When the device is powered on the light will turn on .
When the device starts on normally, the light will be
on.
When the device is powered off, the light will turn off .
When the device is powered on but is not connected to
the network, the light will be off.
When the the device is powered on and the network is
connected, the light will turn on immediately.
When the device network is disconnected, the light will
turn off. ( the light will be turn on when the network is
reconnected).
When there is no missing call or unread messages
and the device is in stand-by status, the light will be
off.
When there is no missing call or unread messages
and the device is in receiving incoming calls status,
the light will be flickering.
when there is no missing call or unread messages and
the device is in dialing out status, the light will stay on.
when there is no missing call or unread messages and
the device is in dialing out status while receiving a
incoming call, the light will be flickering.
when there is no missing call or unread messages and
the device is in calling status, the light will stay on.
when there is missing call or unread messages and
the device is in calling status while receiving a
incoming call, the light will be flickering.
when there is missing call or unread messages and
the device is in stand-by status, the light will be
flickering.
when there is missing call or unread messages and
the device is in dialing out status, the light will be
flickering.
when there is missing call or unread messages and
the device is receiving an incoming call , the light will
be flickering.
when there is missing call or unread messages with
new missing calls and unread messages, the light will
be flickering.