3. Firmware upgrade of KeyPal

Firmware upgrade purpose:

*KeyPal firmware upgrade can add the latest supported public chain and Cryptocurrency

The firmware upgrade is mainly divided into:

PC-side upgrade (ie desktop client tool),

Web-side upgrade (web page upgrade - official recommendation)

Upgrade index

| 3.1 For PC

| 3.2 For web page

| 3.3 Tutorial for version 1.4 - 2.1

| 3.4 Tutorial for version 2.1.7-2.3.0

| 3.5 Tutorial for version 2.3.00-2.3.02

| 3.6 Tutorial for version 2.3.04

| 3.7 Tutorial for version 2.3.05

| 3.8 Tutorial for version 2.3.06

| 3.9 Tutorial for version 2.3.07

| 3.10 Tutorial for version 2.3.08

| 3.11 Tutorial for version 2.4.02

| 3.11 Tutorial for version 2.4.03