watchOS 5.1 (16R5584a) for Apple Watch Series 4 (40mm, LTE) ✗ 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 15, 2018 Upload Date October 11, 2018 Filename 2f2522d0df12c759c04701e3f0350d46bc3596b6.zip Filesize 1.4 GiB Identifier Watch4,3
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