Vodacom 4 u alberton city

I had the worst service from vodacom, i have been with them the last 11 years, end last year i upgraded my data contract with them, the vodacom 4 you store in alberton city did the upgrade, the put my contract as a open line where it was a top up contract, so i used more data then the 10gb i singed for, they trying to force me to pay for theire mistake, i paid the 1st month and went in to the store to have it fixed, they send a mail to fix it and refund my money, this was on the 28th of December 2017,2 months later, still waiting for my refund and my phone is switched off and i was threatened by laywers, and a Mr Karabo phoned me, i explained what happend, so he said to me, i am not interested in your story, pay the money, then put the phone down on me, i will be moving away from them and the story will go all over, newspapers and wherr ever i can putt it up, now i must pay double this month and still waiting for them to sort out my account, been to the shop twice, phoned to sort it out, emailed vodacom 4 u head office and still nothing, after 2 months,