How to Prevent Touchscreen Malfunction or Unresponsive Touch

Touchscreen issues are often caused by screen deformation. During Android head unit installation, overtightened screws or uneven frame pressure may slightly deform the screen, affecting touch sensitivity.

Solution:

Loosen the mounting screws appropriately during installation and avoid excessive torque to reduce the risk of screen deformation.

We also found over tightening of the SMA connections have caused phantom touches.