video is not playing on the phone

Hello@veloheld ,
Major?browsers disabling autoplay to improve User Experience. Please read the recent update of Auto-play policy.?

Chrome Autoplay Policy –  https://developers.google.com/web/updates/2017/09/autoplay-policy-changes

Safari – https://webkit.org/blog/7734/auto-play-policy-changes-for-macos/

Hope this helps you.
Thanks. 

Thank you. But the videos are not autoplay. It is not possible to press play!

Could you kindly share a live demo link for testing purposes?

Of course! Here is a link: https://www.veloheld.de/mit-dem-neuen-veloheld-iconx-in-den-koenigshainer-bergen/

In the pc browser it works but not mobile…