693f3f3b634c9.zip 644,188,439
9 N/A
3.2 14V249 10 N/A 42055fb8add5b215aa456daabfee8419140e7618.zip 600,410,845
9 N/A
3.2.2 14V485 10 N/A ded94b49a1d17711af8dc805255bb2ad702429f4.zip 600,275,707
9 N/A
3.2.3 14V753 10 N/A f191a63cbdede3134bca8ad10a7c92b37ddd3a31.zip 600,221,850
9 N/A
4.0 15R372 10 N/A 0f1f009cb1cd1b38b803be4eade948b9b58ac48f.zip 189,942,531
9 N/A
4.1 beta 15R5823c 10 N/A 50c004090924668f70b3bdafddc0fa6f704539f9.zip 169,482,183
9 N/A
4.1 beta 2 15R5835d 10 N/A 4c247fc5b52e71cd45e7f0b9fa3d24cd988ae6ea.zip 154,178,321
9 N/A
4.1 beta 3 15R5843a 10 N/A 3ae9e2fb2159c48336934b06f3f6bd3ec4c4adfd.zip 152,914,424
9 N/A
4.1 15R846 10 N/A 9f343a86fdf0dca42128217f2b8794ebe2b04bea.zip 152,094,776
9 N/A
4.2 15S102 10 N/A 12a3cbc3b1af362a21827b0cb6405c6fb9bc0f71.zip 58,526,755
9 N/A
4.2.2 15S542 10 N/A f5ef83740e1ca6f7d97f4e07390c2863f0c362e3.zip 23,261,833
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A e2a50b8633bf286aad8f8956c397f30ef3d6ad54.zip 89,398,550
9 N/A
4.2 beta 2 15S5090c 10 N/A d719115c9d04ae809df7494ddd8b805a2aa1eab2.zip 75,816,854
9 N/A
4.2 beta 3 15S5100a 10 N/A 8da4fb0742d6efc9f07aecb1cd37d661c70dc529.zip 63,511,212
9 N/A
4.2 beta 4 15S5102b 10 N/A 2a0810c7b4b4de523ba88f987a77afdff397378a.zip 63,481,868
9 N/A
4.2.2 beta 15S5530d 10 N/A 30e8b065bf1a297065d0102a99ae1474e1dc2021.zip 50,064,950
9 N/A
4.2.2 beta 2 15S5534a 10 N/A ddc3bd639e969f0af37f384505d92932d10e7392.zip 48,294,874
9 N/A
4.2.2 beta 3 15S5536a 10 N/A d45e075882093d947c3a2016fce91b37946b290f.zip 46,970,340
9 N/A
4.2.2 beta 4 15S5540a 10 N/A d2291820c5117a1fcea8c0152595b2a1a2bd9a00.zip 45,772,060
9 N/A

