On/Off
Several functions are associated with On/Off:
Press On/Off to turn your phone on or off.
Press On/Off to turn on the screen lock.
The Return key
Several functions are associated with the Return key:
Press the Return key to close an active menu item.
Press and hold the Return key to view a list of active menu items and applications.
The Home key
Press the Home key to return to the home screen.
The Search key
Press the Search key to search the internet.
The Volume key
Several functions are associated with the Volume key:
Press the upper or lower part of the Volume key to adjust the ring volume.
Press the upper or lower part of the Volume key during a call to adjust the volume.
Press the upper or lower part of the Volume key to silence the incoming call alert.
Socket
Connect the charger or data cable to the socket and to a wall socket or your computer's USB port.
Headset socket
Connect the headset to the headset socket.
Camera lens
Point the camera lens at the required object to take a picture or record a video clip.
The Camera key
Several functions are associated with the Camera key:
Press the Camera key to turn on the camera.
Press the Camera key to take a picture when the camera is turned on.