The DFU mode, also known as the recovery mode, is used for many things and it is performed on iPhone, iPad and iPod. For example, when your device stops working properly, you have the option of entering the DFU mode. However, this option may bring you contact loss, other important apps, programs and many others. Therefore, before you decide to enter your phone in the recovery mode, you should think twice and use this possibility as the last resort.
You use DFU mode only when you want to downgrade the firmware on your iPhone, but one of the most important reasons why people put their device in the DFU mode is to jailbreak it. If you still want to know how you put your device in the DFU mode, I will show you this simple guide. Once you enter in DFU mode on iPhone, you also need to exit it.
How To Enter iPhone DFU Mode:
1. The first thing you have to do is to connect your device to your computer and launch iTunes in the same time.
2. Press and hold the Power button in the top of your device in the same time with the home button for approximately 10 seconds. This will turn off your device. After this time passes, let go the Power button but keep on pressing the Home button.
3. The Apple logo will appear on the screen, but you need to continue to push the Home button until an iTunes window will notify you that a device in Recovery mode is being detected.
4. When you are in the DFU mode, the screen of your device will be completely black. This means that you were successful and your device entered in the DFU mode properly.
How to Exit iPhone DFU Mode:
After you have placed your device in the DFU mode, you also need to exit it. This procedure is less complicated and it requires less effort. The simplest way to exit the DFU mode is to press and hold the Power button for several seconds. Then, your device will normally boot in its original state and it will make room for further changes.