Choose an OTA for the Apple Watch (42mm)

OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.

Unsigned OTAs

watchOS 4.3.2 (15U70)July 9, 20181.1 GiB9cb35404db08be4c17a9cc7894d888a00120d8df.zip
watchOS 4.3.2 (15U5069a)June 25, 20181.1 GiBbeaec2c87d0d01f5317f98f3ef6a71490919b79d.zip
watchOS 4.3.2 (15U5062a)June 13, 20181.1 GiB49c344b882f2ca435cd1d36bf84b38bd5d6d373d.zip
watchOS 4.3.2 (15U5053b)May 30, 20181.1 GiBace342a0abae45e44a168739b79f0efe5fbe81f2.zip
watchOS 4.3.1 (15T567)May 29, 20181.1 GiB4794e9f84f14f91f2c0a5b754b79db526e03329b.zip
watchOS 4.3.1 (15T5567a)May 14, 20181.1 GiBd95a0ff6a67ede818078890f1b953da65b7be92f.zip
watchOS 4.3.1 (15T5565a)May 7, 20181.1 GiBf0a11e0e980908bf3dcf8a182f329155b4ae6936.zip
watchOS 4.3.1 (15T5555c)May 1, 20181.1 GiBcaf38b21d8d099fde1b5fff05990cf24de59dc2c.zip
watchOS 4.3.1 (15T5545b)April 16, 20181.1 GiB7b7223e27183d78356041cda66177da682f805e8.zip
watchOS 4.3.1 (15T5535b)April 2, 20181.1 GiB23c6f50ed458d95db4d18c83b2cd765928a287eb.zip
watchOS 4.3 (15T212)March 29, 20181.1 GiB734a68921b8db6170cf96adbff195a264f5e0bb2.zip
watchOS 4.3 (15T5212a)March 16, 20181.1 GiB5476dbf445ee24230b3be1d7e70ce6217bbd4eb1.zip
watchOS 4.3 (15T5209a)March 12, 20181.1 GiB54d13eecfd25494e4ec727c9c6796a5d0005db35.zip
watchOS 4.3 (15T5199f)March 6, 20181.1 GiBabc65237c19e07a399948f913e359475ef2dd9b6.zip
watchOS 4.3 (15T5187e)February 21, 20181.1 GiB44d4552176ba19fc7dff2c7c73817f871d2be834.zip
watchOS 4.2.3 (15S600b)February 19, 20181.1 GiB95d993b8959b8c968cf0e3d90a3269155ca9db65.zip
watchOS 4.3 (15T5176c)February 7, 20181.1 GiBf56b35ee2f9f5882c5e6b0da8389b34c7c0f66e7.zip
watchOS 4.3 (15T5165e)January 25, 20181.1 GiB10f03976a46e3644d2c81b716a5a7234077c3fa3.zip
watchOS 4.2.2 (15S542)January 19, 20181.1 GiB28335badd5a81ff77878b0d99831cec14bd680f0.zip
watchOS 4.2.2 (15S5540a)January 9, 20181.1 GiB01e73fdf05f2074f1b07c6e52d0ed6eb2d06818c.zip
watchOS 4.2.2 (15S5536a)January 3, 20181.1 GiBb7a4226db986a4aaa6377c2401c49e4e98d3287c.zip
watchOS 4.2.2 (15S5534a)December 19, 20171.1 GiBfe76687104aa16df3ba0854d6e0003446d6e8e18.zip
watchOS 4.2.2 (15S5530d)December 13, 20171.1 GiB857ff8907d36342a0bcafd94ae7aa4c99561b3d4.zip
watchOS 4.2 (15S102)December 5, 20171.1 GiB8de42cc4e554376e623da175c3e203c98989740d.zip
watchOS 4.2 (15S5102b)November 17, 20171.1 GiBb94538905a797c2a2ef423f4afba1c9f9efae33d.zip
watchOS 4.2 (15S5100a)November 13, 20171.1 GiB84ab79fc4489b919d73344561db1c93422cbc770.zip
watchOS 4.2 (15S5090c)November 6, 20171.1 GiBdc6a2fa84fbe4be886313ba338e5d33dd98c476d.zip
watchOS 4.2 (15S5085b)October 30, 20171.1 GiB03348ce419820a30b048e044596acb67d98b7932.zip
watchOS 4.1 (15R846)October 20, 20171.1 GiBb9e191b227fb413b7f09f02efcf10536fa03747d.zip
watchOS 4.1 (15R5843a)October 16, 20171.1 GiB9a4abdb27377a45404e81549fce952c8a0d81e90.zip
watchOS 4.1 (15R5835d)October 9, 20171.1 GiBafbcb34ce11e27a114fdcdf12aad8b7e73ef8910.zip
watchOS 4.1 (15R5823c)September 27, 20171.1 GiB072e4b836092c9054f77f3fa72fc2c74c8ed0777.zip
watchOS 4.0 (15R372)September 12, 20171.1 GiB4b2a10e3de637c553f982604194988c90213478c.zip
watchOS 4.0 (15R5371a)August 28, 20171.1 GiB4e2c0c8568a277634786dac1ac1a105df8466042.zip
watchOS 4.0 (15R5365a)August 22, 20171.1 GiBe8efda84b6a425012da945bd23bac1e40642d15d.zip
watchOS 3.2.3 (14V753)July 19, 2017961 MiB3a49de18897514b8eb350c8b79e34aae6b080ea5.zip
watchOS 3.2.3 (14V5751a)June 26, 2017961 MiB48ae0a5058ef65a76726ac62becd38eded27fea2.zip
watchOS 3.2.3 (14V5744a)June 13, 2017961 MiBb2751370f56d9cc2c1f79e4c987ef19a25dff8e9.zip
