watchOS 4.2.3 (15S600b) 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 February 19, 2018 Upload Date February 16, 2018 Filename 9fdc43586be532733aa3379b8e89e2a0c2e2ccc7.zip Filesize 1.6 GiB Identifier Watch3,2
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