need help on t-mobile mda vario

[Guest dhillon12]

Hi guy i have t-mobile mda vario from united kingdom, its unlocked n working for cingular simcard,but i cant send text msgs,i can recieve,but cant send,is thr nything be done to fix it,plzz help me out guys thnx alot.

[Guest jimbouk]

Have you got the message service centre number entered correctly?

If not google for the number.