Did you ever notice on your computer how you can run multiple applications at once? Like, if you launch Google Chrome and then go launch Microsoft Word, everything just seems to work together? Did you further realize that your iPhone can run multiple applications at the same time? If you don't believe us, then double-click on your home button. You should see the screen gently rise up and show you a few icons along the bottom of the screen. These icons are currently running applications that you have not quit yet. Wait, though, it gets even better--slide that bottom row of icons to the left. Now you should see page after page of running applications--sometimes, it seems that it never will end!
So, the problem is that the iPhone has to use precious battery life to keep those applications all running for you in the background. Probably not worth it, right? Even worse, if you restart your iPhone, those apps will STILL be running in the background! Let's learn how to quit them all and save some battery life.
When you double-click the home button and the screen rises up, simply hold your finger over any of those apps along the bottom. They should start to "shake" and you should see a small red circle appear over each application. Simply hit all those red circles until all the apps disappear--this tells the system that you don't want these applications running all the time in the background.
Do this a few times a day and watch your battery life again rocket back up to where it should be!
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