watchOS 5.3.3 (16U620) 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 October 29, 2019 Upload Date October 17, 2019 Filename a101b9230f3ba2c652c8b84945b53ef0295743a0.zip Filesize 1.3 GiB Identifier Watch3,4
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