watchOS 4.3.1 (15T567) for Apple Watch Series 1 (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 May 29, 2018 Upload Date May 18, 2018 Filename 5009ac021d2ec6dc56999055ec962baafdbf52b8.zip Filesize 1.1 GiB Identifier Watch2,7
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