watchOS 5.3.7 (16U674) 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 May 18, 2020 Upload Date May 8, 2020 Filename 85ab7fbc31a311bf3d1efcc95232e2aca377069e.zip Filesize 1.3 GiB Identifier Watch2,6
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