Use APKPure App
Get HandleExternalStorage old version APK for Android
Umożliwia odczyt i zapis do pamięci zewnętrznej dla wszystkich aplikacji
Enables read and write access to the external storage for all apps.
IMPORTANT
This app has no user interface. Enable it in Xposed - reboot - done.
IMPORTANT
Your device has to be rooted to install the required X-posed framework: http://tinyurl.com/cd46qco