I like to move my AnkiDroid storage to the SD-Card, because my Anki-Decks get huge, in terms of filesize, and my internal storage is full.
Anyways (seemingly because they did not like to took the effor with permissions on all Android versions), external-storage for AnkiDroid is officially not supported. But one can edit the file path and put "/a/random/path" into a text field to be used by the app.
So permissions still seem to be a problem to do so.
There is a workarround, which allows to save files and read files into a specific folder on the SD-Card. The workarround is built by naming a folder, equal to the package name of the AnkiDroid app.
This worked for some users, but not for me.
How can I solve my storage issues, when using AnkiDroid?
My question seems to be highly related to this one.