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 11.4.1 (15M73) | July 9, 2018 | 1.6 GiB | AppleTV5,3_11.4.1_15M73_Restore.ipsw | Download |