watchOS 6.1 (17S5076a) for Apple Watch Series 4 (40mm) ✗ 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 16, 2019 Upload Date October 14, 2019 Filename fb42725667486d84dfe31f5eb161d4a74a460016.zip Filesize 1.4 GiB Identifier Watch4,1
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