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

MacBook Air (15-inch, M4, 2025) · macOS 15.4

24E248Signed

Catalog data · Last updated: Oct 23, 2026, 7:51 PM UTC

Restore IPSW for MacBook Air (15-inch, M4, 2025): macOS 15.4, build 24E248.

Firmware information

Version: macOS 15.4
Build: 24E248
IPSW: Mac restore IPSW, not a macOS installer
Size: 15.65 GB
Release date: Mar 31, 2025, 5:45 PM UTC
File name: UniversalMac_15.4_24E248_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_15.4_24E248_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-2560435419cce5b4f9d0333c7cd6b48f9821abffd8954c340c7118a21996970e2cb

SHA-1026891199b8609b91a5500b9782f00f0c5b5a9d1

MD58bbac5fcd8e2a9b30d829f8610f732cf