Download tvOS 4.2.1 Build 8C154 IPSW Firmware Restore Files
Download the IPSW tvOS 4.2.1 (Build 8C154) firmware file released at 13 December 2010 intended to restore Apple TV 2G via iTunes. IPSW tvOS 4.2.1 build 8C154 is unsigned by Apple to update Apple device software.
