![video related errors in firefox for android - "no video with supported format and mime type" and "video can't be played because file is corrupt" : r/firefox video related errors in firefox for android - "no video with supported format and mime type" and "video can't be played because file is corrupt" : r/firefox](https://i.imgur.com/cb85i5i.jpg)
video related errors in firefox for android - "no video with supported format and mime type" and "video can't be played because file is corrupt" : r/firefox
Add support for AdGuard's `mp4` filter option · Issue #281 · gorhill/uBlock-for-firefox-legacy · GitHub
![Firefox 35 beta arrives with easier Hello calling, MP4 playback on Mac, and Android download manager support | VentureBeat Firefox 35 beta arrives with easier Hello calling, MP4 playback on Mac, and Android download manager support | VentureBeat](https://venturebeat.com/wp-content/uploads/2014/10/firefox-beta_logo.jpg?w=1200&strip=all)
Firefox 35 beta arrives with easier Hello calling, MP4 playback on Mac, and Android download manager support | VentureBeat
![Firefox 49 error "This browser does not support video playback" playing mp4 videos in Twitter in Win 8.1 with Flash Player 23.0.0.162 | Firefox Support Forum | Mozilla brukerstøtte Firefox 49 error "This browser does not support video playback" playing mp4 videos in Twitter in Win 8.1 with Flash Player 23.0.0.162 | Firefox Support Forum | Mozilla brukerstøtte](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/images/2016-09-29-13-37-52-ec2966.png)