APKPure Appを使用する
Native File Managerの旧いバージョンをダウンロードすることが可能
ネイティブファイルマネージャ（[設定]> [ストレージ＆USB>探検）
Native File Manager is a lightweight, easy-to-use tool to create Android Marshmallow Built-in File Manager shortcut to your home screen.
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Main features in Android Native File Manager:
Copy, delete, search, share, multi-select files and folders.
Sort files and folders by the name, modified date, and size.