what the...

For the last four months my vodacom bill has been in excess of R4500. this strangely coincides with the new samsung I received after my blackberry croaked. In the first month they wrote R2800 off the account and debited R570. When I went to pay expecting something in the region of R2500 our usual average I was told it was over R4000. I said I was expecting the credit and they said it had been done.I have asked for bills going back to May and recived the July invoice. When I queried the data cost they told me that \new phones come with a lot of onboard apps which use data". This is not acceptable. I was not told this. In May I was told to use their data logger thing which I did but it has made no difference. Now they have blocked the line. I want to see the bills and I want the explanations. Now"""