Galaxy A5: What is emergency mode and how to use it?
Use this mode to extend the device’s standby time when you are in an emergency situation.
When this mode is activated, the screen’s brightness decreases and battery consumption is reduced by restricting some features. You can also turn on the flash, sound alarms, and send your location information to others in a message.
How to set the Emergency mode ?
Alternatively, on the Apps screen, tap Settings → Safety Assistance → Emergency mode and then drag the Emergency mode switch to the right.
The Popup for Emergency mode is displayed and Tap Enable.
And battery consumption is reduced by restricting some features.