macOS 26.5 (25F71) for iMac 24-inch (M1, Two Ports, 2021)

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Firmware Information

Version 26.5

Build ID 25F71

Release Date May 11, 2026

Upload Date May 1, 2026

Filename UniversalMac_26.5_25F71_Restore.ipsw

File Size 18.41 GB

MD5 9d4f482e5271684e5dbaa48bfb7ed320

SHA1 e340d9a14cccc6021d0bc93fba4a4ed1d1713610

Device Information

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

Identifier iMac21,1

BoardConfig J456AP

Platform t8103

CPID 33027

BDID 40