Step1: Copy the upgrade software (IAP file) of the corresponding protocol box to the root directory of U disk, plug the U disk into the USB interface of the navigation host, and confirm that the host has recognized the U disk.

Step2: Host connected to WiFi, Click “Settings”

Step3: Click “General-Extra settings”

Step4: Enter the password(the initial password is 8888)

Step5: Click “Model choose”

Step6: Long press "CanBox"to pop up a new interface, the machine will enter the protocol box upgrade interface, as shown in the figure below:

Step7: Click "CAN Update" on the upgrade interface, and the upgrade progress bar will pop up. After the progress bar is completed and automatically restarted, the upgrade of the protocol box is completed.

YouTube Video link：https://youtu.be/OBw8J0qxZsE