Overcharged / Pathetic Service

I initially took a Blackberry 9790 contract with MTN, which included BIS for free. After 2 years I upgraded to a Samsung S4, where the contract price was R249 plus 150mb free every month. After a year of paying I see have been charged for BIS for Samsung phone and I have never been given the free data.Not only that but I am being overcharged the monthly subscription (R377 vs R249). I logged a complaint and was told that resolution will take 7 days to move me to the right package and then I must request a credit (my admin even though it was their mistake). Today, I ask what will be the new subscription and they tell me R449. I am frustrated and confused.<br> <br> Also what happens to all the months I had to pay for my own data when I had 150mb due to me?<br> Why am I going to be paying R449 as opposed to the R249 that is on my contract?<br> <br> I can't wait for my 2 contracts to expire and I am moving to another provider. Let me not get into the issue when I called 808 and a lady in accounts called Tuthukile Zulu (sp?) tried to convince me that I am not being charged for BIS. All this and not even an apology. Pathetic service