watchOS 5.3.6 (16U662) 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 March 24, 2020 Upload Date March 19, 2020 Filename 8c9efdf99fdc71ba4f5c086bc037795b336bfa42.zip Filesize 1.3 GiB Identifier Watch2,6
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