FastHub Version: 4.6.7
Android Version: 9 (SDK: 28)
Device Information:
Unable to use dark theme with paid version, restart didn't work. Reinstall didn't work.
Under menu setting theme,apply restart. Page says Android dummy content. Close and restart app settings did not take
@milianj screenshot?
Its working by me.

Logout and login again, if that didn't work, reinstall the app
That worked, thank you.
Most helpful comment
That worked, thank you.