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If you ever ran into an issue where a particular application freezes up, meaning the screen goes completely still and no amount of tapping, flicking or pinching causes anything to happen, you probably need to force the application to quit. To Force Quit an application hold down the Sleep/Wake button until you see the Slide to Power Off slider appear. Then release the Sleep/Wake button and press and hold the Home button.
After a few seconds the frozen app should quit and you'll be taken back to your Home screen. Again, use this technique if your screen is frozen and pressing the Home button doesn't seem to be doing anything. If you're in a situation where an app is acting up, but you can still get back to your Home screen, then you can Force Quit the app by then double-clicking the Home button to bring up the Multitask bar, then hold down on any of the apps in the Multitask bar until they start wiggling and then tap the red button on the app that's not working right to quit it. Press the Home button twice to return to the Home screen.
At this point you can try opening the app again to see if it's behaving better. If it's still giving you problems you might want to try restarting your device as we discussed in the previous movie.
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