Signed IPSW files can be restored via Finder, the Apple Devices app, iTunes, or idevicerestore. Unsigned IPSWs cannot currently be restored to.

Unsigned IPSWs

✗

Apple TV 4 (2015)

tvOS 18.3.1 (22K561)

March 11, 2025

4.5 GiB

AppleTV5,3_18.3.1_22K561_Restore.ipsw

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