unresponsive touchscreen? (samsung galaxy s5)

                                            FULL PHONE SPECS: Samsung Galaxy S5

CAUSES

- Presence of protective cover that may inhibit input recognition
- Moisture on the screen
- Software bugs
- Outdated firmware
- Scratches/damages on the screen
- Touch sensitivity option is DISABLED

SOLUTION

- Remove any protective covers from the touch screen
- Ensure the screen is clean and free from moisture
- Restart the device to clear any temporary software bugs
- Ensure your device is upgraded to the latest compatible firmware updates

- In the event of any scratches or damages to the screen, replacement of the screen is advised.

- ENABLE the touch sensitivity option via Settings>Display>Increase Touch sensitivity