Very bad customer service

My services were suspended in June because It was in arrears.on the 26th of August I paid R1197,so I was reconnected on the 27th of August. I have only used it for 4 day in August,I am Surprised that I have to pay R399 again,I have received an sms stating that my account is in arrears and will be suspended. And from what I know,I am supposed to pay month end of September. Supersonic people are not consumer friendly. Every time you write a review on hellopeter they reply saying that they will resolve the matter and contact you ,but they never call.they don't care about their customers .even if we complain they just don't care about their customers at all.