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 15.5.1 (19L580) | May 25, 2022 | 3.2 GiB | AppleTV5,3_15.5.1_19L580_Restore.ipsw | Download |