How to turn off and on (restart) and reset iPhone iPad
1. How to restart your iPhone/iPad
1.1 Turn off
Press and Hold the Power Button (Sleep/Wake button) on the top of iPhone/iPad for 3-4 seconds. You will see the red sliders and slide to turn off.
1.2 Turn on
After your iPhone/iPad completely turn off, press and hold the Power Button again until Apple logo appears.
2. How to reset
Press the Power button on the top of iPhone/iPad and Home button at the same time for 10 seconds.