Problem with My iPhone touch sensor(Or software)

Hello, I think I got a problem with software or I don't know something other.

I'm afraid I couldn't upload right here because my computer cannot connect with my iPhone so..I uploaded in my Blog..and I'm sorry but this is Korean blog so you might think "What....?" but don't worry the video showing right after you click the link is the video contains problem I'm discussing here.

http://blog.naver.com/sun9b8l/220553016792

so..here's it.

well..thanks for watching it, and please I want to hear something..