Download tvOS 15.4 Build 19L440 IPSW Firmware Restore Files
Download the IPSW tvOS 15.4 (Build 19L440) firmware file released at 14 March 2022 intended to restore Apple TV 4 (2015) via iTunes. IPSW tvOS 15.4 build 19L440 is unsigned by Apple to update Apple device software.
