From the Home screen, drag down the Notification panel.
Tap the Settings icon.
Tap General.
Tap Battery.
Tap Battery usage.
From this screen, you can view details about how your battery power is being used.
Tap the Back icon.
Select an app to view more information.
Tap the Back icon.
Tap Battery saver.
Tap MAXIMUM.
Tap TURN ON.
You've completed the steps!
