watchOS 5.1.1 (16R600) for Apple Watch Series 1 (42mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date November 5, 2018 Upload Date October 31, 2018 Filename f540df567f17a55f72ac97878eb0355a4f24b723.zip Filesize 1.3 GiB Identifier Watch2,7
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