First, we need to learn that IPTV devices do not play the stream automatically. Firstly, make sure you have uploaded the M3U playlist correctly.
M3U Troubleshooting

Then, verify the proper function of the app installed on your TV. For instance, if you use the SIPTV, you have to add the M3U line and MAC address of the TV in order to activate the app. Please follow the instructions at How to setup IPTV on Smart TV.

Troubleshooting 

Smart IPTV application has many problems lately, users encounter issues where the SIPTV app no longer display the channels or stays on buffering.
Also maybe meet problem Connection Failed on channels or you losing a list (error Check playlist URL!) 

In these cases, we highly recommend:

First, reinstall app on your TV.
How to install SIPTV in Smart TV?

Second, Generate a new password for M3U url and reset your playlist on SIPTV website.

Note: Try to reload new updated link again in siptv.eu based on the instructions demonstrated above and please consider to upload the URL there (do not download the file and upload the static file).

 If still have issue please try other applications for Smart TVs like:
IPTV Smarters 
Smart STB
SS IPTV app

Siptv playlist error and connecting error

How to update SIPTV app

Take a close look on SIPTV app icon on your applications list. If you notice a blue upward arrow next to Smart IPTV App then an update is available. You can go to your Smart TV's application store, search for SIPTV app and once you find the download page, you can click on update and download the latest version. 
How to install SIPTV in Smart TV?

Please note, in order to update the SIPTV app to the latest version, you must first update your Smart TV's operating system. For further details please visit your TV manual.

 

Developed by iptvhelpcenter.com

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How to Troubleshoot SIPTV app?

Check playlist URL error in Smart TV.

Connection Failed error in SIPTV.

How can i update SIPTV app?

Channels do not work in Smart TV after uploading playlist.

SIPTV problems.