Vodacom disgusting customer service continues

So I recently posted on how disappointing vodacom has been and the drama continues. So after never receiving the service vodacom still debited my account no surprise. I then cancelled the service on the 31st of July and again no surprise havent heard a signal thing from vodacom regarding my refund and my cancelation. I've contacted them numerous times that now I'm ready to just commit ******( not literally). I'm so disgusted that a company such as vodacom has absolutely no customer ethics. Please if someone can assist me in who I can actually contact to resolve this issue