Get Around
After you finish setting up your phone, Home opens.
At the bottom of the screen, you'll find three Navigation buttons. They're always available. No matter what you're doing with your phone, you can always get back to the main Home screen or return to previous screens:
After a short time without getting used, these buttons may shrink to dots or fade away, depending on the current app. To bring them back, touch their location.
Just above the Navigation buttons, notice the Favorites tray:
The app icons you keep in the tray remain visible on every Home screen.
The All Apps icon 
in
the center is permanent. Touch it to see all your apps and
widgets.
The middle of your Home screen can hold app and widget icons, plus folders.
- To open an app, folder, or widget, touch its icon.
- To see additional Home screens, swipe your finger quickly left or right.
At the top of the screen, you'll see something like this:
Status icons on the left tell you which apps
have sent you
notifications; for example, that a message has arrived, or
it's time for a meeting.
- To see your notifications, swipe your finger down from the top of the screen.
System icons on the right display the current wireless and network connection strength, battery level, time, and more.
Google
Search, just below the status and system icons, lets you
search your phone or the Internet. Touch Google to type your search
terms, or 
to speak
them.