Where are the key symbols on the screen after the glory 50 version is updated?

In the navigation bar at the bottom of the screen.

1. First turn on the phone, press the screen with two fingers and pull it to the middle. Options will pop up under the phone, click on the gadget.

2. Secondly, enter the widget interface, slide the tool options to the left and find the screen lock button.

3. Finally, click the one-button screen lock icon, and the one-button screen lock function can be set successfully. Click on the blank space of the mobile phone to return to the desktop of the mobile phone, and click on the desktop to lock the screen and lock the screen of the mobile phone.