From the Settings app, scroll to and 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.
Press the Back button.
Press the Back button again.
Tap Battery saver.
Tap or slide the Use Battery saver switch to ON.
Power saving mode saves battery power by limiting access to certain apps, including the flashlight.
You've completed the steps!
