Developer Transition Kit · ADP3,2

Developer Transition Kit · macOS 11.0.1

20B29Signed

Catalog data · Last updated: Oct 21, 2026, 9:26 PM UTC

Restore IPSW for Developer Transition Kit: macOS 11.0.1, build 20B29.

Firmware information

Version: macOS 11.0.1
Build: 20B29
IPSW: Mac restore IPSW, not a macOS installer
Size: 12.68 GB
Release date: Nov 18, 2020, 12:32 AM UTC
File name: UniversalMac_11.0.1_20B29_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_11.0.1_20B29_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-2566f824a0da704975cea2dbcc5a525e9d293be339d4f65e5a6e53dfe94bd0ca9f7

SHA-15f47af2829f02408b7c07cb5938cef6794ea2d5d

MD5c2cd1581dc4f7011767d2ff190e55695