Step1: Copy the upgradefile .iap to the root directory of the U disk

Step2: Click “Settings”

Step3: Click “Factory”and enter the password (the initial password is 3368)

Step4: Click “Original Car Agreement”

Step5: Click “CAN box upgrade”

Step6: Click “Confirm”

Step7: In the upgrade screen, click the magnifying glassicon, as shown below

Step8: In the popup interface, find the USB flash drive,in the USB flash drive directory to find the upgrade file just copied in, andthen select it

Step9: Click “Upgrade”

Step10: Click “START”

Step11: Click “Confirm”

Step12:“Successful, reset the machine”

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