➡️| 3.12Tutorial for version 2.4.03

This tutorial demonstrates firmware upgrade based on version 2.4.03

Reference Links:

1. Driver Download Link: https://wallet.keypal.pro/data/client/zadig-2.5.exe

2. Firmware Upgrade Website: https://connect.keypal.pro/ (Open in Google Chrome)

*This update includes the following main contents:

1. Fixed Bluetooth communication length limit.

2. Fixed the issue of automatic connection to Android after power on.

3. Increased the supported data volume for Tron transactions to 3K.

Note: In this upgrade process, the one-click upgrade is supported, and there is no need to plug and unplug the data cable.

1.Not activated - meaning that the hardware device has not been created with a password, you can enter upgrade mode using the following method.

2.Already Activated - If the hardware device has already generated a mnemonic, you can proceed with the following tutorial for direct upgrade.

You can see the prompt in the following image, click on 'Upgrade Available'.

1-1. In the firmware upgrade interface, you can see the version information for firmware upgrade. Click on 'Upgrade Firmware'.

1-2. Please confirm that you have fully backed up the mnemonic information. Check 'Yes, I have backed up' and click on 'Continue'.

1-3. When you see the prompt 'Device is ready,' click on 'Upgrade Firmware.' Follow the prompts to press the 'Yes' button on KeyPal and start the update.

1-4. Confirm the upgrade operation and press the device's right button to confirm.

1-5. Wait for the upgrade to complete (estimated 1-2 minutes).

Upgrade complete, the hardware screen displays: Succeed, press any key to continue. You can unplug the data cable now.

Congratulations, you have successfully completed the firmware upgrade process.