Download tvOS 8.4.2 Build 12H864 IPSW Firmware Restore Files
Download the IPSW tvOS 8.4.2 (Build 12H864) firmware file released at 22 July 2019 intended to restore Apple TV 3 (2013) via iTunes. IPSW tvOS 8.4.2 build 12H864 is unsigned by Apple to update Apple device software.