tvOS 13.3 (17K6449) 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 10, 2019 Upload Date December 3, 2019 Filename 8a3cea4b57f0f38066ff49941bc987e9c37b74f7.zip Filesize 1.6 GiB Identifier AppleTV5,3
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