macOS 15.3.1 (24D70) for iMac 24-inch (M1, Two Ports, 2021)

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Firmware Information

Version 15.3.1

Build ID 24D70

Release Date Feb 10, 2025

Upload Date Feb 5, 2025

Filename UniversalMac_15.3.1_24D70_Restore.ipsw

File Size 15.40 GB

MD5 8bf666a8d89382b396a55d02594144eb

SHA1 c2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb

Device Information

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

Identifier iMac21,1

BoardConfig J456AP

Platform t8103

CPID 33027

BDID 40