Bradlows bad customer services

My father bought a tv from JDG group and it broke during the guarantee or warrantee period. Bradlows fixed the tv twice but when they could no longer fix it they said they will replace it. When my father went to fetch his tv they refused to give it. They were fine with giving him back a problematic tv but when he had to give him the new one they refused saying his tv licence must be up to date they did not say that when they gave him the tv they claimed to fix. This to me is just a ploy to not adhere to the guarantee or warranty agreement. When he bought the tv his license was fine but now they using that as a reason to not give him the new one. HE was not informed about the license when they promised the tv. TWO agents named Thabisa and Bryan refused to assist me when I called