How to force the closure or finish a task on the iPhone
The iPhone’s operating system is fairly quick and responsive, however, sometimes choose a different application that make life impossible, and begins to freeze, when this happens we do not need to turn off the iPhone, simply complete the application or task force to close, here’s how.
Step One
Make sure the application you want to force the closure is open.
Step Two
Press and hold the power button until the Power slider.
Step Three
Press and hold the button until the application is forcibly closed.
Step Four
Now you can restart the application if desired.
Simple steps, you can make life much easier.

