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 9.0.1 (13T402) | November 9, 2015 | 922 MiB | AppleTV5,3_9.0.1_13T402_Restore.ipsw | Download |