Contract

I recently got a job in UK and had a data contract with Vodacom. I called the customer care to explain the situation and i was told to settle the account.After doing that i must email the invoices.

I went to Vodacom at Kempton park Festival mall and i settled my acount,after settling thw account I've emailed the invoices.First and second after settling the account they did not debit anything.After 3 months they start with debit and doubling the amount.

Now i cant leave money in my account because they will take it yet i have settled the account. I can't even call them because im not in south Africa.

VODACOM IS A **** GUYS.PLEASE HELP ME