1. Press the Power/Lock key to lock the screen. Press and hold the key to turn the device on or off.
   
2. Press the Volume keys to adjust the volume.
   
3. Press the Back key to return to the previous screen.
   
4. Press the Home key to return to the home screen from any other screen.
   
5. Press the Menu key to to access the menu of the current screen.
   
6. The Headphone jack is located on the top of the device.
   
7. The microUSB/Charger port is located on the side of the device.
   
8. The SIM card slot is located beneath the battery.
   
9. The microSD card slot is located on the side of the device. The back cover must be removed to access.
   Note: MicroSD cards are sold separately.