macOS 26.5.1 (25F80) for iMac 24-inch (M1, Two Ports, 2021)

✓ Currently Signed

Download

Direct download URL

Firmware Information

Version 26.5.1

Build ID 25F80

Release Date Jun 1, 2026

Upload Date May 28, 2026

Filename UniversalMac_26.5.1_25F80_Restore.ipsw

File Size 18.41 GB

MD5 85e9cf6b84cbfa7bee108f46ec70269d

SHA1 fee18c64537aaeb934e55b9578e5cddcc2c9218a

Device Information

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

Identifier iMac21,1

BoardConfig J456AP

Platform t8103

CPID 33027

BDID 40