SUBSCRIPTION NOT REFUNDED- WRONGFULBLACLISTING

DURING APRIL 2014 I PURCHASED A CONTRACT WITH MTN. THE PHONE WAS IN USE UNTIL OCTOBER 2014 WHEN IT STOPPED WORKING. I SPOKE TO SAMSUNG AND THEY TOLD ME THAT THE PHONE WAS BLACKLISTED. I CONTACTED MTN TO UNDO THE BLACKLISTING WITH ALL THEIR REQUIREMENTS SENT TO THEM FOR REMOVING THE BLACKLISTING. MTN DID UNDO THE BLACKLISTING BUT HAS NOT REFUNDED ME THE SUBSCRIPTION FOR THE TIME THEY HAD BLACKLISTED THE PHONE DUE TO NEGLIGENCE ON THEIR SIDE AS THEY CANNOT FIND A REASON AS TO WHY THE BLACKLISTING WAS DONE.<br> <br> PLEASE MTN RESOLVE THE ISSUE, THE NO IS ***