Electrum Wallet for Coldcard

Please visit the main Electrum site to get version 3.2.3 or later, which now supports Coldcard out of the box.

We strongly recommend you personally verify the GPG signatures that are shared on that page. It's important to trust the source of your desktop wallet software.

Coldcard Firmware

Please visit this page for the latest firmware for the Coldcard itself, and how to upgrade.