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BTC-Only：Firmware Update via USB

We offer a Bitcoin-only firmware version that minimizes the code base and attack surface for bitcoin users.

Upgrading your Keystone wallet is easy, and here is the way to download Bitcoin-Only Firmware and update via USB.

tip

Upgrade to the BTC-Only firmware knowing that you won't be able to revert to multi-coin afterward.

What you’ll need​

  • Keystone 3 Pro
  • USB Cable
  • Computer

Steps​

tip

If your Keystone 3 pro firmware version is below 1.0.4, you will need to perform the initial update using a MicroSD card before you can proceed with USB updates.

  • Check Battery: Ensure your Keystone wallet has at least 20% battery charge.

  • Connect:

    • Tap the [···] icon at the top right of the main page > [Device Settings] > [System Settings] > [About] > [Firmware Update].
    • Tap on [via USB] and use the USB cable to connect your Keystone wallet to your computer.
    • Tap [Approve] to grant your Keystone wallet USB access, as it might otherwise only allow charging.

  • Update:

    • Open your computer's web browser and go to the Firmware Update page.

    • Browse to the Keystone 3 Pro Bitcoin-Only Firmware directory on the official website firmware upgrade page.

    • Click the "WebUSB Update" button.

    • It will automatically select the "Bitcoin-Only" firmware.

    • Click on "Connect" to proceed.

That's it! Your Keystone wallet firmware will be updated.