From the Home screen, drag down the Notification panel.
Tap the Settings icon.
Scroll to Device care.
Tap Device care.
Tap Battery.
Tap Battery Usage.
From this screen, you can view details about how your battery power is being used.
Select an app to view more information.
Tap the Back icon.
Tap the Back icon again.
Tap the Menu icon.
Tap Settings.
Tap Optimize settings.
Tap or slide the Optimize settings switch to ON.
Power saving mode saves battery power by limiting access to certain apps, including the flashlight.
You've completed the steps!
