COLDCARD Security Update Fixed firmware is available. Check if you need to migrate your seed. Learn more
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Firmware Downloads

Update before wallet setup. Inspect the bag and set a PIN, then stop at the main menu. Install and confirm the recommended firmware before choosing a seed or restore option. Updates do not change existing seeds. Read the upgrade instructions
COLDCARD Mk5/Mk4

COLDCARD Mk5/Mk4

Current version: 5.6.1 Fixed release

Download 5.6.1 All files for Mk
COLDCARD Q

COLDCARD Q

Current version: 1.5.1Q Fixed release

Download 1.5.1Q All files for Q

COLDCARD Mk5/Mk4 (EDGE)

Current version: 6.6.1X Fixed release

List files for Mk EDGE

COLDCARD Q (EDGE)

Current version: 6.6.1QX Fixed release

List files for Q EDGE

COLDCARD Mk4

Current version: 5.4.5

All files for Mk4

COLDCARD Mk3 and Mk2

Current version: 4.2.0 Fixed release

All files for Mk3

COLDCARD Mk1

Current version: 3.0.6

All files for Mk1

All downloadable files