To Power Cycle a iPhone as i found out by the Apple help Team you simply shut it off and then Turn it back on
This is a Good Place to Go For Questions on Apple Products..http://goo.gl/zJpPL9 this is were i found the answer i posted..
lddh, power cycling your device off/on is so easy. I'll provide you with the steps. There's a button located at the top right side of your device. You will need to press and hold it down until you get a pop up message to "Slide to power off." For more device support, click http://bit.ly/y5iuoj
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