Im not HAPPY at all

I received my explora last month and the installer came and install it but it was not displaying a picture i went to Multichoice Branch in Pretoria 2 times at the 3rd they exchanged it. But still not displaying but my old decoder is working perfectly. The installer then came again last week and took it to his branch in Jubilee Mall (Hammanskraal) and now they telling me that i must and fetch the decoder because the driver wont be doing up and downs his wasting petrol.

I just want my contract to be cancel because i can't pay for something that its not working for me. #Asseblief