1、Put the upgrade file  rename it to “hiworldupdate.iap”

2、Click System setting

3、Click System settings-Upgrade

4、Click Hiworld upgrade

5、When the progressbar runs out, Update successed

6、After upgrading, you can check the CAN Box version number in System settings-Software version-CAN

YouTube Video link：https://youtu.be/H_9nMiWxmj4