Apple Watch Series 2

Watch2,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A b47a1eecda152055e15a8c0844a4f8128f01a85a.zip 1,165,725,647
9 N/A
3.0 14S326 10 N/A c72442e7c5b2ce21a15627d0e44f57d3a4c4e1d9.zip 633,808,037
9 N/A
3.1 14S471 10 N/A bd8512ec198e1df119c5a7dbb61d9157431e78ad.zip 630,444,224
9 N/A
14S500 10 N/A 669316b37ec373360b5c3fa5f5b5a79ac1efef32.zip 630,443,875
9 N/A
3.1.1 14S883 10 N/A 8f0355d9b10896aed1797282e66b576ff51649e2.zip 633,084,976
9 N/A
3.1.3 14S960 10 N/A 7743b53ff6be263e950963ed9e9637bf712017a1.zip 631,698,086
9 N/A
3.2 14V249 10 N/A 7aed05be5ef49b962fdcf330769e205596985570.zip 587,423,076
9 N/A
3.2.2 14V485 10 N/A e631114f52f05e922a14569fec2b16e1f2b20a9c.zip 587,288,869
9 N/A
3.2.3 14V753 10 N/A 753f1847cb5a7337e362b2d4c7422236a252da62.zip 587,236,377
9 N/A
4.0 15R372 10 N/A 57895e34018b295cb81f8b261189625ca19ed74c.zip 191,074,140
9 N/A
4.1 beta 15R5823c 10 N/A da5d20670b3bf9c03bf4c9b6146a6259f6f65d5c.zip 170,360,281
9 N/A
4.1 beta 2 15R5835d 10 N/A aa154d00fcc572713f428c3e4f692f92da86cf21.zip 155,068,005
9 N/A
4.1 beta 3 15R5843a 10 N/A 523e45b0c7db30e99af2dc2da3d79b6db8733cea.zip 153,807,560
9 N/A
4.1 15R846 10 N/A da720b37a175b8f673491f5a590c48ce6ea0b04a.zip 152,970,871
9 N/A
4.2 15S102 10 N/A 56f6a5055a35106c297ba8d856fc97178d1a281e.zip 59,405,082
9 N/A
4.2.2 15S542 10 N/A e3edc5c6f0477ec80297e3fc23854db2299adff0.zip 24,139,701
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A 905d0b983e4b3397602387596e285303f772ab7b.zip 90,277,831
9 N/A
4.2 beta 2 15S5090c 10 N/A c687965bc50bfc35dbc5761484b9b4b023a01560.zip 76,700,638
9 N/A
4.2 beta 3 15S5100a 10 N/A 0bd8cb5549c88672f2c8185d3a11c44f8eb3e126.zip 64,388,757
9 N/A
4.2 beta 4 15S5102b 10 N/A ac742095bfaab7e9391a7b748d51bdf1ba291385.zip 64,357,746
9 N/A
4.2.2 beta 15S5530d 10 N/A fc60f1e64e7f6d1402163de22e33706a27bb862b.zip 50,943,151
9 N/A
4.2.2 beta 2 15S5534a 10 N/A 2b887d1af5e92011576c3b29770d53d7d45f87c2.zip 49,171,339
9 N/A
4.2.2 beta 3 15S5536a 10 N/A 9bf6a3561683087258e07fecbe80cb72597be53c.zip 47,847,884
9 N/A
4.2.2 beta 4 15S5540a 10 N/A e136250bf22151ba5d59d89190bab4d22a87bcf1.zip 46,649,699
9 N/A

Watch2,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A 251d65d96c6d7eeead5516379100ad40e681350f.zip 1,180,814,479
9 N/A
3.0 14S326 10 N/A d5f444eae6140af7cdb25ff90e4f8dcf66b1aee5.zip 650,013,610
9 N/A
3.1 14S471 10 N/A 30f9e3240ef59b182aa7b53680108f16a6e29f47.zip 648,737,562
9 N/A
14S500 10 N/A 744310be5d65b7e067b8478c1fb57d86039aa00e.zip 648,737,356
9 N/A
3.1.1 14S883 10 N/A 9dd353d492ae5278bd9d0aab0c6b8d73376306de.zip 645,394,339
9 N/A
3.1.3 14S960 10 N/A 6593b332d518e2e8f9ed1bc47496eda3b355589d.zip 645,377,222
9 N/A
3.2 14V249 10 N/A 683d03b37d525f4043388b199c9efa4954ed1a4c.zip 601,553,023
9 N/A
3.2.2 14V485 10 N/A f4e1174271569a4446f02eb6062bccfd30c745a0.zip 601,426,069
9 N/A
3.2.3 14V753 10 N/A 67ef1e4ae8fcb7e18f86cafd2d42f82a6027955e.zip 601,369,785
9 N/A
4.0 15R372 10 N/A 7e7f6bed0cfddfe860021f73768fcc9d5a699f8f.zip 191,091,227
9 N/A
4.1 beta 15R5823c 10 N/A 231a3b5507adba33383d540d27976ef082323ed5.zip 170,389,001
9 N/A
4.1 beta 2 15R5835d 10 N/A 6f446e18651b401970c32dac3649dc25b9a0e3e7.zip 155,083,414
9 N/A
4.1 beta 3 15R5843a 10 N/A ac8a2e0d5da97e7733dea59b405ef13819ba4b15.zip 153,815,004
9 N/A
4.1 15R846 10 N/A b50c668d2d7731f1c855c7cc08f7eabba25327be.zip 152,986,752
9 N/A
4.2 15S102 10 N/A 2fd218cc3faeb307affdf2ffdcb7ed08d7765790.zip 59,421,803
9 N/A
4.2.2 15S542 10 N/A 4d21dcd2b69d5b5765e49bd34b58af4f43c5127a.zip 24,155,506
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A 133c8867b02be467743e3158cf3319beec764e73.zip 90,305,614
9 N/A
4.2 beta 2 15S5090c 10 N/A 659c70fbb803ee0fc81880f90e90b12d1e726b44.zip 76,714,297
9 N/A
4.2 beta 3 15S5100a 10 N/A 3612592974a9d9454b55324b4b9aa9c70b200b36.zip 64,409,406
9 N/A
4.2 beta 4 15S5102b 10 N/A 91beb2e982cbe8de80875162fcdad0793fbaf995.zip 64,379,374
9 N/A
4.2.2 beta 15S5530d 10 N/A 0d177e4e118230315eeefc1f6cd7486a390e73b4.zip 50,958,734
9 N/A
4.2.2 beta 2 15S5534a 10 N/A adb7b2e7b7e75d8f22da1fed049b48ea87656092.zip 49,188,994
9 N/A
4.2.2 beta 3 15S5536a 10 N/A 4c978d60340b459e3717ebfa60a26cc374a773bc.zip 47,864,567
9 N/A
4.2.2 beta 4 15S5540a 10 N/A f811442b1596974a27d526a606e5ccf1e25ef654.zip 46,666,286
9 N/A

