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

MacBook Pro (M1, Late 2020) · macOS 11.5

20G71Signed

Catalog data · Last updated: Oct 23, 2026, 3:18 AM UTC

Restore IPSW for MacBook Pro (M1, Late 2020): macOS 11.5, build 20G71.

Firmware information

Version: macOS 11.5
Build: 20G71
IPSW: Mac restore IPSW, not a macOS installer
Size: 13.01 GB
Release date: Jul 21, 2021, 5:30 PM UTC
File name: UniversalMac_11.5_20G71_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_11.5_20G71_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-2567f926ba7f6e536cb0a09ac7dc4ab1faf174ddb4d5344c6135aca23e75a38800a

SHA-19ab736e121472c64f8550597c77ca6077170463d

MD590775fd2bcfe7e70ef0ee0bbe2d8bf92