Shutting Down a Frozen Program
Occasionally a program may freeze and be unresponsive to anything you may do (including screaming and cursing). If this happens, you can shut down (also known as force quit) the frozen program by doing the following:
Press and hold down the Home button for approximately 10 seconds.
Release the Home button when the program closes by disappearing from the screen.
Try running the same program again to see if it works. If not, you may either need an updated version of that app or you may need to restart your entire iPhone, as explained in the following section.
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