Hey. I have my iPhone 4 for a few weeks now and I am glad that I bought it because it has a lot of cool features and even my younger sister borrow it all the time so she can play games. However, I am experiencing some problems with it for a few days now because whenever I am talking to someone, the screen turns on and off for several times. The phone is not turning off but only the screen. It bothers me because sometimes it hangs and I have to end the call. Do you ever experience this? What did you do to repair it because I have restored it a lot of times but it did not help.
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