Performing a factory data reset can be useful. Maybe you're going to sell your phone or send it back in for warranty work. It's simple to do. Here's how. Go to Settings. then Privacy, then Factory data reset. It will ask...
Just go to Settings>About phone>Battery use and you'll get an easy-to-read chart showing what's been going on since your phone was last plugged in.
Chances are the display (as in the phone's screen) will be near...
