Download MacOS 12.5.1 Build 21G83 IPSW Firmware Restore Files
Download the IPSW MacOS 12.5.1 (Build 21G83) firmware file released at 17 August 2022 intended to restore Mac Studio (M1 Ultra) via iTunes. IPSW MacOS 12.5.1 build 21G83 is signed by Apple to update Apple device software.