watchOS 3.2.3 (14V5734a)May 30, 2017961 MiBe243adc099593ca1ad01e62ed5fe5f404cf61c63.zip
watchOS 3.2.3 (14V5726a)May 16, 2017961 MiBed1432861c89c9b77a70f5a042370f9f8bddc863.zip
watchOS 3.2.2 (14V485)May 15, 2017961 MiBd4d1baa6b538244c774d304488f94e7da327f8a3.zip
watchOS 3.2.2 (14V5485a)April 24, 2017961 MiBfe94819a09dc7bc846770043a1b4eebcf7f0a6fe.zip
watchOS 3.2.2 (14V5480a)April 17, 2017961 MiB17191807777c284ade6d2dd7209a72384956e63e.zip
watchOS 3.2.2 (14V5475a)April 10, 2017961 MiB26d5a84bbcaa9146baf41c29bfc75fa3f4761a61.zip
watchOS 3.2.2 (14V5465b)March 28, 2017961 MiB997beb19c05bb2f4647c51468b8f207621cbc21e.zip
watchOS 3.2 (14V249)March 27, 2017961 MiB5394e91ccbd59fcc59e4b4ae83d23e21ed496dfd.zip
watchOS 3.2 (14V5249a)March 20, 2017960 MiB899be08626153390e22992b59aa7b245f3095612.zip
watchOS 3.2 (14V5245a)March 14, 2017960 MiBf56f341054702e63820ac459323e988ea17c3b55.zip
watchOS 3.2 (14V5243a)March 8, 2017960 MiB862b92b80ad7ee06c4137cf2a0459551866c297d.zip
watchOS 3.2 (14V5235b)February 27, 2017960 MiB8d31e81e8868f5adf940e1611388934557a07f8f.zip
watchOS 3.2 (14V5224d)February 20, 2017959 MiB789ea64cf8e3bbd1fbd164076897d35907c88e8a.zip
watchOS 3.2 (14V5214d)February 6, 2017958 MiBbaf38fe9eab1e1bba4e46b9688a50b4a8b73b874.zip
watchOS 3.2 (14V5205d)January 30, 2017987 MiB9226d67f8398abc63134d2a7dc8627d9f78c0893.zip
watchOS 3.1.3 (14S960)January 23, 2017943 MiBe55cdc50b6bf5a014b4678083415802880a9234c.zip
watchOS 3.1.3 (14S959)January 9, 2017943 MiBda430a7f4473595cedb662c5360bf60c7c8ff04d.zip
watchOS 3.1.3 (14S958)December 21, 2016944 MiBff024c3020c7692548aad89309019c23f16e06c9.zip
watchOS 3.1.1 (14S883)December 5, 2016943 MiBed0bf2eb3a6332874c8bf94cdf72cd196f1a62fe.zip
watchOS 3.1.1 (14S879)November 28, 2016943 MiBf93e9a3a6c1a0e1f46b9a0d153485d891ed334bc.zip
watchOS 3.1.1 (14S5875b)November 15, 2016943 MiBf7b00f6ced1110285e26e5bc7c62fe55fdd0ed7a.zip
watchOS 3.1.1 (14S5869b)November 7, 2016945 MiB8f082a73db855dcf4bab9eba58c65075f3b3c3f7.zip
watchOS 3.1.1 (14S5862d)October 31, 2016945 MiB0c087eda1306ea399c8e63826752e6fa132dc24c.zip
watchOS 3.1 (14S471)October 12, 2016935 MiB8d4685a4b26e71be839ad8e14439ea8c6f4f60fa.zip
watchOS 3.1 (14S464)October 4, 2016935 MiB6042793fee4d61663990466f42eac24ba929ae69.zip
watchOS 3.1 (14S452)September 21, 2016930 MiB824330be2c3d4ab90c3f9e80f695a4b85e95a0a9.zip
watchOS 3.0 (14S326)September 7, 2016933 MiB70ba0f2c40bf7917cc24d6a9784855379c5f45e9.zip
watchOS 3.0 (14S5321a)August 15, 2016928 MiBb52c3829a3ad724a830183f6585aa431d174ed7f.zip
watchOS 3.0 (14S5315a)August 9, 2016928 MiB6be58fd7b435ff59617c52b067e51c6cdfea83ae.zip
watchOS 3.0 (14S5302d)August 1, 2016927 MiB26031382818e2891148a92043160e78610722800.zip
watchOS 3.0 (14S5290d)July 18, 2016916 MiB1d4aa98b47e199e1f36730e46beb7108a9c632ce.zip
watchOS 3.0 (14S5278d)July 5, 2016911 MiBc408dbaf5fd86a889a4e8db8ba637ae1fcd8d295.zip
watchOS 2.2.2 (13V604)July 18, 2016702 MiB9ed4dffb9a7603918e7cfc5ac158b28e23abfe82.zip
watchOS 3.0 (14S5247t)June 13, 2016907 MiB12659270793d5450b247ac1300dbaf92142f7734.zip
watchOS 2.2.2 (13V601)June 6, 2016702 MiBb430b17f8e4133b851cdafb6974064107beb4e7d.zip
watchOS 2.2.1 (13V420)April 20, 2016702 MiBcc43b650ba52e0c206b169240acd605acd64617f.zip
watchOS 2.2.1 (13V413)April 6, 2016702 MiB5244e29002df3cc89ec5bf69662a143bfe846d72.zip
watchOS 2.2 (13V144)March 21, 2016701 MiBcb97b6428d6698261550d3aed12746a11577faf2.zip
This page omits OTA downloads with version prerequisites. You can view these on this API endpoint.
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