watchOS 5.1 (16R5589c) for Apple Watch Series 3 (42mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
potential future use. They might also be useful if you're doing research.
Release Date October 22, 2018 Upload Date October 19, 2018 Filename 0b81582043029bc0af47cd9439eeed18cb849cc2.zip Filesize 1.3 GiB Identifier Watch3,4
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