How to restore iPhone via DFU

You, probably, appeared in a situation at whichyour iPhone seems to be inactive (while the white Apple logo is displayed on the black boot screen). Typically, users can not understand how this could happen, and are wondering how to restore the iPhone. To understand the situation, try to follow your actions. Try to remember if you have recently installed any new applications. Did you make a hard reset of the device when your iPhone is frozen for some reason?

Of course, a reboot can help in thisHowever, try to avoid hardware reset of the device, do it only after you are 100% sure that your phone is not responding. Below is a description of how to restore iPhone 3g and later.

Most users resort to thisthe solution to the problem, how to restore iPhone (downloading the device in recovery mode), but sometimes you still can not connect to iTunes. In order for the device to work correctly again, follow the step-by-step instructions on how to restore the iPhone.

1. Turn off the gadget. You may need to make a hard reset (hold down the Home and Sleep buttons until the screen turns off).

2. Connect the USB cable to the iPhone and start iTunes.

3. Now begins the most difficult part of the process.

You must get your iPhone in DFU mode (update the firmware of the device). For this:

a) hold down the Home and Sleep buttons for 10 seconds;

b) Release the Sleep button after 10 seconds;

c) keep holding the Home Button for another 10 seconds.

If you have performed the above steps correctly, you will see a corresponding message in iTunes. If not, repeat the above steps - time is everything.

4. In the next stages, itunes will restore the original firmware of your iPhone.

After the process is completed, the iPhone restores, but it will already be empty.

5. After the restore process, the gadget reboots. If you are still connected to iTunes, you will be able to restore the contents of your iPhone from a backup.

If you stop the backup processduring the process of synchronizing the iPhone, it will not be completed in full and on subsequent attempts. You will not be able to restore the contents from the backup later if you did not complete the full backup for the first time after the restore. It is for this reason that you can find feedback from users who can not understand why they failed to restore the iPhone.

Remember that the backup process does notwill move at a steady pace at the last 5-10%. At this stage, the indicator will stay in place for a long period of time (1 to 3 hours). Do not stop the recovery process. It's all right, it just takes a long time. On average, it takes 2.5 hours to complete this process. If you want to know how to restore iPhone, expect for a long time.

6. After the recovery process is completed, itunes will start to run faster and the iPhone will reboot.

7. Then you need to synchronize the iPhone. If iTunes is configured to start automatic synchronization, you do not need to do anything.

As a rule, a guide on how torestore the iPhone through DFU mode, helps to fully restore the device functionality. However, having decided to resort to this process, remember that you should have enough time in reserve, since the entire procedure can take up to 3 hours.