watchOS 5.3.8 (16U680) for Apple Watch Series 4 (40mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date July 15, 2020 Upload Date July 7, 2020 Filename 9acb94ff364f7b28e8e80a0a967aa0291ea284b2.zip Filesize 1.3 GiB Identifier Watch4,1
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