watchOS 5.3 (16U5566a) 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 July 9, 2019 Upload Date July 3, 2019 Filename 839bf9b1d8c5a6c50814f57665ae5a150eb62f32.zip Filesize 1.3 GiB Identifier Watch3,3
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