NO DELIVERY FROM 21 MAY

I ordered a tablet for R99 per month on the 21 May. It took up alot of my time with the call centre to conclude the deal and I was told that the delivery will take place within 5 days. I am still waiting for the device. I called the call centre more than 4 times and really the agents that I dealt with were not helpful at all, except to say that the contract is pending at Vodacom. Instead of finding out what the issue is, all they do is look at the screen that says the contract is pending and that is as far as they help you. How much longer should I wait, this is shocking service to say the least. I have now asked them to cancel the contract. I am actually quite annoyed that to get the business, the agent was very convincing and helpful and took up alot of time, but the service therafter is ridiculous.