OK, I have been reading these comments and while there are some that are correct, there are few or more that are way out there. Guys, as a electronics tech, I have fixed many phones such as this in my time. Yes the cheap screens will fix it most of the time, but there are times when this is not the case. There is no easy fix for this. First you have to diagnose the problem and the cause and then fix it. Sometimes its as simple as restarting the phone and sometimes the problem is hardware of the phone. 1) Check if the screen responds to any touch at all. If it does work but you get “ghost touch”, problem is likely going to be fixed without replacing the screen. Usually one of the connectors are dirty or not plugged in correctly. Easier fix is to open the iphone, lift the screen from the rest of the case/motherboard and unplug the lcd and other connectors that run from the screen to the board. You could use 99% alcohol and a tooth brush. Scrub the connectors gently and wait a few seconds for the alcohol to...