Download MacOS 11.5 Build 20G71 IPSW Firmware Restore Files
Download the IPSW MacOS 11.5 (Build 20G71) firmware file released at 21 July 2021 intended to restore iMac 24-inch (M1, Four Ports, 2021) via iTunes. IPSW MacOS 11.5 build 20G71 is signed by Apple to update Apple device software.
