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 11.2 (15K106) | December 4, 2017 | 1.6 GiB | AppleTV5,3_11.2_15K106_Restore.ipsw | Download |