macOS 26.4.1 (25E253) for Mac Studio (M1 Ultra)

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Firmware Information

Version 26.4.1

Build ID 25E253

Release Date Apr 9, 2026

Upload Date Apr 7, 2026

Filename UniversalMac_26.4.1_25E253_Restore.ipsw

File Size 18.38 GB

MD5 3b7a661ca701ad50b80ae62cbf2e41e3

SHA1 03078f4af82bff5473398ca49f99288c76253fe8

Device Information

Device Mac Studio (M1 Ultra)

Identifier Mac13,2

BoardConfig J375dAP

Platform t6002

CPID 24578

BDID 12