Restart your iPhone, iPad, or iPod bit
Follow the steps to restart your device.
How to restart
Press and hold the Sleep/Wake button till the red slider seems.
Drag the slider to show your device utterly off.
After the device turns off, press and hold the Sleep/Wake button once more till you see the Apple emblem.
How to force restart
You should force restart your iPhone, iPad, or iPod bit as a final resort, and as long as it isn't responding. To force restart your device, press and hold each the Sleep/Wake and home buttons for a minimum of 10 seconds, till you see the Apple emblem.
