What should I do if Xiaomi MIX3 touch screen fails?

In the process of mobile phone operation, the following methods are suggested to solve the problem of touch screen failure:

1, first of all, confirm whether the screen of the mobile phone is cracked or damaged by artificial water; If someone is damaged, you need to go to Xiaomi authorized service center for testing and handling;

2. Is there a charger or power supply connected when there is a service failure? If this problem occurs when connecting the power supply, it is usually caused by unstable voltage or not using the original charging adapter. When charging, it is recommended to use the original Xiaomi data cable and charger as much as possible, and try charging again in a stable voltage environment;

3. Is the screen insensitive when operating an application (game)? If yes, the data of the application (game) may be abnormal and incompatible. It is recommended to uninstall the application (game) and try again. If it is confirmed that the application (game) is a problem, it is suggested to download and install it again in Xiaomi App Store or find the application (game) in Xiaomi App Store and submit feedback on the problem; If there is a problem with downloading and installing an application (game) in a non-Xiaomi app store, it is recommended to contact the application developer yourself;

4. Whether there are water stains or excessive sweating on your fingers (after playing the ball, just after exercising, etc.). ), if yes, please dry your fingers or screen in time before trying the operation;

5. Whether to use non-original film or toughened film, if so, it is recommended to take it off and try it;

6. Enter the hardware detection mode "Touch Screen Test", and the specific operation steps are as follows:

A. Enter the dialing interface of mobile phone, and enter *#*#6484#*#* or * # * # 64663 # * * to enter the hardware detection (CIT mode);

B. Slide up and down to enter the "Touch Screen Test", and slide your finger on the screen to test the touch screen to see whether there is any broken line in the sliding line and whether there are any redundant lines in the non-sliding line area;

C. Some models can calibrate the screen, press and hold the task key, then select "Touch Screen Calibration", follow the interface prompts, click OK, and don't touch the screen until the prompt of successful calibration appears.

7. If you enter the hardware detection mode, the test fails or the calibration fails, it is recommended to back up the data, update to the latest MIUI version or try to restore the factory without restoring the backup;

If the above methods do not solve the problem, it is recommended to take the mobile phone to Xiaomi authorized maintenance center for testing and processing.