watchOS 5.3.9 (16U693) for Apple Watch Series 4 (40mm) ✓ This OTA is 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 November 5, 2020 Upload Date October 30, 2020 Filename 03e2aea5b164ae7cd0649a228f166f85e1617094.zip Filesize 1.3 GiB Identifier Watch4,1
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