Lodging complaint about my upgrade

Good day I have received a call to upgrade my mobile router wifi from telkom only to find out it when I,, I Lodge a complaint from telkom only to find that the person that called me it was an agent to upgrade my mobile router the sales consultant didn't explain that it will be it an open plan whereby it doesn't have a spend limit I called telkom and telkom refer me to cell Direct cell direct refer me to telkom back because they say they're are only doing point-of-sales they are not the one doing the deductions I'm surprised because I've been complaining almost every month because they deducting the money that we never agreed on because I thought it's the same contract similar to what I have done last year the only thing that they told me it's just it's going to have it doesn't matter as if it's at night or a day I'm going to receive 10 gig from them when I call cell Direct they get surprised at why should telkom refer me to them so what I need I need my money back because I called to say they must do the speed limit and they said the dispute department will contact me even today I haven't get any call I'm using my daughter hello Peter because I don't have an excess of the email I'm using the work one the work email and you don't want personal things to be sent to the email please help me because I've been deducting lot of money R500 toR1000 every month I need help because I've been sending Polo to post I don't know who to complain or who do I send this dispute because what I needed from the at this point of sales for the person who called me to upgrade my contract my contact number ********** my name is Dorcas thank you