On/Off has several functions:
Press On/Off to turn on the phone.
Press and hold On/Off to access other functions such as silent mode and flight mode.
Press Connect to answer a call.
Press Disconnect to end or reject a call.
4. 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 return to standby mode.
5. The Navigation key
Several functions are associated with the Navigation key:
Slide your finger across the Navigation key to scroll through the display or move the cursor.
Press the Navigation key to open a menu item or select a setting.
6. The Menu key
Press the Menu key to open a pop-up menu.
7. The Volume key
Press the upper or lower part of the Volume key to adjust the volume.
Connect the charger or data cable to the phone socket and to a wall socket or the computer's USB port.
9. Headset socket
Connect the headset to the headset socket at the bottom of the phone.
10. Camera lens
Point the camera lens at the required object to take a picture or record a video clip.