MacBook Air (15-inch, M4, 2025) · Mac16,13

MacBook Air (15-inch, M4, 2025) · macOS 26.6.1

25G76Signed

Catalog data · Last updated: Oct 21, 2026, 8:41 PM UTC

Restore IPSW for MacBook Air (15-inch, M4, 2025): macOS 26.6.1, build 25G76.

Firmware information

Version: macOS 26.6.1
Build: 25G76
IPSW: Mac restore IPSW, not a macOS installer
Size: 18.41 GB
Release date: Aug 6, 2026, 5:20 PM UTC
File name: UniversalMac_26.6.1_25G76_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comUniversalMac_26.6.1_25G76_Restore.ipsw

Back up before you restore. A restore can erase the data on the device. The identifier has to match, and a file you can download may still be rejected for restore. This is Mac restore firmware, not a regular macOS installer. The restore steps depend on the model.

Checksum

SHA-256ebea9fbe4afd84eed0a4f9673b75cd0f46e15576e01615026368b6e5f1af0f03

SHA-1f9d12dadabc5a5b3090bc92c6f4027961a999024

MD52ffeafb4cdfc142e44e0fb8d2d259987