Disgusting customer service from Multichoice DSTV ...they don't value a customer

I was on higher package for about 15 years plus and I just downgraded just a month ago because my finances are not looking good. Firstly on the day I downgraged I was treated rudely by two agents and after reporting my situation a lady called to tell me that they will deal with the agents fine i move away from that.. I was paying on the 25th of each month not that i am subjected to pay on that day. I was paying everything i was owing on the. 25th to make my life easier. I even indicated that on the call it is not a debit order.. I told her the downgrade will be paid by end of the month. Its not even month end but my services are disconnected because they want me to pay a higher amount than what i have downgraded to... Dstv is bad in customer service and does not understand the meaning of service to its customers...they are quick to disconnect you . im failing to understand because i do not have a debit order agreement with them or pay date agreement . i would understand if it was month end ...what is this???