1- Go to Settings ⇒ My FIRE TV ⇒ Developer Options. Make sure Apps from Unknown Sources are Turned ON.
2- Open Downloader App and type the following url:
And Click on the "Go" Button.
3- Follow the on-screen instructions. After download finishes, you will be able to find the .APK file in the Downloader app. Click on it to install 9Xtream.
Note: If this method fails or "Package Parsing" error occurs, please download the APK file on your Phone/PC, transfer it to your fireTV and install it
Note: for this method to work, you must be using Google Chrome or Android Phone and be logged-in to the same Google account on your devices.
1- Go to Apps or LG Content Store.
2- Search for 9Xtream
3- Look for the 9Xtream's icon and install it