Warm Prompt: The setup of this merchandise is a bit complicated, if the product would not work properly, please be sure you touch us first, instead of opening a dispute or writing damaging suggestions directly, we can actually enable you to remedy the problem!Important !!The analog TV signal isn't always processed by way of the Android OS level, so the backlight utility won't paintings with regular TV channels. The backlight works completely with Android OS functions that don't use secure content. 4K functionality depends solely in your hardware. Unfortunately, applications equivalent to YouTube and Netflix use safe content material (DRM), this software has no means to work with them. In order to make it work you should utilize the particular client. For instance SmartYoutube software:Windows: Ambibox or Prismatik ( Raspberry Pi: Openelec/libreelec+Hyperion ( Android TV/TV boxs(Xiaomi isn't recommended) (Android 5 to nine version): Ambient comfortable Application for Android (Paid software) (Or, the video sign of the pc is output to TV, TV as monitor.) (Or, set up or run Openelec/libreelec+Hyperion on your TV/TV box.)