Pathetic Customer Service

I was called by a Mondo sales consultant offering me a heavily discounted MTN 20GB data contract deal. I asked the consultant Mfundo to call me back the following week as I had to first cancel my existing Vodacom contract. I did so and had to call Mondo to try and track down Mfundo. Many calls later and after my request being sent multiple times to the wrong department, another consultant called me. I asked multiple times for the breakdown of the data and was told 12GB daytime and 8GB nighttime. I was happy with this and that a laptop was included as a bundle so I gladly accepted. After activation of the contract I called MTN and was told the data was only 6GB daytime and the remainder was split in all kinds of ways for YouTube and music streaming. Not at all what was sold to me and confirmed by both sales consultants. I then called back and the same consultant told me there was nothing he could do. After insisting to speak to his manager, Akashni was put on the line. After a heated argument I was told by her that I would need to return the sim card and laptop and take up another more expensive contract. I told her I was not willing to do so and she promised to call me the following day. Needless to say after again calling Mondo I am still waiting for Akashni's call. I have since attempted to return both the sim and laptop in order to cancel this contract. I was told be another consultant that this could be done at any MTN store. I went to 2 separate stores only to be told I need to go to a specific MTN Direct store. Not only is Mondo pathetic at customer service, they have wasted countless hours of my time, phonecalls and petrol!