watchOS 5.3.1 (16U600) for Apple Watch Series 3 (42mm) ✗ 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 August 26, 2019 Upload Date August 22, 2019 Filename 20e73e126a4cf8b15b2b8df350c570b4876b93b5.zip Filesize 1.3 GiB Identifier Watch3,4
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