********** Upgrade by Mondo agent

********** UPGRADE: I have a MTN contract. I was contacted by an agent from Mondo, who does their external marketing, on 30 October 2020. I said no thank you to the upgrade offered by the Mondo agent. However the upgrade was still put through - even though I DECLINED. I immediately queried this with MTN, and of course I was referred to Mondo. And so the nightmare begins. I finally managed to get through to somebody at Mondo who investigated my call and came back to me to confirm that they listened to the call, and indeed it was not a valid upgrade processed by their agent. And of course promised that they would cancel it. It is almost 3 months later and nothing has happened. Whenever I phone MTN - they refer me back to Mondo - although I am a MTN client??! I've had so many stories - the latest that they can't cancel the ********** upgrade they did, and I will have to cancel my contract with MTN and go to Pay as you Go??? Even that was not processed yet. When I send an e-mail (because trying to phone them is a nightmare) I just get an answer that I must go to an MTN branch. I've done that already! And you even sent me an e-mail confirming you will fix this while I was in the MTN branch. But still nothing! They process a ********** upgrade and then I have to sort out the mess! UNACCEPTABLE!