watchOS 5.2.1 (16U5110a) for Apple Watch Series 4 (40mm, 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 April 29, 2019 Upload Date April 26, 2019 Filename 7ef5693c469a51b76fa1779118646c5291affc1c.zip Filesize 1.4 GiB Identifier Watch4,3
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