How to Change USB Connection Mode on LG G2
You can change the USB connection mode on LG G2, based on your need when the device is connected to PC (Laptop) via a USB Cable. Change the USB ...
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Sometime you need to close some application to free some memory. Android gives you some ways to close such apps
Setting > Applications > Manage Application
Select each application and tap on Stop
One of the advantages of these apps is the ability to close some applications at the same time