The touch screen button displayed at the bottom of Huawei mate7 screen is left, and the input method keyboard is also left. What happened?

Huawei mate touch screen does not work, and the touch screen calibration is as follows:

1. If it takes a while to respond after clicking the screen, it may be that the software is too big and takes up too much memory, resulting in a stuck phone, slow response or incompatible software.

2. If only one or several softwares are out of order, it is not the phone hardware problem, but the software problem. It is recommended to download the application in the regular application market. Huawei mobile phones generally have their own application market.

3. In "Developer Options", you can turn on "Show Touch Operation" and "Pointer Position" and click or underline on the screen to see if there is any problem. If there is no problem, then the touch screen will do.

If you find that the screen will jump when charging, it should not be the problem of the mobile phone, but the problem of the charger. The noise of the charger will affect the touch screen, leading to the ghost hand problem of the touch screen, especially the chargers of different brands on the market will not control the noise, so the original charger should be used for charging.

5. It is best to restart the phone or restore the factory settings after finding the problem. Too many junk files in mobile phones will affect the performance of mobile phones. If prompted to update the system, please update the system to the latest system.