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 15.5 (19L570)

May 16, 2022

3.2 GiB

AppleTV5,3_15.5_19L570_Restore.ipsw

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