How to calibrate samkoon touch screen

by
  1. Slide your finger to the left on the navigation screen.
  2. Click the “Settings” option.
  3. Enter the setting page.
  4. Swipe up the screen with your finger.
  5. Click the “Touch Calibration” option.
  6. A prompt appears on the screen, click the “OK” option.
  7. Follow the prompts to click on the corresponding position to complete the calibration