watchOS 4.2 (15S5090c) 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 November 6, 2017 Upload Date November 2, 2017 Filename 23bd1242f7c20ce6390f0b20464253deb7b7bcb8.zip Filesize 1.5 GiB Identifier Watch3,4
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