How to adjust the settings of Lenovo a320t mobile phone touch screen with slow response?

The solution to the slow response of mobile phones using touch screens is as follows:

First, restore the factory settings;

1, shut down completely first;

2. When the phone is turned off, press the power button first, and then press the volume down button and the volume up button at the same time. Don't let go, you will enter recovery after a while. Note: In recovery mode, press the volume up and down keys to indicate selection, and press the power button and the home button to indicate confirmation;

3. After entering the recovery mode, select the factory settings. Whether your mobile phone is restored by the system itself or by a third party, as long as there is data erasure/reset;

4. Select Erase Data/Restore Factory Settings, then press the power button to confirm, and then select Yes-delete all data.

5. Then reselect to restart the system now, press the power button to confirm and start the mobile phone.

Second, send it to the after-sales outlets for warranty treatment.