2. Enter the mobile phone test code on the dialing page to enter the mobile phone debugging page.
3. On the mobile phone hardware test page, select the 11th touch screen test and click this option.
4. In the test page, touch the screen at will first, so that the mobile phone can detect the deviation of the screen, which is convenient for subsequent calibration.
5. After drawing, click Start Calibration in the pop-up page. After clicking this button, please do not touch the screen, so as not to affect the accuracy of calibration, just wait patiently for the system calibration to be completed.
6. After waiting for a few minutes, the screen of the mobile phone can be calibrated, then exit the page and restart the mobile phone to use the mobile phone normally.