hi guys im new here. i need help im having a problem with the touchscreen of my phone (ideos U8150) it has been root a year ago. everything is working fine the suddenly i got the problem. i dont have a problem on home screen but when i press clear on the drop down thing its not working, on gallery when i open the pictures and press the icon of share or delete im getting the same problem. what do i need to do? tried to search the net if screen calibration is possible but im not getting any good answer. pls help 