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

MacBook Pro (M1 Max, 16-inch, 2021) · macOS 26.6.2

25G83Signed

Catalog data · Last updated: Oct 21, 2026, 9:27 PM UTC

Restore IPSW for MacBook Pro (M1 Max, 16-inch, 2021): macOS 26.6.2, build 25G83.

Firmware information

Version: macOS 26.6.2
Build: 25G83
IPSW: Mac restore IPSW, not a macOS installer
Size: 18.41 GB
Release date: Aug 17, 2026, 5:43 PM UTC
File name: UniversalMac_26.6.2_25G83_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_26.6.2_25G83_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-256885503b7f4b06609e9a512f2befd40f59730640a3f1233e3892d60affdd51c95

SHA-14833c12d9d8d330d47216edbcaaf8cb4b926c99a

MD57df89dc33e7c7414c69b7292b32fe64e