How to Deactivate News alerts(ADA Derana) On mobitel......IT ain't give nothng but crappy politic news!!

i ve called mbtel customer care and they said i should type;
dreg
and
send to 2299!!.But it did not work!!!
is it case sensitive???
any one know how to ???
please tell..
thanks !!!!

i ve called mbtel customer care and they said i should type;
dreg
and
send to 2299!!.But it did not work!!!
is it case sensitive???
any one know how to ???

please tell..
thanks !!!!
