5 iPhone Problems You Can Fix Using DFU ModeYour iPhone isn't impervious to problems. In fact, most of us experience at least a few issues with our iPhones throughout their lifespan. One of the strongest tools at your disposal for fixing these issues is iOS's Device Firmware Update (DFU) mode. DFU mode is a special iPhone state you can use to reinstall every line of software and firmware on your device. It's the deepest possible restore for
