1: From the home screen of your device, hover over the Find option.
2. Click Search.
3. Search for and select Downloader.
4. Choose the Downloader app.
5. Click Download.
6. Once the app finishes installing click Open.
7. Return to the home screen and open Settings.
8. Click My Fire TV.
9. Choose Developer options.
10. Click Install unknown apps.
11. Find the Downloader app and click it.
12. This will turn Unknown Sources to On for the Downloader app. This will enable side-loading on your device.
13. Launch Downloader.
14. Click Allow.
15. Click OK.
16. Type the following URL exactly as shown here: https://www.iptvsmarters.com/smarters.apk
and click Go.
17. Wait for file to download.
18. Click Install Iptv smarters pro .
19. Click Done.
20. Open IPTV smarters Pro then select Login with Xtream codes API.