Appaling Service_MTN Online

As a new contract holder I am extremely dissatisfied with the service from MTN. I took out a new contract on the 13th of December after a few weeks the screen started to show lines so I took it to the Pavilion store and had it booked in for repairs as it was still under warranty. I received an SMS on 31 Jan stating that the device was repaired and will be delivered within 3-4 working days to the store. I allowed a week and when I called the store the device was not instore. After numerous follow ups I received a call from the store on 14th Feb and was advised that the device was going to be replaced and I need to contact MTN online to arrange for the replacement device to be delivered as the contract was taken out online and was given the number *** to call. The customer service was putrid! I was transferred a total of approx 20+ times in one call. Eventually I was told to call Vasco connect on *** as the contract was taken out with them but the number doesn't work. Since then I have been trying to get assistance by calling MTN online and chatting to them on WhatsApp but no one responds. This is going to be the second month that I will be paying for a contract for a phone I don't have!