Ghost Touch Issue with Razer 2 Phone

I put on official Razer 2 phone screen protector but did a poor job and then removed it but also the same day moved to Bali, Indonesia and charged on a dual usb generic charging block not plugged into voltage converter so I am not sure which has caused the issue but may try to get digitizer repaired at a local shop. Thoughts…? I have constant ghosting issues with the phone. It is useless.