MacBook Pro (M1, Late 2020) · MacBookPro17,1

MacBook Pro (M1, Late 2020) · macOS 11.3

20E232Signed

Catalog data · Last updated: Oct 23, 2026, 9:36 PM UTC

Restore IPSW for MacBook Pro (M1, Late 2020): macOS 11.3, build 20E232.

Firmware information

Version: macOS 11.3
Build: 20E232
IPSW: Mac restore IPSW, not a macOS installer
Size: 12.99 GB
Release date: Apr 26, 2021, 5:48 PM UTC
File name: UniversalMac_11.3_20E232_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_11.3_20E232_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-256dd33948c5e7fc16321aba8c96267301d9c6fb1c6bbe0aba13aad8f5646c7962d

SHA-14794880d551c9ba25e024e8b641744c464cd5023

MD5eab5bb78a428aa4c7e4ea95808680d3d