Download audioOS 14.2.1 Build 18K75 IPSW Firmware Restore Files
Download the IPSW audioOS 14.2.1 (Build 18K75) firmware file released at 07 December 2020 intended to restore HomePod mini via iTunes. IPSW audioOS 14.2.1 build 18K75 is unsigned by Apple to update Apple device software.
