2. Find the gear-shaped setting button at the back of the homepage interface and click Open.

3. After opening, find the search option and click Enter.

4. Enter the password 7253 in the search interface.

5. Click the OK button after input, and then you can enter the factory mode.

6. After entering the factory mode, it is in the settings. Update found. Update the car system. Just choose the car you want to update.