watchOS 5.3 (16U5537b) for Apple Watch Series 3 (38mm) ✗ 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 28, 2019 Upload Date May 23, 2019 Filename 96e2a21a5a515dc8eefe14cfe2d2edf0c17e490e.zip Filesize 1.3 GiB Identifier Watch3,3
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