macOS 15.4 (24E248) for iMac 24-inch (M1, Two Ports, 2021)

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Firmware Information

Version 15.4

Build ID 24E248

Release Date Mar 31, 2025

Upload Date Mar 28, 2025

Filename UniversalMac_15.4_24E248_Restore.ipsw

File Size 15.65 GB

MD5 8bbac5fcd8e2a9b30d829f8610f732cf

SHA1 026891199b8609b91a5500b9782f00f0c5b5a9d1

Device Information

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

Identifier iMac21,1

BoardConfig J456AP

Platform t8103

CPID 33027

BDID 40