watchOS 5.3 (16U569) 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 July 22, 2019 Upload Date July 16, 2019 Filename 05e81b293a7d320fdcac6aa9c43eb94e936cd479.zip Filesize 1.3 GiB Identifier Watch2,7
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