unresponsive touch screen? (xperia z2 tablet)

                                              FULL PHONE SPECS: Xperia Z2 Tablet

CAUSES

- Protective covers prevent the recognition of input on the touch screen
- Outdated software version
- Temporary software bugs
- Dirty or wet hands
- Scratched/damaged screen

SOLUTION

- Ensure you remove any protective covers that may hinder the recognition of input on the touch screen.
- Test the touchscreen via Settings>About Device>Diagnostics>Test Device & run the touchscreen test

- Ensure you are using the latest software version

- Restart your device to clear any temporary software bugs

- Ensure your hands are clean and dry when handling the touch screen

- Repair the screen