Hi Yes, you may be able to download media files using Firefox for Android. You may need to make use of one of more add-ons for different sites and different file types. You can read more about how to find and install add-ons [https://support.mozilla.org/en-US/kb/find-and-install-add-ons-firefox-android here]. I hope this helps, but if not, please come back here and we can look into a different solution for you.