Vodacom run around!!!!

I’ve never written a review criticising any business so doing so means I’m incredibly frustrated and disappointed by the way that I am being treated after being a loyal customer for over 15 years and am contemplating cancelling all 3 contracts that I have with Vodacom throughout the year as they reach termination period. I phoned cancellation department (***) to cancel my data packages as termination date had arrived. Instead of cancelling my data packages that I specifically got for my children who are at varsity,I instead was persuaded to carry on by a very, very persuasive Vodacom lady (not mentioning names). Was told that I had 14 days to cancel all contracts. Spoke to my children the same day and was told by them to cancel the updated contracts as they has lost their routers. I contacted Vodacom immediately the next day and have since got the run around and have been battling for over a month for Vodacom to resolve my problem. Instead I now am paying even more than I was a month ago. Would truly appreciate any suggestions on what I should do and what service provider would give me a better service???