Apple Watch Series 3

Watch3,1

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A 3028535487f133c3416ac6fbb0ce88a5cb856f47.zip 1,681,431,462
9 N/A
4.0 15R610 10 N/A 03c0a99c4466f2d8a2fb9de20869617b15e3e563.zip 225,270,741
9 N/A
4.0.1 15R654 10 N/A 9a08e807ce2f504573318ee6e0aeba373eda55bd.zip 225,100,613
9 N/A
4.1 beta 15R5823c 10 N/A 929b08f0d13e7ed85d79e4edced9c00c4f3ef588.zip 205,922,729
9 N/A
4.1 beta 2 15R5835d 10 N/A c3861caa7d1f7a180e5127e7e947ad1d3df27857.zip 190,645,657
9 N/A
4.1 beta 3 15R5843a 10 N/A 335e635b4055f34793c5a5db52d5c4be122c18fc.zip 188,248,942
9 N/A
4.1 15R846 10 N/A 8eead75c266b7afaf74746888e8a8708c2b0c887.zip 187,444,621
9 N/A
4.2 15S102 10 N/A 176d33563fed0d59aa7a65844f4698b554618d9c.zip 66,927,824
9 N/A
4.2.2 15S542 10 N/A 19a341e0c00cac49cd4beb2ed182cfc8ddbe11d1.zip 31,354,683
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A f7033617807b369758cd99175fcf703c94d9489a.zip 122,877,011
9 N/A
4.2 beta 2 15S5090c 10 N/A 1ce88e9c45c97031d0ee743156fb3570145c0063.zip 109,616,926
9 N/A
4.2 beta 3 15S5100a 10 N/A e550c6d4ec0d0d15d3429def4d4fb96879841267.zip 72,458,772
9 N/A
4.2 beta 4 15S5102b 10 N/A 42fc2d141a6f3c8e1890fec6fa0fc0d64d1ee0c4.zip 72,430,307
9 N/A
4.2.2 beta 15S5530d 10 N/A 3d5f7ef3ac348eae64db75950ee313da38045b56.zip 58,675,037
9 N/A
4.2.2 beta 2 15S5534a 10 N/A 59a730d6d1b515ff2c6911d0d8dfb064858162c1.zip 57,001,051
9 N/A
4.2.2 beta 3 15S5536a 10 N/A ffa5bf8c3c34cbe6164b0c6e9cacb80de97cb403.zip 55,643,663
9 N/A
4.2.2 beta 4 15S5540a 10 N/A b81ac9f4da2c5ec9980589a5244ca5a8bc367442.zip 54,428,348
9 N/A

