tvOS 13.3 (17K5449a) for Apple TV 4 (2015) ✗ 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 December 5, 2019 Upload Date November 22, 2019 Filename 803f918c00b25adc7da36ba49c20379bd4d0684b.zip Filesize 1.6 GiB Identifier AppleTV5,3
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