Misleading Advertising

I went to the MTN Walker Drive Branch in Port Elizabeth and took the MTN booklet with packages. I decided on one of the R229 per month packages. I asked what I needed to bring and went in a second time with my ID document and proof of TV licence as it was a combo package. The phone was also ordered from another branch as I said that it is urgent as my current phone is faulty. When I took in the documentation for the upgrade and the phone was scanned it scanned R 299 so they informed me that they don't want to process the request and then I will be charged the wrong amount so I will have to come back when it was rectified. I was phoned that it was rectified and I specifically asked if when I come in that everything will be in order as the previous time it was time consuming and I couldn't upgrade. I spoke to Dwayne over the phone and he assured me everything is sorted out. I once again went in but there was another person working in store. I informed him that I spoke to Dwayne I want the upgrade to be done. After about 40 minutes the phone again scanned R299 and they said I must wait they will follow it up. The debit order went off already and still I've no phone or updat