That iPhone Auto-Lock not working will lead the iPhone screen not to automatically lock at a certain time. Needless to say, such an issue must trouble you a lot. Virtually, the Auto-Lock function turns to put the iPhone to sleep thereby preventing anyone else from accessing it when you deal with an emergency and your iPhone is not in your sight. Thus, it is imaginable what a situation where the iPhone with the broken Auto-Lock will get you into. To save you from the suffering, 6 doable methods are expressly proposed below. Wish a speedy solution.