To update your KeepKey firmware, here are the following steps:

  1. Open the Chrome wallet extension
  2. Hold down the KeepKey button
  3. Plug in your KeepKey
  4. Click "Update Firmware" in the Chrome wallet extension
  5. Hold down the KeepKey button to confirm that you have verified your recovery sentence backup just in case if your private keys are erased
  6. Your KeepKey firmware is now being updated. Do not unplug your device while your firmware is being updated.
  7. Firmware update is complete. Disconnect and reconnect your KeepKey.