On/Off
Several functions are associated with On/Off:
Press On/Off to turn your phone on and off.
Press On/Off to turn on the key lock.
Press and hold On/Off to access the functions silent mode and flight mode.
The Volume key
Press the upper or lower part of the Volume key to adjust the volume.
Socket
Connect the charger or data cable to the phone socket and to a wall socket or your computer's USB port.
Headset socket
Connect the headset to the headset socket at the bottom of your phone.
Camera lens at the back of your phone
Point the camera lens at the back of your phone at the required object to take a picture, record a video clip or during a video call.
Camera lens at the front of your phone
Point the camera lens at the front of your phone at the required object during a video call.