watchOS 5.1 (16R5584a) for Apple Watch Series 4 (44mm, 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 15, 2018 Upload Date October 11, 2018 Filename e0f696756e699b01fe18b3e039895d32336c26d6.zip Filesize 1.4 GiB Identifier Watch4,4
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