macOS 15.6.1 (24G90) for Mac Studio (M1 Ultra)

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Firmware Information

Version 15.6.1

Build ID 24G90

Release Date Aug 20, 2025

Upload Date Aug 18, 2025

Filename UniversalMac_15.6.1_24G90_Restore.ipsw

File Size 15.66 GB

MD5 2c22273091d69ea84723a1f2d36332f3

SHA1 a19ba56bb931769580060647a466c5b2d09da761

Device Information

Device Mac Studio (M1 Ultra)

Identifier Mac13,2

BoardConfig J375dAP

Platform t6002

CPID 24578

BDID 12