

But, what is DFU mode on iPad/iPhone on earth? iOS DFU mode, or the Device Firmware Update on iPhone or iPad, is a special mode that enables your device to communicate with iTunes, update the firmware, and restore the operating system automatically without installing iTunes.

You may have previously heard DFU mode many times on various occasions.

This article will explain in detail how to enter DFU mode on different iPhone or iPad models. However, it is tricky to boot an iPhone into DFU mode since it entails precise timing, and the operation varies with different iPhone/iPad models. As the last straw to troubleshoot an iPhone, iPad, or iPod touch, DFU mode can quickly update, jailbreak, install an older iOS version or restore your device to a normal working state in an emergency.
