Up normal billing system

Good morning I have a serious problem with dstv regarding billing I was using a dstv explorer which had to have showmax after being advised that I must change to dstv explorer ultra all my nightmare started I reported to hello Peter that I still can't view showmax they said my problem has been resolved which was lie now they billing me like hell they have even changed my subscription to premium without my knowledge and expect me to pay premium amount this has gone to far please hello Peter intervene into this matter because now even client service failed to explain what is happening on their system because they their system is messy