1.Plug your device into your computer with a USB cable.
2.Turn off the device.
3.Hold the Power button for 3 seconds.
4.Hold the Home and Power buttons for 10 seconds.
5.Release the Power button but keep holding the Home button.
6/After about 15 seconds you will be alerted by iTunes saying that it has detected a device in Recovery Mode.
1.Plug your device into your computer with a USB cable.
2.Turn off the device.
3.Hold the Power button for 3 seconds.
4.Hold the Home and Power buttons for 10 seconds.
5. ...