In this article, we tell you how to exit DFU mode on your iPhone. Now, what's DFU? DFU is expanded as Default Firmware Update. DFU is the deepest type of restore that can be performed on an iPhone. Not many people know how to put their iPhone on a DFU mode and even fewer people have an idea of how to exit this mode. Here, we will tell you both, how to get into the DFU mode to perform a restore and how to exit DFU mode, safely and easily, using a really cool software called Dr.Fone.