1. Press the Volume keys to adjust media or call volume.
   
2. Press the Power/Lock key to turn the device on or off, or put the display to sleep.
   
3. The SIM card slot is located under the back cover of the device. The device uses a MicroSIM card.
   
4. The microSD card slot is located under 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. Press the Back key to return to the previous screen.
   
6. Press the Home key to return to the home screen.
   
7. Press the Menu key to view a contextual menu.
   
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.