Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.
| ✗ | Apple TV 4 (2015) | tvOS 13.3 (17K449) | December 10, 2019 | 2.1 GiB | AppleTV5,3_13.3_17K449_Restore.ipsw | Download |