TFC CONNECT ********S

I am receiving data from TFG CONNECT, I was unable to pay my TFG ACCOUNT, NOW THEY HAVE LOCKED MY EXISITING MTN SIM CARD. WHY DOES TFG CONNECT BLOCK A SIM CARD THAT THEY DID NOT PROVIDE? YES MY ACCOUNT IS IN ARREARS THEN WHY DONT YOU BLOCK YHE DATA? NOW I CANNOT ACCESS ANYTHING WITH MY PHONE BECAUSE THE AIM CARD IS LOCKED. I CANNOT MAKE CALLS. WHY ARE YOU FIDDLING WITH ME MAKING CALLS BECAUSE YOU ONLY SEND DATA, DATA AND MAKING CALLS DONT DONT MIX . PLEASE UNLOCK MY PHONE AND TAKE YOUR DATA AND CANCEL YOUR CONYRACT IMMEDOAYELY. YOU HAVE NO RIGHT TO BLOCK ALL MY ACCESS, I CANNOT EVEN ACCESS *136# . PLEASE REMOVE THE BLOCKING AND TELL MY HIW MUCH I MUST PAY FOR YOUR DATA YOU PROVIDED THIS MONTH AND STOP THE CONTRSCT