watchOS 4.3 (15T5209a) for Apple Watch (42mm) ✗ 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 March 12, 2018 Upload Date March 9, 2018 Filename 54d13eecfd25494e4ec727c9c6796a5d0005db35.zip Filesize 1.1 GiB Identifier Watch1,2
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