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Firmware updates are crucial for maintaining the security integrity of your Cold Card. They often include critical bug fixes, security patches, and new features that enhance usability. Regularly updating ensures your device remains resilient against vulnerabilities and compatible with the latest Bitcoin ecosystem developments. Importantly, firmware upgrades via SD card keep the process airgapped, meaning that sensitive data such as seed phrases stays offline and protected.
Verifying Your Current Firmware Version
Before initiating an update, it's necessary to determine which firmware version your Cold Card is running.
Power on your device and unlock it with your PIN.
Navigate to Advanced / Tools from the main menu.
Select Show Version.