iOS 7 video tip: How to kill a frozen app or restart your iPhone

On occasion, a single iPhone app might lock up and make that app -- or your entire iPhone -- unusable. Today's video tip looks at how to kill a single frozen app, as well as how to fix an iPhone that has locked up completely.

As with all of our video tips, this one can be resized to full screen for more detailed viewing.

This article was originally published on Tuaw.