From the Settings app, scroll to and tap Smart Manager.
Tap Battery.
Tap Power consumption details.
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 More battery settings.
Tap Battery manager.
Tap or slide the Use battery manager switch to ON.
Battery manager will monitor and detect when apps are draining battery. You will be notified of apps with high battery usage and given the option to restrict them.
You've completed the steps!
