Telkom wont fix my billing problem!

I have been so patient with this issue but I am running out of patience because nothing is being done and I am not given any feedback!<br> <br> My 2 year contract lapsed and went onto a month to month contract which is fine because I am happy with the contract, but my spend limit of zero was changed without my permission and consent. The internet monthly data normally gets used until it runs out. The same happened in the month in question except there was a high spend limit all of a sudden that I didn't authorise. Telkom billed me for this usage and said that they would fix it but I have not heard back from anyone regarding this problem.<br> <br> I need my account credited with the money that was taken from me. I have gotten the same bill every month and to be surprised like this is absolutely shocking! You cannot do this to your customers. What happened if I didn't have the money in my account? It would have been very damaging to my credit score.<br> <br> Please fix this problem as soon as possible. Thank you!<br> <br>