Bad bad n mean customer service

I bought a television on the 6th of April yet it stopped working within 7days n took it back to the store where bad service and rude people who work there served me saying it bombed that time I bought a surge plug from how can it bomb n now wen I go back to the store staff named somelisiwe or something she didn't even have a name badge, there is so rude n mean saying they not responsible for only selling appliances not fixing or responsible for whatever happens n If I no longer want that TV I must tell guy from TCL or call them it not her responsibility and I no longer want that brand I want a different brand or my refund as this TV disappointed me it stopped working with 7days n GAME JABULANI MALL STAFF WHO SUPPOSED TO ASSIST ARE SO RUDE RUDE