macOS 26.4.1 (25E253) for iMac 24-inch (M1, Two Ports, 2021)

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Firmware Information

Version 26.4.1

Build ID 25E253

Release Date Apr 9, 2026

Upload Date Apr 7, 2026

Filename UniversalMac_26.4.1_25E253_Restore.ipsw

File Size 18.38 GB

MD5 3b7a661ca701ad50b80ae62cbf2e41e3

SHA1 03078f4af82bff5473398ca49f99288c76253fe8

Device Information

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

Identifier iMac21,1

BoardConfig J456AP

Platform t8103

CPID 33027

BDID 40