watchOS 4.3.1 (15T5535b) for Apple Watch Series 3 (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 April 2, 2018 Upload Date March 29, 2018 Filename 98f1c92df3b0471d65a8929e767574a82e363663.zip Filesize 1.1 GiB Identifier Watch3,4
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