SWITCH MY SIMCARD OFF BECAUSE OF C SURANCE MONEY HOW MANY TIMES DO I HAVE TO EXPLAIN MYSELF

IM REALLY JUST FED UP WITH C SURANCE AND CELL C. WHY ON EARTH ISIT MY PROBLEM IF C SURANCE ONLY CANCELLED MY INSURANCE ON JANUARY NOW I MUST PAY THAT MONEY AFTER I CALLED IN ON OCTOBER AND MADE IT VERY CLEAR FOR THEM TO CANCEL MY INSURANCE NOW THEY WENT AND PUT MY SIMCARD OFF BECAUSE OF THIS INSURANCE MONEY BUT MY DEVICE CONTRACT IS UP TO DATE. LIKE I SAID TIME AND A AGAIN IM NOT GONNA PAY BECAUSE I DIDN'T SAY YOU MUST CANCEL MY INSURANCE ON JANUARY .SORT YOUR MISTAKE OUT