How To Check GT Bank Account Balance By SMS For FREE

I want to share with you how i check my GT Bank account Balance by SMS for free.If you are interested, lets go:
Now you can check your Bank Account Balance on the Go! with the New GTBank SMS Balance Features.
Compose New Text Message, Then Type bal follow by your Nuban Account Number and Send to 08100550000

Once you send this,  your Account Balance will be sent to you  immediately 
NB:- You can only check your Balance with the New Nuban Account Number, The Old Account Number wont work.