watchOS 4.0 (15R5365a) for Apple Watch Series 1 (42mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date August 22, 2017 Upload Date August 19, 2017 Filename a700bea6fbf3477d3dd3a2acdd72b2996c90c697.zip Filesize 1.1 GiB Identifier Watch2,7
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