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

MacBook Pro (M1 Max, 16-inch, 2021) · macOS 13.4.1

22F82Signed

Catalog data · Last updated: Oct 21, 2026, 4:56 PM UTC

Restore IPSW for MacBook Pro (M1 Max, 16-inch, 2021): macOS 13.4.1, build 22F82.

Firmware information

Version: macOS 13.4.1
Build: 22F82
IPSW: Mac restore IPSW, not a macOS installer
Size: 11.86 GB
Release date: Jun 21, 2023, 5:28 PM UTC
File name: UniversalMac_13.4.1_22F82_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_13.4.1_22F82_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-2565ac144d1661614806d765bc0466d719152e2594c2db3888f1ac02276f5638e98

SHA-17c71dac63a98c94a0a0d1561adf3355748238bf6

MD5acd17423a6de261121454513f0a2b814