Fix slowness, crashing, error messages and other problems
- Fix problems with websites (Facebook, YouTube, webmail etc.)
- Firefox crashes Crashing
- I can't play videos or audio on Firefox for Android 5.0 (Lollipop) If you're using Firefox on your Nexus 6 or Nexus 9, you might experience temporary issues with video and audio files. We'll show you how to resolve them.
- Firefox Sync troubleshooting and tips If you've run into a problem getting Firefox Sync to work correctly, this article will walk you though the most common solutions.