Repeated Broken Promise - Vodacom I want out!!!

I called Vodacom Call Centre on 16March to cancel My 5G contract, which has been problematic from day one! However, a consultant by the name of Ntlakanipho persuaded me by offering me a promotion of My Gig20. He explained to me that this promotion was a one day offer. I will be receiving 40G day, 40G night and 10G video for R149.25 which is to be paid on 01April 2021.

However, to my surprise while waiting at the bank to make payment today, I requested the balance to be paid and received my old account balance. Upon calling the call centre I was advised that the new contract was never processed. Now I am told to pay the old payment amount of the MyGig5 contract it will continue and can only be cancelled at the end of April. I have explained that I want the contract to be cancelled with immediate effect if I will not receive what was promised to me!!!

I will not be held liable for a contract that I wanted out of in the first place!!!