Incorrect billing

<p>I was billed 1350 and some change, yet havent used the sim for over 6 months, on the 13th of September 2016 i went into the vodacon store at the mallof Africa to buy a new sim and do a sim swop, which i have proof of, i then tried using the sim card and the pin wont go thru i then call the customer service number and was given a puk knumber which also didnt go thru, the lady then advised that i need to go to the vodacom store, and then i get a bill for that ridculous amout. I called in the customer service number today 04.10.2016 and wa told it will take 4-6 weeks to investigate, i didnt budget for this amount, thus leaving my bank account in a minus which will reflect badly on my name. Please can some rectify this immediately. i have reversed the debit order, and will pay the correct amount once fixed. </p>