➡️| 3.6 Tutorial for version 2.3.04

Overview

This tutorial demonstrates based on version 2.3.02, other firmware versions can refer to upgrading directly from 3.3-3.5 as well.

This update mainly includes the following contents:

1.Updated SE encrypted communication for improved performance, stability, and security.

2.Optimized logic for importing seed and entering PIN.

3.Fixed address buffer size inconsistency in Polkadot PB files and code, and resolved Polkadot signature failure issue.

4.UI optimization: added prompt for failed seed import during wallet creation/import.

5.UI optimization: added detailed information for Transfercontract/TransferAssetContract transactions.

6.Fixed bug of device shutdown when entering incorrect PIN during wallet creation in English mode, or when resetting wallet.

This upgrade process supports one-click upgrade and does not require data cable plugging and unplugging.

Open the link https://connect.keypal.pro/ using Google Chrome, turn off KeyPal and connect it to your computer. Click on the web link prompt that pops up in the lower right corner to open the management interface. You will see the following prompt, click on "Upgrade Available".

On the firmware upgrade page, you can see the version information of the firmware upgrade. Click "Upgrade Firmware".

Please confirm that you have backed up the mnemonic phrase completely, check the box to confirm "Yes, I have already backed it up", and then click "Continue".

When you see the prompt "In KeyPal", check the hardware device screen prompt: "Do you want to restart device in bootloader mode", and according to the prompt, click the device right button "Confirm" to confirm and start the upgrade.

When you see the prompt "Device is ready", click "Upgrade Firmware", press the "Yes" button on KeyPal according to the prompt, and start the first update process.

Confirm the upgrade operation and press the device right button to confirm.

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.