macOS 26.3 (25D125) for Mac Studio (M1 Ultra)

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Firmware Information

Version 26.3

Build ID 25D125

Release Date Feb 11, 2026

Upload Date Feb 7, 2026

Filename UniversalMac_26.3_25D125_Restore.ipsw

File Size 17.58 GB

MD5 e919e46072c8df928c45bf8b552b710b

SHA1 a51bc838db265ca2cfcd68681953b7a375b56fba

Device Information

Device Mac Studio (M1 Ultra)

Identifier Mac13,2

BoardConfig J375dAP

Platform t6002

CPID 24578

BDID 12