watchOS 4.1 (15R5823c) 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 September 27, 2017 Upload Date September 22, 2017 Filename 50f457cd608aa11cb5066f61a52def51b101624e.zip Filesize 1.1 GiB Identifier Watch1,1
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