No services at all from mtn

We went to our branch in october to get mtn router and pay cash and received service for month. after the month the money was not deducted so we where sitting without service. We went back to our branch to find the debot order was not been sent through. We sit without a service month.So next month it was not been deducted again so we cancelled the contract.Opened again one and have service.Next month the money was not been deducted it was send back no payment again the service is off.I went to my bank to find out say mtn not send approval throught to the bank.Then I went back to the mtn branch saying it is my bank fault again. I phoning 135 several times where the agent are rude and throw the phone down.I went to other branch it krugersdorp sending e-mail the problem through with no luck to customer care, After two days hearing nothing.So we went this morning again to our bank and to mtn the agent there tried 3 times to send debit order approval. Then we phoned 4 times to 135 2 times the agents put the phone down the one say there is still data avaible and can been connected. So we plugged out the router as the agents says waited a while plugged it in nothing. So we called again 2 agents while we talking put the phone down no debit order no services.