My iphone 4 has been perfect since I bought it. Suddenly in the last 25 mins (was perfectly fine this morning) the home button is unresponsive. I'll be texting somebody, and I can't get out of the texting app since the home button is unresponsive when I press it. I've restarted it like 5 times, even updated it to the most recent firmware and that hasn't done a single thing. Is there anything I can do before I would have to bring it to apple? Since I can't get to a apple store until at least next week.