Watch3,2

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A 9fdc43586be532733aa3379b8e89e2a0c2e2ccc7.zip 1,696,922,233
9 N/A
4.0 15R610 10 N/A babaa0f6d056c208644d1d70ce0cc63cbc9bca38.zip 225,300,261
9 N/A
4.0.1 15R654 10 N/A 2372e16d5a1f6095b5870e7426cb1d7097a27ae6.zip 225,127,781
9 N/A
4.1 beta 15R5823c 10 N/A 6b0896d3b65b2360a4ccfedbc77c9de55e522eaf.zip 205,948,011
9 N/A
4.1 beta 2 15R5835d 10 N/A 97e15e6de641348700bd59585f3e678b9d7e309e.zip 190,674,051
9 N/A
4.1 beta 3 15R5843a 10 N/A 988611d78dd0a2ef7fc05b491538e95b78c8266b.zip 188,267,489
9 N/A
4.1 15R846 10 N/A 8c5e6255e18725378763aad417e5a4bd88d4f32b.zip 187,472,184
9 N/A
4.2 15S102 10 N/A bd5807540884b92550a464cda01b8ca41860f8a5.zip 66,942,875
9 N/A
4.2.2 15S542 10 N/A 66eaba88959904a0690583aa20814928b09410d2.zip 31,370,872
9 N/A
15S600b[1] 4.2 beta 15S5085b 9 N/A 8ad48a6c0c009c49d74a772be903bf52ff593b86.zip 122,884,317
4.2 beta 2 15S5090c 10 N/A 5f7e46409db89a7f8c3ed02a0cfa224a9f54b09b.zip 109,631,799
9 N/A
4.2 beta 3 15S5100a 10 N/A 8c942335398161f59e5bf4d5a5d7c8cf3fc6bf0e.zip 72,468,820
9 N/A
4.2 beta 4 15S5102b 10 N/A 2b38c8f5cfe3506e558997fc1297b1710b5c4dad.zip 72,441,976
9 N/A
4.2.2 beta 15S5530d 10 N/A 54bee0577b19238b2f5bbf6bd3d564d29a97fc09.zip 58,690,616
9 N/A
4.2.2 beta 2 15S5534a 10 N/A 605e894fd9724ac0bb386c23f846e5b538b122c0.zip 57,016,313
9 N/A
4.2.2 beta 3 15S5536a 10 N/A 1f9a7174c555150c27e01096781bfae13ace724e.zip 55,659,518
9 N/A
4.2.2 beta 4 15S5540a 10 N/A 3f63f27c154d903255931a6b76cd11c5913bb767.zip 54,444,202
9 N/A

