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 26.4 (23L243)

March 24, 2026

4.9 GiB

AppleTV5,3_26.4_23L243_Restore.ipsw

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