Download tvOS 8.2 Build 12D508 IPSW Firmware Restore Files
Download the IPSW tvOS 8.2 (Build 12D508) firmware file released at 09 March 2015 intended to restore Apple TV 3 (2013) via iTunes. IPSW tvOS 8.2 build 12D508 is unsigned by Apple to update Apple device software.
