Failure to deliver on Contract

My wife and daughters contracts were up for renewal and I decided to renew with MTN even though I've had numerous issues in the past (rather the devil you know...). Anyway we ordered two iPhone 16 GB 5c on contract at R249 per month on the 28th of July from MTN in Woodlands Mall. We were told 5-7 workings days for the cells to arrive. On numerous occasions over the next couple of months I went in to enquire about the delivery but was told that Apple were on strike and the phones weren't delivered. After another call from me I was now informed that the 5c have been reordered last week and are expected in by the end of this week but the our original order will not be honoured as the 16GB and the 32GB cells have been discontinued. I am still waiting for any news on either of these orders and it is now nearly 4 months later. At no time did any person from MTN bother to contact me. I eventually tried logging a complaint about 2 weeks ago, but again have had no joy or reply even after phoning twice. Really pathetic customer service and I am left with no option but to cancel these and my other MTN contracts and look elsewhere for anyone willing/capable to provide me service.