POOR SERVICE

I HAVE SEND 10 TIMES PROOF OF PAYMENT. THEY DONT RECTIFY MY ACCOUNT. EVRY TIME I PHONE THEY PROMISE TO FIX IT IN 7 DAYS. TWICE THE PHONE WAS PUT DOWN IN MY EAR. THEY HAVE CUT MY PHONES BECAUS I REFUCE TO PAY THIS MONTH BEFOR THEY RECTIFY MY ACCOUNTS.