16 How to upgrade the Chevrolet Mai Rui Bao car?

I want to ask, "16 how to upgrade Chevrolet Mai Rui Bao?" The steps are as follows:

1. You need to open the home page of car navigation, select "All Applications", jump to a new interface, and click "Settings" in the upper left corner of the screen;

2. Turn on the "Wi-Fi" button on the left and select an effective wireless LAN on the right for wireless connection. Slide down the main menu page of "Settings" and select the "General Settings" button in "System";

3. Click "System Information" in the pop-up "General Settings" submenu, and select the system to be updated, that is, select your own system from "Default Settings", "Android Upgrade" and "MCU Upgrade" to update the car navigation by yourself.