macOS 26.1 (25B78) for MacBook Air (13-inch, M4, 2025)

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Firmware Information

Version 26.1

Build ID 25B78

Release Date Nov 4, 2025

Upload Date Oct 30, 2025

Filename UniversalMac_26.1_25B78_Restore.ipsw

File Size 17.43 GB

MD5 e270ede6a1eba02253ac42bcd76dab4b

SHA1 479d6bb78f069062ca016d496fd50804b673e815

Device Information

Device MacBook Air (13-inch, M4, 2025)

Identifier Mac16,12

BoardConfig J713AP

Platform t8132

CPID 33074

BDID 44