Vodacom Online ignores their responsibility towards the consumer

I upgraded online on the 13th of Desember. Vodacom used SkyNet to deliver the device but everytime they attempted delivery, I got a SMS that says delivery failed. Everytime I was home and available. After 3 weeks I cancelled the upgrade. Now after another 3 weeks it is still not successfully cancelled and everytime I call Vodacom Online After Sales, they tell me I must wait for the sms and that it will take 3 to 5 business days. We are in total now at almost 6 weeks, and all Vodacom online can do is tell me to be patient. They don't do anything to solve the problem. I don't know if I will live to see the end of 3 to 5 days business days.