MTN SA poor customer service just pathetic

Hi I’m really disappointed in the level of service that I am receiving from MTN. I am a loyal MTN customer, pay on time and now am struggling to receive my new MTN device. I keep calling into the call centre at ***. Speak to customer service and they say I must speak to Sales. Then when I reach customer service they tell me to talk to Sales. This is rather annoying. My phone went in for a warranty assessment which was approved and was told to ring into MTN direct with my reference number IRMS659739 to get a new device delivered. I am at my wits end as don’t know how to get this actioned and will have to start complaining on various social medium platforms. As am paying for a device which I do not have! #annoyed #frustrated