Long press means pressing key more than or equal 2 seconds; short press
means pressing key less than 2 seconds.
Indicates signal strength.
You have one or several missed call.
You have one or several new text messages.
You have one or several new mms.
Indicates a headset is connected to the phone.
Alarm clock has been activated.
Keypad has been locked.
Indicates Bluetooth has been activated.
GPRS has been activated.
Indicates battery power level.