To power off your iPhone (Sometimes called a soft reset) follow these instructions:
Step One
Hold down the Sleep/Wake button for 3 seconds.


Step Two
A Power Slider will appear on the screen. Move this slider to the left to power off your iPhone.


Step Three
Press the Sleep/Wake button again to power back on your iPhone.


Step One
Hold down the Sleep/Wake button for 3 seconds.


Step Two
A Power Slider will appear on the screen. Move this slider to the left to power off your iPhone.


Step Three
Press the Sleep/Wake button again to power back on your iPhone.

