Open the Downloader app (or your mobile browser) and enter the URL provided by your IPTV service.
If you are looking for the popular browser with a built-in video downloader: Open the on your Android device. Download PHOENIX IPTV apk
Go to Settings > My Fire TV > About . Click your device name 7 times to enable "Developer Options". Return to the previous menu, open Developer Options , and turn on "Install Unknown Apps" for the Downloader app. Open the Downloader app (or your mobile browser)
If you are trying to install a third-party IPTV app or the "Phoenix" addon for Kodi, follow these steps for a Firestick or Android TV: 1. Enable Apps from Unknown Sources open Developer Options