Short step-by-step instruction:
- Launch any standard application on your iOS device. Standard applications like: “Notes”, “Clock”, “Promotions”, “Weather” and so forth.
- After application is open, press and hold the Power button until prompted to turn off the device. Do not turn it off, simply wait until this moment.
- As soon as a slider with “Turn off” appears on the screen of your iOS device, press and hold the Home button. Hold it for around 10 seconds. After that application will be force quitted.
After performing this easy procedure the Home button should become as a new one and respond to all clicks as if you have just taken your iOS device out of the box.