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 14.3 (18K561)

December 14, 2020

2.7 GiB

AppleTV5,3_14.3_18K561_Restore.ipsw

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