COLDCARD Support

Find official COLDCARD setup, model, backup, signing, software, firmware, troubleshooting, and order help.

Backups and Recovery

Choose the correct backup or recovery path without exposing a wallet secret.

Official firmware downloads, verification, upgrade, and release-history routes.

Official first-run routes for Q, Mk5, and Mk4.

Go directly to help for the COLDCARD model you use.

Official routes for buying COLDCARD and asking about an existing order.

Routes to current PSBT signing instructions for each supported transport.

Choose coordinator software and the matching COLDCARD export and signing route.

Start with the visible symptom, model, and firmware version. Keep wallet secrets private.