I had the same problem as everyone else. I contacted Dropbox and heres what they said.
"We've contacted the Blackberry Connect app owner (Research in Motion) and helped to resolve the issue. As you noticed, the app should now be working again."
previous thread (not sure why?):
"Thanks for contacting Dropbox Support about your Blackberry device.
Unfortunately, we no longer actively support Dropbox for Blackberry. However, here are a few resources for addressing some of the most common issues:
Installing Dropbox:
- To install Dropbox for Blackberry, please visit: dropbox .com/mobile.
- To see a list of Dropbox for Blackberry versions, see: dropbox.com/blackberry/download
- If you're unable to install the Dropbox app on your device, we offer a mobile web version of Dropbox as an alternative: dropbox.com/m/"
01-13-15 11:40 AM