Download tvOS 8.1.1 Build 12B435 IPSW Firmware Restore Files
Download the IPSW tvOS 8.1.1 (Build 12B435) firmware file released at 17 November 2014 intended to restore Apple TV 3 (2013) via iTunes. IPSW tvOS 8.1.1 build 12B435 is unsigned by Apple to update Apple device software.