Telefunken from takealot

I bought a telefunken tv from Takealot on the 3November2025 on the 10January when I try to switch on the tv is no longer working then I was referred to Nuworld for assistance but I don’t get any assistance or feedback I call and send email to them but still no1 is able to assist or update me is been 2 weeks now I don’t know what to do with a TV that is less than 3months