restarting an iOS device is as easy as ABC, you just have to complete two simple steps:-
a. Press and hold the Sleep/Wake button until the red “slide to power off” slider appears > slide the slider when it has appeared
b. now press and hold the Sleep/Wake button until the Apple logo appears.
How to reset iPhone, iPad, iPod Touch ?
Ans- Press and hold the Sleep/Wake button and the Home button at the same time until the Apple Logo appears. that’s all, enjoy
Important Note:- reset your iOS device only if it stops responding or the steps given above didn’t work