The incompetence at MTN has to be dealt with

I have been trying since May 2023 to resolve an issue with MTN regarding my account where they charged me for early upgrades that 1. I reversed having not been made aware of the early upgrade fees and 2. I never asked for any upgrade on a device contract. Having been bounced around from one department to another, I have not been helped, instead my account was constantly suspended. I eventually stopped paying altogether because why should I pay for a service I was not receiving. Now MTN have sent a demand letter out to me. Despite my numerous attempts to resolve pass issues and have my account reinstated to the point it was at before these upgrade charges, MTN has failed to assist and rectify it. I’m trying to get in contact with any one who has had this type of issue with MTN as I feel my only solution now is to take MTN to task. These corporate companies keep exploiting and abusing us and it’s time we fight back.