Samsung Galaxy S8 User Manual

							Learn About Your Device44
Face Recognition
Use face recognition as an alternative to entering 
passwords in certain apps.
You can set the device to use Face Recognition to 
unlock the screen by recognizing your face.
• Face recognition is less secure than Pattern, PIN 
or Password. Your device could be unlocked by 
someone or something that looks like your image.
• Some conditions may affect face recognition, 
including wearing glasses, hats, beards, or heavy 
make-up.
• When registering your face, ensure that you are in a 
well-lit area and the camera lens is clean. 
Register a Face
To use your face to unlock your device, you must set a 
pattern, PIN, or password. For more information, see 
“Set a Screen Lock” on page 221.
1. From home, swipe up to access Apps .
2. Tap  Settings > Lock screen and security > 
Face recognition .
3. Follow the prompts to register your face.
Face Recognition
Face verification can be applied to several features of 
your device.
1. From home, swipe up to access Apps .
2. Tap  Settings > Lock screen and security > 
Face recognition for the following options:
• Remove face data : Delete existing faces.
• Face unlock: Tap On/Off  to enable or disable 
face recognition security.
• Face unlock when screen turns on : Unlock 
your phone with face recognition as soon as the 
screen turns on. 
						

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Fingerprint Scanner
Use fingerprint recognition as an alternative to 
entering passwords in certain apps. 
You can also use your fingerprint to verify your identity 
when logging in to your Samsung account.
Note: Fingerprint recognition uses the unique 
characteristics of each fingerprint to enhance the 
security of your device. The likelihood of the fingerprint 
sensor confusing even small areas of two different 
fingerprints is very low. But in rare cases, the sensor 
may recognize a fingerprint that is similar to a 
registered fingerprint .
Register a Fingerprint
To use your fingerprint to unlock your device, you must 
set a pattern, PIN, or password. You can register up to 
three fingerprints. 
1. From home, swipe up to access Apps .
2. Tap  Settings > Lock screen and security > 
Fingerprint scanner .
3. Follow the prompts to register your fingerprint.
Fingerprint Verification
Fingerprint verification can be applied to several 
features of your device.
1. From home, swipe up to access Apps .
2. Tap  Settings > Lock screen and security > 
Fingerprint scanner  for the following options:
• To rename a fingerprint, tap the fingerprint, 
enter a new name, and then tap  Rename. 
						

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• To add a fingerprint, tap  Add fingerprint and 
follow the prompts to register a fingerprint and 
password. 
• To delete a fingerprint, touch and hold the 
fingerprint, and then tap  Remove. Confirm when 
prompted.
• Samsung Pass : Access your online accounts 
using your fingerprint.
• Samsung account : Verify your identity using 
your fingerprint when logging in to your 
Samsung account.
• Samsung Pay : Use your fingerprints to make 
payments quickly and securely.
• Fingerprint unlock : Tap On/Off  to enable or 
disable fingerprint security.
Iris Scanner
Use iris recognition as an alternative to entering 
passwords in certain apps. You can also use your irises 
to verify your identity when logging in to your Samsung 
account.
Warning : Some people may have dizziness, seizures, 
epileptic seizures or blackouts triggered by light 
flashes or patterns, even if they have never had a 
seizure or blackout before. Anyone who has had a 
seizure, loss of awareness, or other symptom linked to 
an epileptic condition, or has a family history of such 
symptoms or conditions, should see a doctor before 
using the Iris scanner.
DO NOT stare directly into the infrared iris recognition 
LED as prolonged use can cause eye strain. Do not 
stare at the iris recognition LED light when your eyes 
are less than 20 cm (~8 inches) away from the device, 
for best results keep your eyes between 25‑35 cm 
(~10 14 inches) away for optimum recognition. 
						

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Note: The Iris scanner is not intended to be used as a 
medical device and the biometric data collected and 
stored locally by the mechanism is not intended to be 
used for any diagnostic, therapeutic, or preventative 
purposes. Please follow all instructions for use of this 
feature.
For best results, remove eyeglasses and sunglasses. 
Do not use the Iris scanner in bright sunlight or areas 
with excessive reflected light (for example, by the pool 
or seashore). Do not use the Iris scanner in low light. 
Look straight at the device (not up, down or sideways), 
and hold your head still for the scan. Tinted contact 
lenses and surgically repaired or replaced iris lenses 
may interfere with operation of the Iris scanner. Do not 
walk or operate a vehicle while using the Iris scanner. 
For more information, refer to the online support 
content or visit  samsung.com/us/irisscanner .Register Irises
To use your eyes to unlock your device, you must set 
a pattern, PIN, or password. For best results, perform 
the setup process indoors, and remove your glasses or 
contact lenses.
Note: To register just one of your eyes, tap the link on 
the setup screen to register one iris.
To register your irises:
1. From home, swipe up to access Apps .
2. Tap  Settings > Lock screen and security > 
Iris scanner .
3. Follow the prompts to register your irises. 
						

