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

MacBook Pro (M1 Max, 16-inch, 2021) · macOS 15.6

24G84Signed

Catalog data · Last updated: Oct 23, 2026, 8:34 AM UTC

Restore IPSW for MacBook Pro (M1 Max, 16-inch, 2021): macOS 15.6, build 24G84.

Firmware information

Version: macOS 15.6
Build: 24G84
IPSW: Mac restore IPSW, not a macOS installer
Size: 15.66 GB
Release date: Jul 29, 2025, 5:33 PM UTC
File name: UniversalMac_15.6_24G84_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_15.6_24G84_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-2568fbeaca047b66bcbc8ea557f2b3f95bcb84cd0f60cbfdadb52fc23ecfe671317

SHA-17dd9ab8dba1e088c297934f7d14a0df144f7ec91

MD52ebb056bd4315b93785f3d8b17ec18a0