Vodacom ********ly debit orders

I have never had any dealings with Vodacom. I got 2x debit orders which did authorised at all. NO CONTACT WAS MADE BETWEEN ANYKNE FROM VODACOM BUT I RECIEVED 2x debit orders 1st was R120.75 which i reversed the debit via my banking app and seconf was a large amount of R906.59. Vodacom please remove all my information petaining me. I do not want business with you guys if you continue with this fruadulent activity. I DO NOT AUTHORISE AND DO NOT GET ANY SERVICE FROM YOU AT ALL PLEASE GET THIS SORTED