watchOS 5.1.3 (16S5535a) for Apple Watch Series 2 (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 January 7, 2019 Upload Date January 4, 2019 Filename 5210277fd6f1bfcf63037b1000a338870f4eb09f.zip Filesize 1.3 GiB Identifier Watch2,3
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