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 15.2 (19K53)

December 13, 2021

3.1 GiB

AppleTV5,3_15.2_19K53_Restore.ipsw

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