macOS 12.3.1 (21E258) for iMac 24-inch (M1, Two Ports, 2021)

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Firmware Information

Version 12.3.1

Build ID 21E258

Release Date Mar 31, 2022

Upload Date Mar 26, 2022

Filename UniversalMac_12.3.1_21E258_Restore.ipsw

File Size 12.92 GB

MD5 6c943a751207e9e06ab018a7bb568d40

SHA1 81033c922c5d43f57907d063fb01865f4c856b37

Device Information

Device iMac 24-inch (M1, Two Ports, 2021)

Identifier iMac21,1

BoardConfig J456AP

Platform t8103

CPID 33027

BDID 40