I just transitioned from Galaxy S3 to S4 and suddenly I can't use Aldiko or any other book reader. The books I had on my S3 and are now on my PC will not transfer completely to my phone. Adobe blocks importing the books from the phone's Downloads, Ebooks folder, and/or My Files by requiring my Adobe user name and password. When I enter that information correctly (from my Adobe account), a notice shows the device has become "authorized," but the Adobe error message loops back. I've scoured the various forums (Aldiko, Adobe Digital Editions, other android book readers, etc.) and found many people have similar problems with epub books (drm restricted books), but when I follow the suggested solutions -- no luck. Obviously the problem lies with Adobe but the fact that I never had any difficulty with my S3 and could bring these legally PURCHASED books from my PC to my phone before makes me wonder what's changed with the S4 and how to make it work. I would really appreciate some advice/help.