Let your screen turn off sooner To reduce battery drain when you're not using your screen, set a shorter time before your screen turns off.
Open your phone's Settings app. Tap Display and then Advanced and then Sleep. Pick a time. We recommend 30 seconds. Reduce screen brightness To save battery, lower your screen’s brightness.
Swipe down with two fingers from the top of your screen. At the top of the screen, move the slider left. Have screen brightness change automatically To save battery, have your screen’s brightness change with the light around you.
Open your device's Settings app. Tap Display and then Adaptive brightness. Turn on Adaptive brightness.
