watchOS 5.2.1 (16U5079d) 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 March 28, 2019 Upload Date March 21, 2019 Filename 920c87b4dd20ac03db50c43388b1cbd552b38d52.zip Filesize 1.3 GiB Identifier Watch2,7
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