OTA Updates/Apple Watch/2.1

From The Apple Wiki

Apple Watch (1st generation)[edit]

watchOS "1.0" and "1.0.1" are marketing versions; their true OS versions were 8.2 and 8.2.1, respectively. Since the OS version and marketing version now match as of watchOS 2.0, a fake OS version of 9.0 is specified for devices on watchOS 1.0 or 1.0.1 (watchOS 9.0 became reality in 2022).

Watch1,1[edit]

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
2.1 13S661 8.2 12S507 8 December 2015 ba52c2b25e94127bc41562af1a545522af9677c3.zip 556,810,035
8.2.1 12S632 254484fe33294fbc9b359cfdb3d4e425c33edc33.zip 550,558,222
2.0 13S344 1f0f8ececb8eb6a67c8e8fe5a4be7f813103d579.zip 84,812,161
2.0.1 13S428 dd42b504aa8bf988d7a7c7e2aa878e877391b0cf.zip 59,810,320
2.0 beta 13S5254w 1818b54e396fe38d2a0a295348b0c23590bda46f.zip 424,163,269
2.0 beta 2 13S5255c 62128fd0455a1ce29cdfff22b984ac70f2b6e9bc.zip 424,136,063
2.0 beta 3 13S5255d a44c8975dd25d749bb30540d48170fd1f80f6825.zip 424,141,314
2.0 beta 4 13S5293f c396d9c4a967ce57dae685ca0c193da2a8236bc7.zip 324,808,318
2.0 beta 5 13S5305d b1cc50192f4b0943b15a9988dff8622f1e0d9350.zip 282,482,897
2.0 beta 6 13S5325c eec852023102ee52679b18a8a853116961a21ad4.zip 216,402,234

Watch1,2[edit]

Version Build Prerequisite Version Prerequisite Build Release Date OTA Download URL File Size
2.1 13S661 8.2 12S507 8 December 2015 9abab0ed1d522f72672faf7452ab2274a65fdb7b.zip 554,769,394
8.2.1 12S632 3977e84b9c0cf3d212fab658f99d154022544881.zip 548,505,580
2.0 13S344 ce240d60b92d6f02c09dceb6a820a9d355d5447a.zip 84,839,855
2.0.1 13S428 df046ad4a431b1ce22579cca4de228a3e3c24847.zip 59,863,857