Download audioOS 15.1.1 Build 19J582 IPSW Firmware Restore Files
Download the IPSW audioOS 15.1.1 (Build 19J582) firmware file released at 03 November 2021 intended to restore HomePod mini via iTunes. IPSW audioOS 15.1.1 build 19J582 is unsigned by Apple to update Apple device software.