watchOS 5.1 (16R5568d) for Apple Watch Series 4 (40mm, LTE) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
potential future use. They might also be useful if you're doing research.
Release Date October 2, 2018 Upload Date September 27, 2018 Filename 95b65d8ea257fc2d3446237d03ccd96221e78b7f.zip Filesize 1.4 GiB Identifier Watch4,3
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