watchOS 4.0 (15R5371a) for Apple Watch (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 August 28, 2017 Upload Date August 26, 2017 Filename 4e2c0c8568a277634786dac1ac1a105df8466042.zip Filesize 1.1 GiB Identifier Watch1,2
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