watchOS 4.0 (15R5371a) for Apple Watch (38mm) ✗ 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 b7c330ac1460998bacce6047cd6595e8409caeca.zip Filesize 1.0 GiB Identifier Watch1,1
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