Disgusted

I upgraded my contract on the 31/10/2015. I have logged numerous calls, complaints and still no delivery. I spoke to Ronel Pillay yesterday who promised me high and low to get back to me by sms and email, and that my cellphone will go out for delivery today. I spoke to RTT this morning who told me that they still haven't received authorization, (FOR WHAT) ???I have had no feedback, I am really disgusted by the service of Mtn. Why do you lie to your customers??? Please can someone who is a trustworthy person please respond to my complaint or I have no other option to cancel the contract.