watchOS 4.0 (15R372) 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 September 12, 2017 Upload Date August 31, 2017 Filename 4b2a10e3de637c553f982604194988c90213478c.zip Filesize 1.1 GiB Identifier Watch1,2
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