syn error( dropbox.com error 400) with ios 5.1.1

[iosios]

hi
I use fcd ver 3.8.4 with old ipad(1th, ios 5.1.1).
when I syn, syn error happens .
it is error message( server error : error domain=dropbox.com code = 400 ..........)

I have ipad pro(ios 12.1) , ipad 3rd(ios 9.0),android 8.0 etc.
they go well.

I hope that I syn old ipad(ios 5.1.1), too.
Do you have plan?

[Ernie]

Hi. You won't be able to use Dropbox on that old version. Dropbox stopped supporting the old code used to communicate with Dropbox. (They changed their API from version 1 to version 2.) This is required me to update Flashcards Deluxe to continue working with Dropbox. This happened after your version 3.8.4. I cannot provide a version that works with iOS 5.1.1 that also has support for the new Dropbox communication method.