4 Months of complaining and nothing have been done

I have been complaining for 4 months now and I don't get any feed back.<br> <br> I have upgraded on 1 may 2015. since then my contact have been one big mess.<br> I have signed for a R650 contract and since may I have been billed R1000 to R1600 every month.<br> Mtn can't even give me a straight answer to why I'm billed to this extend. every time it's a different story I get from Mtn.<br> I have to Beg Mtn to activate my phone every month after I have paid.<br> I want assistance and if Mtn isn't willing to give me assistance I want this contract to be cancelled.<br> Can Mtn Please assist me with this problem ? Or what can I do to get this Problem sorted ?<br> Do I have to go to Mtn and sort it myself or what???<br> I feel 4 months asking for assistance and nothing have been done is unacceptable.<br> Can someone maybe send me a number of someone that would be willing to help me??<br> What can I do to get this sorted!!<br> Every time I get rude people with Mtn. They put the tellephone down in your ear or they put the phone down on the desk while you're talking and then you just have to explain your self.<br> I'm really sick of this.