How to

1. To install APK file allow install from unknown app on device settings : 

Settings > Apps > Special app access > Install unknown apps 

Settings > Apps & notifications > Advanced > Special app access > Install unknown apps 

Settings > Apps and notifications 

Settings > Security 

You might need to give a specific app permission to install unofficial APK files—for example, after selecting Chrome, you might need to then toggle on Allow from this source. Or, if you see it, enable Install Unknown Apps or Unknown sources.

Explanation video

Install  App

1. Install Downloader app from the FireStick store.
2. Go to the gear icon for the settings.
3. Go to the MyFireTv settings.
4. Go to developper options.
   1. If Developper options is not available, go to about, higlight the name of your FireTV and click 7 times.
   2. After that, the system will tell you that you are now a Developper. At this moment, you will have to click on your controller on previous and you will have to click on Developer options.
5. Click on install unknown apps and select Downloader from the list.
6. Go to the Downloader App click on search box, write down the app number.
7. Search app with code, install and setup.
8. For the next steps, click on this link :
   • Magiktv App (free) : 
   • TiviMate (free and paid) : https://magiktv.xyz/tivimate-setup
   • IPTV Smarters Pro : https://magiktv.xyz/iptv-smarters-pro

Explanation video

Downloader code : 

Magiktv.xyz.  -   Direct download Apk link by email

IPTV Smarters Pro.   -    815502

TiviMate Pro.    -    250931