MTN Upgrade FAIL!

On the 15.11.2019 I did an online upgrade with MTN, and I received e-mail confirmation of my upgrade details including the number I need to be contacted on which is NOT the number being upgraded. Today is the 28.11.2019 and despite numerous frustrating phone calls to both MTN and DSV (delivery partner) I still do not have my upgrade. They still insist on trying to phone the number being upgraded which is used by my pensioner dad who does not live with me and therefore not able to accept the delivery. I have confirmed the correct number I need to be contacted on telephonically and on e-mail with more than 5 agents at both MTN and DSV. Today i tried to cancel the upgrade and the contract and i was pushed from pillar to post. Now MTN want to charge me cancellation fees for cancelling the contract as I have done an upgrade (which I have not received yet through to no fault of my own). I am up to my ears in MTN's sloppy service. At a loss as to what to do further!