watchOS 5.3.8 (16U680) for Apple Watch Series 4 (40mm, LTE) ✗ 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 19c462faf582d35bace46ed4eb82e2239e3084cf.zip Filesize 1.4 GiB Identifier Watch4,3
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