Misleading contract information

Good Day Vodacom, <br> <br> When renewing my contract Smart S - I was advised that once my 2MB is up - I will not be able to use any further usage until the following month - i have just received a bill confirming that I owe vodacom R800.00 on a R308. contract - this is impossible and require an investigation <br> How is this possible, vodacom need to investigate the matter ( all your calls are voice recorded and i need management to investigate the matter with regards to my billing( new statement received)<br> I have been with VODACOM for the past 6 years and not a single unpaid d/o - but this bill is really ridicules<br> <br> Please vodacom look into the matter and i want finalization urgently <br> <br> S Padachy <br> <br> <br>