1. Download Net IPTV app, open it & note the MAC ID displayed.
2. Open their M3U Uploader page from computer/phone: netiptv.eu/upload
3. Enter MAC ID & add below M3U list. Then restart the app.
M3U: http://et1.xyz:25461/get.php?username=xxxx&password=xxxx&type=m3u_plus&output=mpegts
Note 1: Replace xxxx in M3U link with your Username & Password respectively.
Note 2: Net IPTV costs a one-time fee of €5.79 after a 7 day Trial. Unfortunately there are no free apps for Smart TV.