I have an iPhone 4,, my speaker does not work!! When I have it to where every one can here me and the person I talk to!! That's the only way I can talk!! And when it is off they can not here me at all and I can't here them!! It is with no case on it too!!! So what do I do to fix that phone??? I have a bother iPhone and the screen is busted!!! So which would be the easy way to fix both phons???? Help!! I like to have one of them to works!