watchOS 4.2 (15S5100a) for Apple Watch Series 3 (38mm) ✗ 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 November 13, 2017 Upload Date November 10, 2017 Filename 1dd9746c4858f43e6886b38fef7ed7c96798e195.zip Filesize 1.5 GiB Identifier Watch3,3
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