- Check your phone’s settings to ensure the touchscreen is not disabled.
 - Check the display settings and make sure no changes were made.
 - Power cycle the phone and restart it.
 - Check if your phone’s software is up to date.
 - Check the phone for any trapped dirt, dust, or other debris.
 - If available, try a force restart of the device.
 - Replace the digitizer of the device.
 
