Download tvOS 13.4 Build 17L256 IPSW Firmware Restore Files
Download the IPSW tvOS 13.4 (Build 17L256) firmware file released at 24 March 2020 intended to restore Apple TV 4 (2015) via iTunes. IPSW tvOS 13.4 build 17L256 is unsigned by Apple to update Apple device software.
