1. Press the Volume buttons to adjust media or call volume.
   
2. Press and hold the Power/Lock button to turn the device on or off. Press the Power/Lock button to put the display to sleep or wake up.
   
3. The device uses a nanoSIM card. The nanoSIM card slot is located in the back of the device. 
   
4. The microSD card slot is located unter the back cover of the device on top of the SIM card slot. A microSD card of up to 64 GB can be used.
   
5. Tap the Back key to return to the previous screen. Tap and hold within an application to view menu settings.
   
6. Press the Home button to return to the home screen. Press and hold to launch Google Now. Double press to open the camera.
   
7. Tap the Recent apps key to view a list of recently opened apps. Press and hold to open split screen view.
   
8. The USB/Charging port is located on the bottom of the device.
   
9. The Headphone jack is located on the top of the device.
   
10. The Microphone is located on the bottom of the device.
    
11. The Speaker is located on the back of the device.
    
12. The Rear camera is located on the back of the device.
    
13. The Front camera is located on the front of the device.
    
14. To learn more about your device layout, from a computer, download the user manual at www.att.com/devicehowto.