Samsung A5100 (2016) emergency mode how to use?

Note: Save battery power by using minimal home screen layout and limiting the number of applications that can be used. Emergency mode to open and use the following methods:

1 under the standby page, press and hold the "power" key for 2-3 seconds.
2 Click "Emergency Mode".
3 after reading "Terms and conditions", check all the marquee boxes.
4 Click "Agree".
5 after reading the description of the "Emergency mode" feature, click "Start".
6 has entered the emergency mode interface. In this mode, you can use flashlight, emergency alarm, share my location, telephone, Internet, in addition, you can add an application, click the "+" icon.
7 Select the application you want to use, such as "micro-mail."
8 micro-letters have been added. You can also remove the added application and click on the "more" icon.
9 Click Remove.
10 The application icon takes "-" to indicate that it can be removed, as an example of "micro-letter".
11 Click OK.
12 application has been removed. Click "More".
13 Click Manage Emergency Contacts.
14 Click Edit.
15 Click Add Member.
16 Select your favorite contacts, such as "Samsung".
17 Click "Finish".
18 Click "Save".
19 Emergency contact has been added. Click the "Back" button to return to the Emergency Mode home page.
20 Click "Share My Location".
21 can send the position information to the urgent contact by the message form. Click the "Back" key to return to the Emergency mode main page.
22 Click "More".
23 Click "Settings".
24 You can enter the Setup interface. Click "Back" to return to Super Power mode main interface.
25 If you need to exit the emergency mode, please click on "Disable emergency mode" in more