POOR DSTV SERVICE ON INTERNET DEAL

I have been asking for assistance to change my DSTV internet password and i am not getting any help from DSTV.Yesterday i called the customer care line and i was attended by a lady called Bulelwa,the lady did not have a clue of what she was doing,kept on the line for 20 minutes until i ran out of airtime.She didn’t even know that DSTV internet app was continued months ago.She took and number and said she will call me back,i am still waiting.I want to change my password because i suspect that there is a device connected to my wifi.My email is ***