watchOS 5.3 (16U5526f) for Apple Watch Series 4 (44mm, 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 May 15, 2019 Upload Date May 13, 2019 Filename 12832e7121b7463199ba68ddf48f2677fdf3a5fa.zip Filesize 1.3 GiB Identifier Watch4,4
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