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

MacBook Pro (M1 Max, 16-inch, 2021) · macOS 15.3.2

24D81Signed

Catalog data · Last updated: Oct 21, 2026, 7:56 PM UTC

Restore IPSW for MacBook Pro (M1 Max, 16-inch, 2021): macOS 15.3.2, build 24D81.

Firmware information

Version: macOS 15.3.2
Build: 24D81
IPSW: Mac restore IPSW, not a macOS installer
Size: 15.4 GB
Release date: Mar 11, 2025, 6:02 PM UTC
File name: UniversalMac_15.3.2_24D81_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_15.3.2_24D81_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-2564d1e91e1ca7593efb4a607eca6e369107f783d178ab36052016578f78e54bd54

SHA-1733f4cabbc34c9af72e86ebd5f2ea4e1dcbcfc96

MD59e4e8eda1c2fcf3cffcadf06df898d2d