BAD SERVICE / STILL WAITING FOR MANAGER TO CALL AS THEY PROMISED

I RAN OUT OF MY WIFI DATA AND QUICKLY WENT TO TELKON IN CENTURION IN EMBANKMENT . I BOUGHT10GB BUT ITS NOT SHOWING , I HAVE CALLED THEM WAS TOLD MANAGER WILL CALL ME BUT NOTHING IS HAPPENING THEIR CALL CENTER SUCKS YOU CANT GET THROUGH , TERRIBLE SERVICE FROM THIS PEOPLE , I PAID FOR SOMETHING I DONT HAVE OR CANT USE MONEY GONE BUT NO 10GB