Below standard service of contrac tI didn't want

I would like to log a complaint on Vocacom Direct Sales. I upgraded my contract after contemplating cancelling it and it turned out to be the worst decision in my time of more than 10 years as a contract holder with Vodacom. I requested a data contract on top up when I upgraded in late February 2022. I specifically mentioned that this contract is used by my wife and would like to buy airtime from time to time and to control spending. The contract started on 1 March and my wife complained that all of a sudden she cant buy airtime anymore. I then called around 1 March to have it corrected. The customer care agent said that will be done immediately. After two weeks, we checked again, but this was not corrected. I then called customer care centre where I had one of the most horrible service from Vodacom. I called customer care who said they can't help me after 20 mins the call. I was advised to call 082 178 44 of which the agent said I must call customer care after more than 25 mins on the call. Eventually I was told the agent that did the upgrade must resolve this issue. I have since waited for the issue to be resolved. At this point I don't want this contract anymore as the service I receive as a customer is below standard. I d