I have the same problem this is the second digitizer i have had to buy the first one i broke the ribbon cable on accident but it takes me nearly 10 tomes trying to just unlock the think and some keys while im texting don't always work, there is also a system update that i cant seem to install i have downloaded it and when i go to install it, it seems it gets stuck at a screen with a triangle and an exclamation mark in the middle any idea what that is about??