MY PROBLEM IS THAT IM ON MTN PREPAID SINCE THEN AND IS ALMOST THREE YEARS NOW, TO MY SUPRICE YESTERDAY IM TOLD THAT IM ON MTN TOPUPA AS I WAS TRYING TO TRANSFER AIR TIME TO MY FRIEND AS USUAL.SO PLEASE TAKE MY NUMBER BACK TOP PAY AS U GO NOT CONTRACT.MY CELL NO IS..0735557957. read full review »