Samsung Galaxy S5: How to Enable Emergency Mode in Android 5.0.1 Lollipop

Emergency mode is a feature you can find in your Samsung Galaxy S5 that can be used to extend your phone's standby time as long as possible when you're in an emergency situation. When this mode is enabled, it will save battery by decreasing the screen brightness, changing the colour of your phone's screen to greyscale theme, restricting some other apps and functions, turning off mobile data when