watchOS 5.2.1 (16U5113a) 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 May 7, 2019 Upload Date May 4, 2019 Filename ca6d45d817b7d651cfee72a4f97232a545d1b1e5.zip Filesize 1.3 GiB Identifier Watch2,7
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