@dicas.util5: We discover the hidden purpose of the USB port on the back of every TV since I show you step-by-step how to connect your phone to your old TV using a USB cable and a special app, which instantly transforms your outdated TV into a modern smart TV with YouTube and other features, all controlled with the same remote. #TVHack #USBPort #SmartTV #TechTrick #OldTVUpgrade PhoneToTV TechSecret DIYTech TVRemote TechTutorial