I've got reply from support (Polish branch):
Quote:
At the moment there are maintenance/technical improvements are done in the Dropbox service. In relation to the optimization work the service is temporally not available. As alterative we recommend other methods of copying files: Send-To-Pocketbook, download from web browser, copy via USB cable from computer.
Sorry for temporarily inconvenience.
|
So, no fix so far. I've seen on some forums that this happened for some versions of Safari on OSX. So it's either dropbox problem, or Dropbox is upgrading itself and Pocketbook devices have outdated browser.