@dicas.util5: We reveal a hidden feature of USB cables that manufacturers keep secret. We show you how to use your USB cable to update your old Smart TV by connecting it to the TV's USB port, downloading the Infotec Tutorials app, and running a system update that transforms your outdated TV into one with modern functions. #USBCableTrick #SmartTVUpdate #TechHack #HiddenFeature #TVMaintenance