Complaint Vodacom

Please help. I am desperatly trying to sort out problems with Vodacom I tried almost every department including mails to the CEO but no solutions nor positive responses for the past month of communication.They have stopped calling nor sending mails to me. I have major disputes with a contract they charging me for. Not any consultant can explain why. I am pleading to Hello Peter for help.I am 67 years a pensioner cannot deal with inefficient people.They just don't care.Tks Veno