watchOS 5.2.1 (16U5091b) 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 April 8, 2019 Upload Date April 4, 2019 Filename b1ff06062eac0c13718fe8c175815813221b0436.zip Filesize 1.3 GiB Identifier Watch2,7
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