False information to obtain new Contracts

I was contacted by Vodacom for a new Contract. Their commitment was a new Contract with new Tablet, new WI-FI router, Data for R39.00 / GIG, Old Contract will be cancelled and new contract will take its place. Upon delivery , there was no Router. I did not complain because I have one already, When I tried to buy Top-Up Data they said that there was no such thing as R39-00/ Gig, the cost is R129-00/Gig. I'm still getting Charged for the old and the new account. I have tried to contact Vodacom for assistance. After numerous attempt to get somebody to assist, there were one lady that tried to assist. Her explanation was as follows. Nobody can cancel an contract before the expiry date and there is no such contract that provide Date at R39-oo/Gig. This was one of Vodacom's service partners that gave false information in order to obtain new contracts for Vodacom. I'm having three Data packages that I need to pay every month now. I have been with Vodacom for may years and I'm very disappointing by this incident. I need Vodacom to sort it out ASAP.