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 Recent Apps key to view recently used apps.
   
6. The PadFone has a rear-facing camera with LED flash.