Unfairly blacklistedRemove my name from bad payers

I had a contract with Nashua mobile which was then closed and my account was then handed over to Altech Autopage.<br> <br> From the beginning of this exchange my account was going smoothly and had no problem with billings as I had agreed with <br> the company that as soon as I reach 2 G which is the agreed data and limit of my contract, surprisingly in the month of June and July I was hit with a bill of over R3500 and the funny thing is when I look at the data used, it's 5G, but hold on, my data limit (capped data) is 2 G, how did I accumulate this high amount of data? When did you guys decide that it was ok for me not to have ulimited data? Why would you think I want to pay more than R500 on a device that I have already for 2 years, I could have bought a Telkom mobile data 3G for R199, when did you guys change the agreement of my data being kept at 2G? Now I owe R9000, flippin 9grand because of data? come on guys, I'm trying to buy a house and you going to deter my dream because of data? This is silly, think about it, it's not a car, it's not a house, it's nothing that couldn't have been avoided, please remove my name from ITC I want to to buy a house, please compare my previous invoices