Xiaomi 1 1pro plays games to lock the status bar.

Find the system tool, find the settings in the system tool, click Settings, enter the settings interface, find the notification and status bar, enter the notification and status bar page, slide to the bottom, and when there is a lock screen, you can drop it down and close it. Before setting the lock screen, the notification and status bar can be pulled down, but after setting the lock screen, the notification and status bar cannot be pulled down.

This is a system property, mainly depending on how to set the full-screen status. Full screen has nothing to do with the drop-down status bar.