Download audioOS 15.5.1 Build 19L580 IPSW Firmware Restore Files
Download the IPSW audioOS 15.5.1 (Build 19L580) firmware file released at 25 May 2022 intended to restore HomePod mini via iTunes. IPSW audioOS 15.5.1 build 19L580 is unsigned by Apple to update Apple device software.
