Mtn bridge of contract

<p>Upon upgrading at mtn i signed for a contract of R649 pm and nothing additional but now all of a sudden there was a 2gb data activated to my account and i have to pay R909 pm that i did not sign for i called 808 to get it fixed and they said the debit ordet has allready been loaded the money wil be refunded to my acount as credit then the month a invoice came again with an amount of R909 i called again and nothing was done to fix there problem on my acount i wanted to cancel the contract because its bridge of contract in mtn side but they said we will be able to assist you but you are going to pay a cancellation charge and still nothing is being done to fix this i am on my way to the news papers and my lawyer. </p>