Some bugs cannot be solved with simple solutions. These need stronger solution to be fixing. If the above all the processes do not fix your phone then you all need to do is factory reset your iPhone. It is the advance solution that can help you to remove all these glitches. Factory reset can remove all the information from your phone and it makes your phone back to its basic configuration. This process will help you to remove this ghost touch bug.
After doing all of the above methods, still your phone is facing this issue then there may be issue with your iPhone screen. To repair your iPhone screen, you can contact Profiix Southchase as we can provide quality screen repair service in our store.