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 12.0 (16J364) | September 17, 2018 | 1.8 GiB | AppleTV5,3_12.0_16J364_Restore.ipsw | Download |