CANCEL THE ****EN CONTRACT WITH IMMEDIATE EFFECT

I AGREED TO TAKE AN UPGRADE FOR THE NUMBER *** WITH YOUR COMPANY VIA MTN FOR AN UNCAPPED DATA OF R249 FOR A MONTH TO MONTH CONTRACT.INSTEAD U MAKE A DOWN GRADE OF 6G PER MONTH WITHOUT MY CONSENT.IF ITS TRUE OUR CALLS ARE RECORDED FOR QUALITY PURPOSES, GO AND LISTEN TO HOW YOU ****MED ME.I WAS ASKED TO PAY R257,04 FOR WHAT?? IAM SO ****EN ****ED NOW I CANT CANCEL THE CONTRACT ANY MORE BECAUSE YOU MADE THE WRONG PACKAGE,I WANT MY ****EN REFUND!! CHECK YOUR ****EN RECORDS IF YOU DONT BELIEVE ME🤬🤬