My iphone used to click when you typed in the pass code or just type, and it doesnt even make a noise when i get a voicemail or anything. i went into settings, and sounds and they're was the thing called 'Keyboard click' and it says on but i dont hear a thing. it works when you go into ringers but that's all. i dont know what to do! Please Help!! It's apprreciatied! =]