What customer Support ? ?

i have a data plan with 1GB of data per month, when i took out the plan i opted for the option to block access if my 1GB is done, and then need to TopUp, this was working fine till last month, when i got a bill for R1800 instead of just the R400 and something.<br> <br> I phoned 5 times and send a mail on there website and an there Facebook page.<br> <br> And still no feedback.<br> <br> This is useless, i can not wait for this contract to end, or i might just take CellC offer to pay out my contract and move over.<br> <br> If for some reason MTN see my post, please can someone competent get in touch with me.<br> <br> Online Ref : MTN REQ:***<br> <br> call ***<br> <br> i use a Vodacom number and you have it in the reverence number if you feel the need to contact me.