Samsung GALAXY S6 User Manual page 279

Privacy and Safety Setting
App permissions
Private mode
Report diagnostic info
Send SOS messages
Access Privacy and Safety Settings
1. From home, tap Apps
Settings
Description
Control which apps have permission to access and modify information
on your device.
Private mode allows you to hide and protect content you want to keep
private. You must configure a security lock to use Private mode.
You can choose to enable reporting of diagnostic info when your phone
experiences technical problems.
Enable SOS messages to quickly send an alert to your emergency
contacts by pressing the Power key three times.
> Settings .
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