watchOS 5.1.1 (16R600) for Apple Watch Series 4 (44mm) ✗ 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 49c96deb525ea2384836e0733335b0239fabd18f.zip Filesize 1.3 GiB Identifier Watch4,2
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