Watch3,3

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A 7c69e04d01fa155f2f0269f4f5b61dcbaa4ac622.zip 1,621,677,642
9 N/A
4.0 15R607 10 N/A da1131058f7a502cb103cef37ed66094451d4e10.zip 196,150,010
9 N/A
4.1 beta 15R5823c 10 N/A 6267c0bb993dd0cab6b598918d07e32ec057a9a3.zip 175,318,540
9 N/A
4.1 beta 2 15R5835d 10 N/A bc7955fc0c6207db09e6cbb47bda66fcd69090e9.zip 160,047,547
9 N/A
4.1 beta 3 15R5843a 10 N/A ce1a95be33cfb0f01266f5866c6f6ee4e07cce1c.zip 158,841,459
9 N/A
4.1 15R846 10 N/A 21080f8fb92b88fd4dc61b85ea10d06ecd515bbf.zip 157,995,679
9 N/A
4.2 15S102 10 N/A a3e9129925468a68c74c8b28e6230a4199e0ffd7.zip 63,395,738
9 N/A
4.2.2 15S542 10 N/A c56c163634edffff72148ae92647e1050a414a59.zip 29,100,762
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A fb8bac98fad74e5c694b94ca01e2eed423cee155.zip 95,036,282
9 N/A
4.2 beta 2 15S5090c 10 N/A 30dd7d6048124f28006f61230359a4bf41fcacb2.zip 81,926,760
9 N/A
4.2 beta 3 15S5100a 10 N/A f12aeabc16d23df39566785e1c87779d59c94622.zip 69,862,968
9 N/A
4.2 beta 4 15S5102b 10 N/A 5686017ce0b00c685eb41b77abc70e236d53b481.zip 69,835,358
9 N/A
4.2.2 beta 15S5530d 10 N/A 1f557897c96006b098e476b78e92d236d188203e.zip 55,932,089
9 N/A
4.2.2 beta 2 15S5534a 10 N/A 00d3bd52583864cb552070b85031f834a9f95873.zip 54,162,263
9 N/A
4.2.2 beta 3 15S5536a 10 N/A 9dab1c69b6ad7361c2f0b1ccb6c51a456a4b9a3e.zip 52,831,314
9 N/A
4.2.2 beta 4 15S5540a 10 N/A 64dfd6189ca224ab770d288e0145fb57be693fda.zip 51,620,800
9 N/A

Watch3,4

Version Build Prerequisite Version Prerequisite Build Compatibility Version Release Date Release Type OTA Download URL File Size
4.2.3 15S600b N/A 10 19 Feb 2018 N/A 6420f89abfede2600a5d008b0eb8fbfecb0115c6.zip 1,637,024,817
9 N/A
4.0 15R607 10 N/A b77204802d1cb4ef5f726309a069e39a1c6e0a2c.zip 196,184,104
9 N/A
4.1 beta 15R5823c 10 N/A eef55783ae250f913eeb794e6b9396660f7255cb.zip 175,338,463
9 N/A
4.1 beta 2 15R5835d 10 N/A d9676896fe0c456a658d1ed3b126542b69616afc.zip 160,068,690
9 N/A
4.1 beta 3 15R5843a 10 N/A 1ba708bf82e7956a78f5ff4029eb7ad0c2063391.zip 158,877,531
9 N/A
4.1 15R846 10 N/A 128046f33485a43e3b5731745319531723db9895.zip 158,011,247
9 N/A
4.2 15S102 10 N/A d5cb9a97f708da1ac962ca6afeec8a3ffb93252c.zip 63,410,490
9 N/A
4.2.2 15S542 10 N/A ad68b311013151374b6fc9408c295196a642c10f.zip 29,116,662
9 N/A
15S600b[1] 4.2 beta 15S5085b 10 N/A c2cdaa9c59bc54117c13901fd09213da53a7e234.zip 95,056,842
9 N/A
4.2 beta 2 15S5090c 10 N/A f49f1e0b158faff7c0e15a66fc436f415be0b87b.zip 81,948,888
9 N/A
4.2 beta 3 15S5100a 10 N/A db83c212c7b4c20692d1cd17c637a7eccf79a6d6.zip 69,883,741
9 N/A
4.2 beta 4 15S5102b 10 N/A 7c2f29d231d6f39d5903ae3e7177de52fbe35475.zip 69,853,376
9 N/A
4.2.2 beta 15S5530d 10 N/A 56de88a444dc4c2061845c83bb697a1c573ffaab.zip 55,951,131
9 N/A
4.2.2 beta 2 15S5534a 10 N/A 189d816afc004fb8817a7e242e86c5766b577a7f.zip 54,177,506
9 N/A
4.2.2 beta 3 15S5536a 10 N/A 162fdf45992fc803d92804dce3d4e8484f0d93a7.zip 52,847,302
9 N/A
4.2.2 beta 4 15S5540a 10 N/A 97b51383f1084199480d44382238840fb8ba2e51.zip 51,637,249
9 N/A

Notes

  1. ^ a b c d e f g h i j Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 15S600b was listed as 15S6600b.) The listings on this page use the build number displayed on the device.