Samsung Galaxy S5: How to Enable Send Help Messages Feature in Android 5.0.1 Lollipop

Send help messages is a feature available in Samsung Galaxy S5 that will let you send emergency messages to your primary contacts by pressing the Power key quickly three times. The emergency messages contain with your current location information, audio recordings and pictures of your surroundings. As a note, to make this feature works, you have to register at least one primary contact so that