Disappointment

I'm really not happy and never felt abused by a network service provider like MTN is doing. I had a 2 year contract with MTN that lapsed on the 17th of August 2024,by the way I called them earlier to inform them that I do not intend to continue with the contract and they said to me I must wait until the last day of the contract which is the 17th right !Ok I made a call on the 19th and they said I should have informed them 30 days prior to the end of contract and told me that the package will now be downgraded to a month to month basis which became a confusion to me because this was not what they told me initially. Normally I received data and minutes on the 17th of every Month of which for September I was not expecting anything since well I have cancelled the contract. Boom they have loaded the data and minutes(500 MB and 100 minutes) and charged me R178 which I believe that this is a ******* as there is no way in this competitive market that one can buy that little package with that huge amount of money and to make the matters worse, they have taken away the remaining minutes on the 19th of September when the contract ended and yet expected me to pay the R178.So I have reversed the amount as I could not benefit and now they are threatening to suspend the services unless I pay the money. This is total unfairness and you know what I'm tired of MTN treatment towards me ,if they want to deny me their services they can go ahead and let them take their number as well because according to them this is what I deserve after being with them for 13 years.