If it is confirmed that the car supports Huawei mobile phones, this problem may be due to the use of non-original data cables, the MirrorLink certificate cannot be obtained or the MirrorLink certificate has expired. Please refer to the following solutions:
1. If the car is connected through a USB cable, click the MirrorLink icon and wait for a while. The central control screen of the car will prompt that there is no device supporting MirrorLink.
It is suggested that you restart the central control of the car first, then connect the mobile phone to WLAN or mobile data network, reconnect the car through USB data cable, and then follow the instructions of the mobile phone interface. If the problem still exists, it may be that the historical data of mobile phone authentication failure has not been cleared. Please select a setting? & gt？ Applications and notifications? & gt？ Application management? & gt？ Driving mode? & gt？ Save, click Delete Data, and then reconnect the car.
If the network signal in the parking area is not good, or the mobile data connection is not turned on, the mobile phone will not be able to obtain the MirrorLink certificate, which will cause the mobile phone to be recognized by the car as a device that does not support MirrorLink and give an abnormal prompt.
2. If the car is connected through USB cable, click the MirrorLink icon and wait for a period of time, which is not supported by the car central control screen prompt device.
It is suggested that you restart the central control of the car first, and then reconnect the car through the USB data cable. A prompt will pop up on the phone interface, indicating whether to allow access to device data. , please choose no, only charge.
When the car is connected through USB cable, when the mobile phone prompts whether to allow access to device data, if yes is selected, the mobile phone will be recognized as an unsupported U disk device by the car and an abnormal prompt will be given.
3. If the car is connected through USB data cable, the screen prompt of the car central control and the connection of the mobile phone will be interrupted for a period of time.
It is recommended that you use Huawei's original data cable to ensure that the USB data cable is not damaged and has good contact. Click on the mobile phone housekeeper? & gt？ Start management? & gt？ Batch manual management, and set Huawei connection service, driving mode, navigation map and other applications related to MirrorLink connection to lock the screen and not clean up background activities (unchecked).
Non-factory data cables may be disconnected due to loose interfaces, or the connection may be unstable due to wire problems. If MirrorLink connection related applications are set to all automatic management or background applications are cleaned after screen locking, it will lead to abnormal connection after screen locking.
4. If the car is connected through USB data cable, the car central control screen display device cannot be used without authentication.
It is recommended that you connect your mobile phone to WLAN or mobile data network, reconnect the car through USB cable, and then follow the instructions on the mobile phone interface.
Because the authentication of the certificate required for establishing the MirrorLink connection between your mobile phone and the car is invalid or expired, when the mobile phone is connected to the car, the mobile phone cannot obtain the MirrorLink certificate because the network signal in the parking area is not good or the mobile phone has no data service.
5. If the car is connected through a USB cable, click the MirrorLink icon on the car central control screen, the phone will only display the charging icon, and the car central control screen will not respond.
It is recommended that you use Huawei's original USB data cable to reconnect.
Huawei's original data cable can guarantee the MirrorLink connection function. Non-Huawei original cables may only have charging function and no data connection function.
6. If the car is connected by USB data cable, USB connection is always displayed on the central control screen of the car.
It is recommended that you manually click the MirrorLink icon on the central control screen of the car to establish a MirrorLink connection with the mobile phone.
Most cars can automatically start the MirrorLink connection after connecting their mobile phones through USB data cables. However, a few car central control screens still need users to manually click the MirrorLink connection icon to establish a MirrorLink connection with the mobile phone.
7. If the car is connected through USB, the central control screen of the car shows that the application can't be used in driving mode, or prompts that the application can't be used with the system.
It is recommended that you confirm whether the currently accessed application has passed the MirrorLink driving mode certification. If not, it is recommended to switch to other similar applications; If so, please update to the latest version and try again.
If the application fails to pass the MirrorLink driving mode certification on the current model, it is not allowed to be used while the car is driving. Even if the authentication passes, if the authentication certificate is not downloaded successfully, an abnormal prompt will pop up.
8. If the car is connected through USB, some third-party applications of mobile phones cannot be viewed and used on the central control screen of the car.
It is recommended to click on the driving mode application in the mobile phone to view the applications supporting MirrorLink, which can be projected onto the central control screen of the car.
For security reasons, only through the application of MirrorLink protocol can the screen be projected on the central control screen of the car. And some MirrorLink applications can't run on the latest EMUI system if they don't support Android 8.0.
9. If the car is connected through USB cable, the driving mode interface will be displayed on the mobile phone, but the application list will be displayed on the central control screen of the car.
You can click the icon of driving mode application on the central control screen of the car, and then the driving mode interface on the mobile phone can be displayed on the central control screen of the car synchronously.
After the connection between the mobile phone and the car is successful, the list of MirrorLink applications in non-driving mode on the mobile phone will first be presented on the central control screen of some cars.
10. If the car is connected via USB cable, you can't use the car Bluetooth to answer the phone.
Connect the mobile phone to the car Bluetooth successfully, and then connect it to MirrorLink, and you can answer the incoming call through the car Bluetooth.