Telefunken 4K & Full HD Smart TVs (2020–2025 models), Telefunken Soundbars, and Media Players with a labeled "USB (Service)" or "USB Top" port.
: Use your specific model number (found on the sticker at the back of the TV) to find the correct software on the Telefunken official website or support portals. USB Update Procedure telefunken software update usb top