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 17.0 (21J354) | September 18, 2023 | 3.9 GiB | AppleTV5,3_17.0_21J354_Restore.ipsw | Download |