Change the display time out, brightness and orientation.
INSTRUCTIONS & INFO
To adjust the display options, swipe down from the Notficiation bar, then select All settings.
Select System.
Select Display.
To change the phone’s brightness either adjust manually via the Brightness level dropdown menu, or select the Toggle to automatically adjust displaybrightness.
To adjust the screen’s rotation, select the Rotation lock toggle.
To change the screen lock settings, from the settings menu, select Personalization.
Select Lock screen.
Scroll to and select the Screen times out after drop down menu and select the Desired time.