Hi I am Senzo Hadebe I've got a complain about Italk, iTolk something like that, 3mnths ago,so now last month the phone refused to operate,l called them to about this problem

Hi I am Senzo Hadebe I've got a complain about Italk, iTolk something like that, 3mnths ago,so now last month the phone refused to operate,l called them to about this problem. They promised to send courier to take it back,till today but they still debit order is still remaining, I'm paying for nothing. Please help me 👏🏾