If the phone has black screen, flickering screen, blurry screen, white screen, red screen and other abnormal screen colors, it is recommended:
1. It is recommended to restart the phone and try: press and hold the power button and the next button at the same time. Press the volume button for more than 7 seconds to restart the device;
2. If the screen is still blurry after opening it again, this may be related to the software used. If you downloaded the software yourself, it is recommended to uninstall the software and reinstall it.
3. If it comes with your own system software, it is recommended to try updating the system version of your phone: Please go to Settings-About the phone (About the device)-Software Update (System Update)-Update (please back up the data in the device before upgrading) ).
4. If it is the latest version, please back up the data in your phone (contacts, messages, pictures, etc.) and then try to restore the factory settings.
If the problem persists, it is recommended to take the purchase invoice, warranty card and mobile phone to the local mobile phone purchase office or to a nearby mobile phone repair shop for repair.