Causes:
1. If your fingers or the screen are dirty or wet, it may affect the touch sensitivity or cause ghost touches or no response.
2. A non-original screen protector may not be compatible with the phone screen. It may also affect the touch sensitivity or cause ghost touches or no response.
3. A non-original screen may not be compatible with the phone either. It may cause the touch screen to malfunction or ghost touch.
4. If you use non-standard chargers and data cables to charge the phone, they may interfere with the touch screen and make it unresponsive, ghost touch, or insensitive.
Solutions:
1. Please make sure your fingers and the phone screen are clean and dry before using the phone.
2. Remove the screen protector or use a realme original one.
3. Please back up your data and go to a realme service center for testing.
4. Use a realme standard charger to charge the phone.
5. Restart your phone and try again.
If the above methods do not solve your problem, please back up your data and go to the nearest realme service center for testing.