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 key to adjust the volume.
   
3. Press the Left and Right Soft keys to use context-sensitive actions.
   
4. The Navigation keys are used to navigate around the current screen.
   
5. Press the Center Nav key to make a selection.
   
6. Press the Clear key to delete the last character entered in a text field or the last digit entered of a phone number.
   
7. Press the Recent apps key to launch the multitasking screen.
   
8. Press the Call key to call a dialed number of selected contact.
   
9. Press the End key to end a call or return to the home screen.
   
10. Use the keypad to enter text and numbers.
    
11. This is the Headphone jack. Insert a headphone to listen to music or make calls.
    
12. This is the USB/Charger port. Insert the microUSB cable to transfer files or charge the device.
    
13. This is the SIM card slot.
    
14. This is the Memory card slot.