BEING FORCED TO KEEP A CONTRACT ,I AM UNEMPLOYED FOR CRYING OUT LOUD

need assistance with cancelling my mtn contract and i must say wow it has been a hustle ,i have clearly stated that am unemployed but noooo the agents are insisting i take a lower package ,i am not interested all i want is to cancel the contract, I spoke with 4 agents already who seems great at disconnecting calls just because i don't want to upgrade and the last one was really funny,i was advised my account is in arrears and i know very well my account is up to date and if am in in arrears why is the account still active and i hvnt received a communication with regards to the arrears ampount,i was then transferred to collections where i was told my account is not supposed to go to them it should be with customer care like really ,i am so upset and furious at mtn after all these years one is being forced to keep a contract which ne cant afford,PLEASE CANCEL MY CONTRACT