watchOS 5.2.1 (16U5091b) for Apple Watch Series 1 (38mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date April 8, 2019 Upload Date April 4, 2019 Filename fe7e5379a21cb8d4ffd9174cd288583204c568f0.zip Filesize 1.3 GiB Identifier Watch2,6
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