							Learn About Your Device48
Iris Verification
Iris verification can be applied to several features of 
your device.
1. From home, swipe up to access Apps.
2. Tap  Settings > Lock screen and security > 
Iris scanner  for the following options:
• Remove iris data : Delete existing irises.
• Preview screen mask : Choose a mask to display 
when using the iris scanner. 
• Samsung Pass : Use your irises to verify your 
identity using Internet and other supported 
apps.
• Samsung account : Enable to use your irises to 
verify your Samsung account when you access a 
feature or app that requires it.
• Samsung Pay : Use your fingerprints to make 
payments quickly and securely.
• Iris unlock : Enable to unlock the device using 
your irises.
• Iris unlock when screen turns on : Unlock your 
phone with your irises as soon as the screen 
turns on.
• Tips for using iris recognition : View a tutorial on 
how to use the iris scanner. 
						

							Learn About Your Device49
Multi Window
Multitask by using multiple applications at the 
same time.
Window Controls
Tap  Window controls in the middle of the 
window border for options.
Snap window: Snap the selected window to 
the half of the screen it occupies.
Switch windows: Switch locations between 
Multi window apps.
Open in pop-up view: Open the selected app 
in a pop-up window.
Close app: Close the selected app. 
						

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Enable Multi Window
1. From home, swipe up to access Apps.
2. Tap  Settings >  Advanced features > 
Multi window .
• To use the Recent apps key to open apps in a 
split screen view, tap  Use Recents button.
• To view an app in pop-up view, tap 
Pop-up view action. 
Use Multi Window
Apps that support Multi window display together 
on a split screen. You can switch between the apps, 
adjust the size of their display on the screen, and copy 
information from one app to the other. Multi window is 
not available for all apps.
1. From any screen, touch and hold  Recent apps.
2. Tap two apps that support Multi window to open 
them in split screen view.
– or –
If you are currently using an app that supports 
Multi window, tap another app to add it in split 
screen view.
You can also launch recently used apps directly into 
Multi window view. Only applications that support 
Multi window have the Multi window icon.
1. Tap  Recent apps . 
• Recently used apps that support Multi window 
have a 
 Multi window  icon in their title bar. 
2. Tap  Multi window in the title bar to launch an 
application in split screen view.
• Other recently used apps that support 
Multi window display below the launched app. 
3. Tap an app icon to add it to the split screen view. 
						

							Learn About Your Device51
Emergency Mode 
Emergency mode conserves your device’s remaining 
power when you are in an emergency situation.
Emergency mode saves battery power by:
• Restricting application usage to only essential 
applications and those you select.
• Turning off Mobile data when the screen is off.
• Turning off connectivity features such as Wi-Fi and 
Bluetooth.
Activate Emergency Mode
To activate Emergency mode:
1. Press and hold the Power key to display the 
Device options window.
2. Tap  Emergency mode .
• When accessing for the first time, read the 
Terms and conditions. If you accept them, tap 
the 
 Checkbox, and then tap  Agree.
3. Tap Turn on .
Turn Off Emergency Mode
After Emergency mode is turned off, the Location 
settings may stay the same as they were in Emergency 
mode.
 ►From the Emergency mode Home screen, tap 
 More options > Turn off Emergency mode . 
						

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Use Emergency Mode Features
While in Emergency mode, your device conserves 
power. The following apps and features are available 
on the Home screen:
• Flashlight: Use the device’s flash as a steady source 
of light.
• Emergency alarm : Sound an audible siren.
• Share my location : Send your location information 
to your emergency contacts.
• Phone : Launch the call screen.
• Internet : Launch the Web browser.
•  Add: Add other available apps.
 -Email : Launch the Email app.
 -Facebook : Launch Facebook™.
 -Maps: Launch Google Maps™.
•  Battery charge: Display estimated battery charge 
remaining.
• Estimated usage time remaining : Display 
estimated standby time that can be reached based 
on current battery charge and usage.
• Emergency call : Dial the emergency telephone 
number (for example, 911). This kind of call can be 
made even without activated cellular service.
•  More options:
 -Turn off Emergency mode : Disable Emergency 
mode and return to standard mode.
 -Remove : Choose apps to remove from the 
screen.
 -Manage emergency contacts : Manage your 
medical profile and ICE (In Case of Emergency) 
group contacts.
 -Settings : Configure the available settings. 
Only a limited number of settings are enabled in 
Emergency mode. 
						

							Learn About Your Device53
Edge Screen
The Edge screen provides a variety of useful tools for 
notifications, information feeds, and timekeeping.
Edge Panels
Edge panels can be used to access apps, tasks, and 
contacts, as well as view news, sports, and other 
information on the Edge screen.
To view Edge panels:
 ►When the screen is turned on, swipe the Edge panel 
handle from the edge of the screen to the center. 
Keep swiping to view other panels.
To configure Edge panels:
1. From any screen, open the Edge screen, and then 
tap 
 Edge panel settings .
2. Tap On/Off  to enable the feature. The following 
options are available:
•  Checkbox: Enable or disable each panel.
• Edit  (if available): Configure individual panels 
by tapping.
• Download : Search for and download more Edge 
panels from Galaxy Apps.
•  More options >  Reorder : Change the order of 
the panels by dragging them to the left or right.
•  More options >  Uninstall : Remove an 
Edge panel from your device.
•  More options >  Handle settings : Drag 
 Edge panel handle to change the position 
of the Edge panel handle along the edge of the 
screen, and then configure the following Edge 
panel handle settings:
 -Position : Choose either Right o r Left to set 
which side the Edge screen appears on.