Feature: Power Saving
Power saving mode saves power during an emergency by using a minimal home screen layout and limiting the number of apps you can use.
Activate Power Saving Mode
1 From the Home screen, tap Apps 
>
Settings 
> Device maintenance > Battery.
2 Tap a power saving mode, and then tap APPLY.
Note: Results may vary. Battery power consumption depends on factors such as network configuration, signal strength, operating temperature, features selected, vibrate mode, backlight settings, browser use, frequency of calls and voice, data and other applications usage patterns.
