macOS 26.5.2 (25F84) for iMac 24-inch (M1, Four Ports, 2021)

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Firmware Information

Version 26.5.2

Build ID 25F84

Release Date Jun 29, 2026

Upload Date Jun 25, 2026

Filename UniversalMac_26.5.2_25F84_Restore.ipsw

File Size 18.41 GB

MD5 81027e4572ce09b21f99418d8c39c5bc

SHA1 a6dec8ec379533876d8ceea3d82ce482034e24ae

Device Information

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

Identifier iMac21,2

BoardConfig J457AP

Platform t8103

CPID 33027

BDID 42