Over debit

<p>I have a contract with Telkom for a mifi wifi where I get 5gig monthly and I have to pay R99, last month I was debited R698 instaed of R99 when I query that I was told that I was given R500 credit on my account which I and I used it that is why I have to pay for it, I then said I didnt ask for any credit on my account and I don`t want it they must remove it and was told that they will remove it but for the month of June it is already added again so I must make sure I don`t use more that 5gig that I am allocated for. I did that for the month of June the moment I reached 5gig I removed the sim of the router but this month again I am debited R599 instaed of R99 again. I then called this morning and spoke to Nakedi who told me that she will log a call for this query. I am sick and tired of Telkom`s reap off they are ****** I have never ask for a R500 credit why is it being added on my account without my concerned I want my R500 refunded back into my account and I just want to cancel the **** account. My account ********** 62 cell ********** 464.</p>