Basics
Closing an application
Close applications not in use to save battery power and maintain device performance.
Press and hold the Home button, tap Task manager, and then tap End next to an application to close it. To close all running applications, tap End all. Alternatively, press and hold the Home button, and then tap Close all.
Help
Access help information to learn how to use the device and applications or configure important settings.
Tap Help on the Applications screen. Select a category to view tips. To sort categories by an alphabetical order, tap 
.
To search for keywords, tap 
.
Entering text
Use the Samsung keyboard or the voice input feature to enter text.
Text entry is not supported in some languages. To enter text, you must change the input language to one of the supported languages.
Changing the keyboard type
Tap any text field, open the notifications panel, tap Choose input method, and then select the type of keyboard to use.
Change the keyboard 
type.
Enter uppercase. 
Enter punctuation marks. 
Enter a space.
Delete a preceding character.
Break to the next line.
Enter uppercase.
Add an item from the clipboard.
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