watchOS 4.2 (15S102) 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 December 5, 2017 Upload Date November 28, 2017 Filename 5b2b179748f8af9f157c85062482d553cfd69b79.zip Filesize 1.5 GiB Identifier Watch3,4
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