watchOS 5.1.3 (16S5535a) for Apple Watch Series 3 (42mm, 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 January 7, 2019 Upload Date January 4, 2019 Filename c6d031d04ecac62f37592255ecbcad9632c3c992.zip Filesize 1.3 GiB Identifier Watch3,2
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