Download MacOS 12.3 Build 21E230 IPSW Firmware Restore Files
Download the IPSW MacOS 12.3 (Build 21E230) firmware file released at 14 March 2022 intended to restore MacBook Air (M1, Late 2020) via iTunes. IPSW MacOS 12.3 build 21E230 is signed by Apple to update Apple device software.
