HORRIFIC EXPERIENCE WITH MTN

I had taken a phone contract in 2019 with MTN and that contract had expired in 2021. I was using that number as prepaid after my cancellation. Back in May 2020 I took a separate contract for wi-Fi and it was not linked to the expired one. I had received a call on the 2 February 2022 from a Sales Consultant wanting me to do an Upgrade and I have rejected the Upgrade due to financial reasons. On the 25 May 2022, I received another call from the same number***) for wanting to Upgrade and I told them I can't afford the contract because I was unemployed. I kept on paying for my contract until my expiration date which was in June 2022. I have been going up and down to cancel this contract as it has expired but I have not been helped by any consultant for my cancellation with numerous calls that I have been made with MTN. I even went as far as going to the Sandton MTN Branch to ask for a Head Office number or an email address and I was told to call the 135 number which was useless because no one is picking up the phone to help me with this issue. TODAY 7 SEPTEMBER 2022 MY CELL PHONE NUMBER HAS BEEN BLOCKED WHICH MAKES NO SENSE AS IT IS THE NUMBER THAT WAS NOT OF THE SAME CONTRACT AS THE WI-FI. MTN SOUTH AFRICA HAS BLOCKED MY PREPAID NUMBER FROM RECEIVING AND MAKING CALLS. THIS MATTER IS AFFECTING ME BOTH ON A PERSONAL AND BUSINESS LEVEL. IF I AM NOT HELPED BY THE 8 SEPTEMBER 2022 I WILL TAKE THIS MATTER AS FAR AS GOING TO COURT.