MacBook Pro (M1 Max, 16-inch, 2021) · MacBookPro18,2

MacBook Pro (M1 Max, 16-inch, 2021) · macOS 26.0

25A354Signed

Catalog data · Last updated: Oct 23, 2026, 7:06 PM UTC

Restore IPSW for MacBook Pro (M1 Max, 16-inch, 2021): macOS 26.0, build 25A354.

Firmware information

Version: macOS 26.0
Build: 25A354
IPSW: Mac restore IPSW, not a macOS installer
Size: 17.01 GB
Release date: Sep 15, 2025, 5:27 PM UTC
File name: UniversalMac_26.0_25A354_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_26.0_25A354_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-256ec98309d97fdc399f7baa5f1e11d121e8ffda798d885219fee9c4c94b4f219d6

SHA-14f724c214e6925a450a38ced592bfadaccbae696

MD547502f46f2ed0e7f5f5fda06476bee8c