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

MacBook Air (15-inch, M4, 2025) · macOS 26.2

25C56Signed

Catalog data · Last updated: Oct 21, 2026, 7:41 PM UTC

Restore IPSW for MacBook Air (15-inch, M4, 2025): macOS 26.2, build 25C56.

Firmware information

Version: macOS 26.2
Build: 25C56
IPSW: Mac restore IPSW, not a macOS installer
Size: 17.45 GB
Release date: Dec 12, 2025, 6:16 PM UTC
File name: UniversalMac_26.2_25C56_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_26.2_25C56_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-256bc7c67b2a2cc4ac8c9da0c2b149b9f31e153cd542ce387e6fb8620e41b5278ef

SHA-1f034b05ce26abe3c8e5ae8f1f6574119b10cafbe

MD5285226832f98f5676f540cdb7ee44b6b