How does the iphone DFU mode? Apple DFU Mode Entry method

What does the DFU model mean?

DFU's full name is development firmwareupgrade, the actual meaning of the iphone firmware's mandatory lifting mode.
The iphone has two special modes: one is the official recovery model, and the itunes logo and USB cable are displayed on the screen. The other is the DFU model we used in the jailbreak, also known as the forced recovery model, which has no display on the iphone screen, is a black screen state, so it has been a difficult jailbreak operation.

Why go into DFU mode?

The iphone is fun, there is no doubt, but improper use is also prone to problems, such as white apple, or infinite white chrysanthemum, this time many people choose to brush the machine, but because the iphone out of white Apple State, there is no way to do anything, then how to brush the machine? This is the time to put the iphone into the DFU mode, and then select the firmware, to brush the machine.

How to enter the DFU mode of basic explanation :
　　
Before starting the tutorial, we first need to understand the two key keys to entering DFU-the power and home keys, which are located at the top of the iphone and below the screen, as shown below.

So how does our iphone get into the DFU mode? The following small series for you to introduce two very simple way to enter the DFU mode.
　　
　　How the iphone enters the DFU mode tutorial:
　　
　　The first method: normal recovery
　　
1, turn your iphone off.
　　
2, at the same time press and hold the switch machine keys and home keys.

3, when we see the white Apple logo, loosen the switch machine key, and continue to hold down the home button.
　　
4, open itunes, waiting for its prompt you to restore mode, you can hold down the keyboard shift button, click "Restore", select the appropriate firmware to restore.
　　
　　The second method: Black screen recovery
　　
1. Connect the iphone to the computer with a USB cable, and then hear the connection beep.
　　
2, and then shut down the iphone, and then you will hear the computer is not connected to the successful sound of the message.
　　
3, at the same time hold down the switch machine key and the home key, continue to the first 10 seconds, immediately release the key, and continue to hold down the home key.

4, this time itunes will automatically start, and prompts you to restore mode, this time you can hold down the keyboard Shift key, click "Restore", select the appropriate firmware to restore

PS Some netizens said that can use the software into the DFU mode, this is not recommended for Apple mobile phone, because we can use the direct operation of itunes Why use the third party software.