Identify Your Device

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

Device Information

  • Identifier
    iMac21,1
  • BoardConfig
    J456AP
  • Platform
    t8103
  • BDID
    40
  • CPID
    33027
Download (12.92 GB)

Firmware Information

  • Release Date
    31st March 2022
  • Upload Date
    26th March 2022
  • Filename
    UniversalMac_12.3.1_21E258_Restore.ipsw
  • Filesize
    12.92 GB
  • MD5sum
    6c943a751207e9e06ab018a7bb568d40
  • SHA1sum
    81033c922c5d43f57907d063fb01865f4c856b37
  • Identifier
    iMac21,1