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

MacBook Air (15-inch, M4, 2025) · macOS 26.5

25F71Signed

Catalog data · Last updated: Oct 21, 2026, 2:10 PM UTC

Restore IPSW for MacBook Air (15-inch, M4, 2025): macOS 26.5, build 25F71.

Firmware information

Version: macOS 26.5
Build: 25F71
IPSW: Mac restore IPSW, not a macOS installer
Size: 18.41 GB
Release date: May 11, 2026, 5:28 PM UTC
File name: UniversalMac_26.5_25F71_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_26.5_25F71_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-256fbaa50395763009b93af4125cad7fe87722b91d8b2576498c0d341a7a5171899

SHA-1e340d9a14cccc6021d0bc93fba4a4ed1d1713610

MD59d4f482e5271684e5dbaa48bfb7ed320