watchOS 5.1.2 (16S46) for Apple Watch Series 4 (40mm) ✗ 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 December 6, 2018 Upload Date November 26, 2018 Filename 987aa08f88531844ceeb788438d17d553b413afd.zip Filesize 1.3 GiB Identifier Watch4,1
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