Have you ever encountered the occasion when you view something interesting and ready to record the amazing moment, you find that your iPhone camera stops working? Maybe it is frozen or black camera. Whichever is the case, iPhone camera not working leaves you in the frustrating situation. So, you want to repair it as soon as possible. But you don't know the specific reasons for this issue. It is possible that a hardware or software flaw causes your iPhone camera problem. Before you will repair it in Apple store, 9 useful methods are proposed below to assist you to fix this issue quickly. After you try them all but no one works, it is time to visit Apple store.