Hi Friends here is a command to check free balance of zong number.
Here is a tip to display on screen keyboard in windows xp.This tip is very useful when you are typing a very important letter and any key from your key board is not working.On screen eyboard will help you to type with mouse by clicking in any key.
How to display On Screen Key Board.
1-Go to Run from start in your computer
2-write OSK in run command line.
3-Press Enter and its done.