From the Home screen, swipe up to view your apps.
Swipe to Settings.
Tap Settings.
Tap Display.
Scroll to Screen timeout.
Tap Screen timeout.
Select your preferred screen timeout duration.
Decrease the screen timeout to help extend your phone's battery life.
Tap the Back icon.
Scroll to Brightness.
Select your preferred brightness level.
Lowering the screen's brightness can help to extend your phone's battery life.
You've completed the steps!
