Lies upon lies

I've been a Vodacom customer for many years and had normal issues with them until now! My two year data contract was almost due and I got a call from a sales person offering me a promotion of 10 times more data for the same price per month because I have been such a great customer. When my statement was emailed it was reflecting something completely different and way more than what I thought i signed up for. With resolving this issue i have called Vodacom numerous times in the past two weeks and they have just **** and made empty promises about call backs and they couldn't tell me what my data plan price would be. I have spoken to team managers as well but nothing has come of the situation. I was told by two consults that I can request to listen to the calls and two told me that i can't. That wasn't the only thing one consultant told me that another said it wasn't true. On my last call with Vodacom I all of a sudden needed lawyers to listen to a recorded call between myself and Vodacom, how can this be? My reference numbers are *** and 005202EE010EE482. I'm at a point where I dont just want to accept things but also what am I suppose to do?