My Last Vodacom Contract

I upgraded through a Vodacom4U at Mall of the South. Since then everything has gone haywire. It took almost a month before my DexPad were delivered, and I never received my free 10GB once-off as was promised to me in-store. Now, when I want to buy data, I am unable to because the add to account option I always used have been removed from my app. I phoned Vodacom customer care and they would have rectified the problem within 48 hours. It is now a week later and I have not received any response and the problem still persists. This will be my last Vodacom contract.