firefox tries to open files after download, using different applications, sometimes wrong. For example, Firefox tries to open *.apk and *.zip files through ezPDF Reader. How to disable this option?
(Firefox fo android)
Have a look at this article ...
Change what Firefox does when you click on or download a file
... and let us know if it helped.
I use firefox for android, so there are very few settings and i can't use that article =(.