watchOS 5.3 (16U5526f) for Apple Watch Series 4 (44mm) ✗ 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 May 15, 2019 Upload Date May 13, 2019 Filename 6d30cd0284cd3a7b0a3060e1756243760a8241a3.zip Filesize 1.3 GiB Identifier Watch4,2
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