Cannot select key for restore/import account

[new-on-github]

Expected behavior

following this guide:
https://github.com/kontalk/androidclient/wiki/Export-personal-key-to-another-device
there should be a dialogue to select the zip-file

Actual behavior

instead the dialogue cannot select a file

Environment

Kontalk version:
F-droid 4.4.0 (500)
Android version:
LineageOS 17
Android 10

Device model:
Samsung Note 3 (hlte)

Other

By the way. Thanks for the amazing work.

[Yirre]

Same Here
Umidigi S3 android 9
tried to put file at /storage/emulated/0
but didn't work

[freddii]

workarround:

1. install 4.3.1 from:
   https://f-droid.org/de/packages/org.kontalk/
   ( https://f-droid.org/repo/org.kontalk_440.apk )
2. import zipped key
3. upgrade to latest kontalk version
   ( https://f-droid.org/repo/org.kontalk_500.apk )