watchOS 5.1 (16R5584a) 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 15, 2018 Upload Date October 11, 2018 Filename 5d18c734e676e161d59d56085f97887cd6256a0e.zip Filesize 1.3 GiB Identifier Watch3,4
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