Android Data folder restrictions on Android 11

[mbc07]

There's two workarounds at the moment: connect the phone to a computer via USB and use it to transfer the files, or use the built-in system file manager (it's the only app which retains full access to the Android folder on Android 11 and newer). You can launch it via the shortcut available in the Dolphin app (Settings => Config => User Data => Open System File Manager)...