watchOS 5.1.3 (16S535) 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 January 22, 2019 Upload Date January 11, 2019 Filename 63062ede68a91d62282c3d633b9c96f9a3a4cbbe.zip Filesize 1.3 GiB Identifier Watch3,3
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