watchOS 5.3 (16U5569a) 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 16, 2019 Upload Date July 12, 2019 Filename b2bce649fbf32cfeefd9ea212c13a8a575369084.zip Filesize 1.3 GiB Identifier Watch2,7
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