watchOS 4.3 (15T5187e) 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 21, 2018 Upload Date February 16, 2018 Filename 6dc8f98be3cdc782bd1b12cf44fd93e25f756513.zip Filesize 1.1 GiB Identifier Watch1,1
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