1. Press the Power/Lock key to lock the device screen, and turn the device on/off.
   
2. Press the Back key to return to the previous screen.
   
3. Press the Home key to return to the home screen.
   
4. Press the Volume keys to adjust the volume.
   
5. The Headphone Jack is located on the top of the device.
   
6. The USB/Charging Port is located on the bottom of the device.
   
7. The SIM Card Slot is located on the left side of the device. This device uses a micro-SIM.