MTN IS A ****!! STAY AWAY FROM MTN SOUTH AFRICA.

I took out an MTN Month to Month data sim card. I am trying to cancel the contract I am told I owe an amount of R300.28 of which I paid they keep on telling me that it doesn't reflect on their system yet I've got proof of payment. They have been giving me run arounds for weeks. Nexr thing you know it that amount will be a huge sum of amount yet I paid. MTN is a **** DO NOT TAKE OUT ANY CONTRACT DEALS WITH THEM!!!