watchOS 6.3 (17U208) 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 December 14, 2020 Upload Date December 8, 2020 Filename 916c7c381f6173bff2a8ebec8fe5539cc8dde8dc.zip Filesize 1.4 GiB Identifier Watch2,6
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