14.Remove unused aplication
Android 4.2.2 is a multi-functional platform. It enables
numbers of application to run at the same time and in
the background. These application will not close unless
you turn it off in the background, and this may affect
the performance of.
How to remove background application:
1. Click to enter the background application management.
2. Click and hold the mouse button than move upward
to remove the background operating applications.
3. Application is removed from the background.
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