watchOS 5.3 (16U5566a) 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 July 9, 2019 Upload Date July 3, 2019 Filename 3d6fc4b8faf2a7c241c834e2f4a52a2d2aa40122.zip Filesize 1.3 GiB Identifier Watch3,4
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