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

macOS 15.5 (24F74) for iMac 24-inch (M1, Two Ports, 2021)

✓ Currently Signed

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Firmware Information
Version 15.5
Build ID 24F74
Release Date May 12, 2025
Upload Date May 4, 2025
Filename UniversalMac_15.5_24F74_Restore.ipsw
File Size 15.72 GB
MD5 0812c5e642ea38e19bbfe7fafa9f7d6f
SHA1 9f700c4af3994f17f15c62e07e88d95d3a6d643f
Device Information
Device iMac 24-inch (M1, Two Ports, 2021)
Identifier iMac21,1
BoardConfig J456AP
Platform t8103
CPID 33027
BDID 40