macOS 13.3.1 (22E261) for iMac 24-inch (M1, Two Ports, 2021)

Device Information

  • Identifier
    iMac21,1
  • BoardConfig
    J456AP
  • Platform
    t8103
  • BDID
    40
  • CPID
    33027

Firmware Information

  • Release Date
    7th April 2023
  • Upload Date
    3rd April 2023
  • Filename
    UniversalMac_13.3.1_22E261_Restore.ipsw
  • Filesize
    11.85 GB
  • MD5sum
    238108a4bf8e47b387af0d784680c370
  • SHA1sum
    e8e862f31c6390f5d66c37139dc84493639e14d0
  • Identifier
    iMac21,1