watchOS 5.3.9 (16U693) for Apple Watch Series 1 (42mm) ✓ 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 4c78b05859500696004f745f921ea588689967e5.zip Filesize 1.3 GiB Identifier Watch2,7
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