For years, whenever I downloaded a pdf on my phone (Motorola droid), it opened in the Adobe pdf reader app. But around a month ago it stopped doing that. Instead it opens the pdf in its own url in Firefox. This is very frustrating as I cant do much of anything with the pdf there (especially search it). I've looked all over my phone for ways to change the settings back to the way they were before but I can't find anything. I've tried searching the support site but the only answers involve the browser on PC, not phone. Do you know how to make it so downloading a pdf automatically opens it in the Adobe app? Thanks.