Vodacom does it again for the 3rd time!!

This is now the bill that I recieved with a data amount of almost R3000. This after I got one for almost R8000, phoned them to chenge the package to top up as I wanted from the beginning. Nothing was changed and a year later I got a bill for R5000, phoned them again to change the package. Yet nothing has been done. Last month got my bill for R3500. This is nonsense and I will not pay for that bill as I did ask them 3 times to change it to a top up. Come on Vodacom, I have been a customer for 12years now, please get your act together!!