Amazon Fire TV & Firestick 4K
Search for 'Downloader' on your Amazon App Store. Install it and ensure 'Install Unknown Apps' is enabled in Firestick Settings > Developer Options.
Open Downloader and enter the quick download code for TiviMate Premium or IPTV Smarters Pro provided in your Sonix IPTV activation email.
Choose 'Login with Xtream Codes API' and enter your Username, Password, and Server URL. All channels and TV guides will sync immediately.