How does Android phone enter the file manager in the SMS interface?

Here is how to access the file manager of Android phone.

Equipment: glory v 10

System: Android 10

1. First, turn on the phone and click "Settings".

2. Then click "Security" on the opened settings page.

3. Then, in the security page that opens, click More Security.

4. Then click Device Manager.

5. Finally, in the page that opens, you can see file management.