watchOS 4.2.3 (15S600b) for Apple Watch (38mm) ✗ 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 February 19, 2018 Upload Date February 16, 2018 Filename c39802786e6491e8067d80293553607a357844e1.zip Filesize 1.1 GiB Identifier Watch1,1
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