How To Enter / Exit iPhone DFU Mode | What is DFU Mode?

I am sure that some of you still ask the question “What is DFU mode?” The DFU mode stands for Device Firmware Update. You put your device in the DFU mode in order to communicate with Apple iTunes, but without loading the operating system of your device. The main reason why people choose to access this mode is to change firmware on their device, to downgrade, to upgrade or to start the jailbreak process. However, the most common use of the DFU mode is for the jailbreak process.

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Here is a short guide of how to put your device in the DFU mode.

–          Connect your device to your desktop computer and launch the iTunes.

–          Next, turn off your device by pressing the power button for a couple of seconds.

–          Now, press and hold in the same time the power button and the home button for at least 10 seconds.

–          Release the power button but keep holding the home button until you see a message telling you that a device in a Recovery Mode has been detected.

When your device is in the DFU mode, the screen will turn completely black. If you see any kind of message on the screen, even the Apple logo, it means that your device is in the Recovery Mode and not the DFU mode. In the case of an error, repeat the steps above.

Once you put your device in the DFU mode and you finish your job, then, you will need to exit DFU mode to bring your device to a normal state. For this, you need to press and hold the power button and the home button at the same time for a couple of seconds (in some cases, up to 40 seconds). In this time, you need to cancel the iTunes connection. Now, you have quitted the DFU mode.

Therefore, when you want to start jailbreak, to downgrade or to upgrade your firmware, you know how to enter and exit the DFU mode on your iPhone, iPad or iPod Touch.

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