DID NOT CHANGE MY PACKAGE TO A TOP-UP

HI PLEASE CAN SOMEONE ASSIST ME. I HAVE TAKEN THIS CONTACT OUT IN – 21 NOVEMBER 2016, 1 GIG CELL NUMBER ********** 155, 24 MONTHS. AT THE MACKRO STORE WHERE I TOOK THE CONTRACT OUT I IMMEDIATLEY MADE IT A TOP UP. THEY TOLD ME THAT IT WILL TAKE A MONTH AND I SHOULD ONLY USE AFTER ONE MONTH. WHEN I TRIED USING IN DECEMBER 2016, AFETR A MONTH IT DID NOT WORK DUE TO THE SIM CARD NOT WORKING. FOR 9 MONTHS I DID NOT USE ALL THE DATA WHICH IS 9 GIGS OF DATA I ONLY STARTED USING THE SIM 9 MONTHS LATER , WHEN I HAD TO GO AND DO A MIGRATION A PURCHASE A NEW SIM FOR R75 FROM LA LUCIA MALL IN DURBAN. I ALSO IMMEDIATLEY HAVE BEEN CALLING VODACOM CUSTOMER SERVICE TO CHECK IF ALL MY CONRACTS ARE ON A TOP UP. IT WAS CONFIRMED FROM VODAOM THAT ALL MY CONTRACTS ARE ON A TOP UP. WELL IT SEEMS LIKE YOUR CUSTOMER SERVICE DEPT DID NOT DO THEIR JOBS. YOUR CALLS ARE VOICE RECORDED SO YOU MUST VARY THIS INFO. WHAT DO I DO. MY BILL IS SITTING AT R1600.00 WHICH I CANNOT AFORD. WHAT HAPPENED TO ALL THE DATA THAT I DID NOT USE FOR 9 MONTHS OF THE CONTRACT THAT VODACOM GOT FOR FREE. THEY GAVE ME A BROKEN SIM TO USE WHICH NEVER WORKED FROM NOVEMBER 2016. HENCE AS I MENTIONED ABOVE I ONLY USED IT NOW 2 MONTHS AGO. I NEED ASSISTANCE ON THIS MATTER AS IT IS MAKING ME CRAZY. ********** 599