[HELP] Touchscreen gone wild

My touchscreen have some issue but i don't know if its a software or hardware issue.



at start when I use my phone it works perfectly but at time past the touchscreen will press randomly and at a point

the touchscreen will not function, but when you lock your phone and open it, it will start functioning again and it will

press randomly and so on...



please help me guys if this is a hardware or a software issue...

Thanks in advance

from xda-developers http://ift.tt/1DA5qs3

via IFTTT