HTML Video not working on mobile

Question

I have a full width background video with autoplay and loop propreties and works really good on desktop but in mobile video dont show and dont start... just show a black scr

Answer 1

The Autoplay tag on mobile is generally not supported - this is to avoid users incurring data transfer costs as video files are large and can eat into data limits.

The poster tag should work fine, however, as I think you noted in your last comment.