Samsung Express 3 Manual

							     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
   
   
 
 
 
 
Lock Screen and Security
 
Secure your device and protect 
your data with Lock Screen and 
Security settings. 
Set a Screen Lock 
It is recommended that you secure your device 
using a Screen lock. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and sec

urity > Screen lock 
type to select a screen lock and level of security: 
• Swipe: Swipe the screen to unlock it. This 
option provides no security. 
• Pattern : Create a pattern that you draw on 
the screen to unlock your device. This option 
provides medium security. 
• PIN : Select a PIN to use for unlocking the 
screen. This option provides medium to high 
security. 
• Password: Create a password for unlocking 
the screen. This option provides high security. 
• None: Never use a Lock screen. 
3.	  Select your noti�cation preferences, if you 
choose a secured lock screen option: 
• Show content 
• Hide content 
• Do not show noti�cations 
4.  Choose a screen lock option: 
• Info and app shortcuts: Display a dual clock, 
or information such as the weather, on the 
Lock screen. 
• Noti�cations on lock screen: Show 

noti�cations on the Lock screen.
 
• Secure lock settings: Set your secure 
lock functions such as Secured lock time, 
and Smart lock. This option is not available 
with Swipe. 
Note : Options vary based on the screen lock type. 
Find My Mobile 
Protect your device from loss or theft allowing your 
device to be locked, tracked, and for your data to be 
deleted remotely. 
►	 To access your device remotely, visit 
�ndmymobile.samsung.com . 
Note : You must sign up for a Samsung account and 
enable Google location service to use Find My Mobile. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and sec

urity > 
Find My Mobile. 
3.	  Enter your Samsung account password or, if 
you are not logged in to your Samsung account, 
tap Add account and follow the prompts. The 
following options are available: 
• Remote controls: Allows you to access your 
device remotely. 
• Google location service: Activate or 

deactivate Google location service. This 

service must be on in order to �nd your 

device.
 
• SIM change alert: Prevent unauthorized 
changes to your SIM card by being alerted 
whenever an app or service attempts to 
change data on your SIM card. 
Settings	  85 
Lock Screen and Security   
						

							     
   
   
   
 
   
   
     
 
   
   
   
   
 
 
 
   
   
   
Unknown Sources 
Enable installation of non- Google Play applications. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and secur

ity > 
Unknown sources to enable this option. 
Warning: Enabling installation of third-party 
applications can cause your device and personal data 
to be more vulnerable to attacks by unknown sources. 
Protect Encrypted Data 
Require a numeric PIN or password to decrypt your 
device each time you power it on. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and secur

ity > Protect 
encrypted data and follow the prompts to 
encrypt all data on your device. 
Encrypt SD Card 
Require a numeric PIN or password to decrypt your 
SD card (not included) when you �rst access it after 
powering on your device. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and secur

ity > Encrypt SD 
card. 
3.	  Tap Encrypt SD card and follow the prompts to 
encrypt all data on your memory card. 
Other Security Settings 
Set Up/Change Password 
Protect your device from being reset accidentally by 
requiring a special password before it can be reset 
to its factory defaults. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and secur

ity > Other security 
settings. 
3.	  Tap Set up/change password and follow the 
prompts. 
SIM Card Lock 
Require both your SIM card PIN and your ordinary 
screen lock type when unlocking the device. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and secur

ity > Other security 
settings > Set up SIM card lock and follow the 
prompts. 
3.  Tap Lock SIM card to enable the feature. 
4.  Tap Change SIM card PIN to create a new PIN. 
View Passwords 
Display password characters brie�y as you type 
them. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and secur

ity > Other security 
settings > Make passwords visible to turn the 
feature on. 
Settings	  86 
Lock Screen and Security   
						

							     
 
 
 
      
 
 
      
 
 
 
 
 
 
Security Update Service 
Automatically receive security updates. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and sec

urity > Other security 
settings for the following Security update 
service options: 
• Security policy updates: Automatically or 
manually check for security policy updates. 
-  Automatic updates can also be limited to 
only when your device is connected to a 
Wi-Fi network. 
• Send security reports: Use Wi-Fi to send 
security reports to Samsung for threat 
analysis. 
Device Administration 
Manage your device administrators and application 
installation privileges. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and sec

urity > Other security 
settings > Device administrators. 
• Tap Android Device Manager to allow it to 
lock or erase a lost device. 
Credential Storage 
Manage your security certi�cates. If a certi�cate 
authority (CA) certi�cate gets compromised or 
for some other reason you do not trust it, you can 
disable or remove it. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Lock screen and sec

urity > Other security 
settings for the following Credential storage 
options: 
• Storage type: Select a storage location for 
credential contents. 
• View security certi�cates: Display certi�cates 
in your device’s ROM and other certi�cates 
you have installed. 
• User certi�cates: View user certi�cates. 
• Install from device storage: Install a new 
certi�cate from storage. 
• Clear credentials: Erase the credential 

contents from the device and reset the 

password.
 
Settings	  87 
Lock Screen and Security   
						

							     
 
 
 
 
 
 
Advanced Security Settings 
Use these options to con�gure advanced security 
settings. 
1.  From a Home screen, tap  Apps > Settings 
> Per sonal

. 
2.	  Tap Loc

k screen and security > Other security 
settings for the following advanced options: 
• Trust agents: Perform selected actions when 
trusted devices are connected. 
-  To view Trust agents, set up a secured 
screen lock (Password, PIN, or Pattern) . 
For more information, see Set a Screen 
Lock . 
• Pin windows: Pin an app on your device 
screen, preventing access to other features of 
your device. 
• Usage data access: View the applications that 
can access your device’s usage history. 
• Noti�cation access: View the applications 
that can access noti�cations you receive on 
your device. 
• Do not disturb permission: View which apps 
have permission to change the Do not disturb 
settings. 
Settings	  88 
Lock Screen and Security   
						

							     
   
 
 
 
 
 
 
 
      
   
 
   
   
   
 
Privacy and Safety
 
Choose from various modes 
designed to hide personal 
content from being accessed by 
anyone else using your device, 
or to aid you in an emergency. 
Location 
Some apps, such as Google Maps, may require 
one or more location services be turned on for full 
functionality. 
Locating Method 
Before using any features that require location 
assistance, you must enable your device’s location 
services. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.  Tap Privac

y and safety > Location. 
3.  Tap On/O� to turn on Location services. 
4.	  Tap Locating method to select how your 
location is determined: 
• GPS, Wi-Fi, and mobile networks: Use GPS, 
Wi-Fi, and mobile networks. 
• Wi-Fi and mobile networks: Use Wi-Fi and 
mobile networks (no GPS) . 
• GPS only: Use GPS only.  5.	 
Tap Improve accuracy to use other connections 
for determining your location: 
• Wi-Fi scanning: Allow apps and services to 
scan for Wi-Fi networks automatically, even 
when Wi-Fi is turned o�. 
• Bluetooth scanning: Allow apps to scan for 
and connect to nearby devices automatically 
through Bluetooth, even when Bluetooth is 
turned o�. 
Recent Location Requests 
Apps that have requested your location are listed 
under Recent location requests. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.  Tap Privac

y and safety > Location. 
3.  Tap On/O� to turn on Location services. 
4.	  Tap an entry under Recent location requests to 
view the app’s settings. 
Location Services 
Google uses Location History to store and use your 
device’s most recent location data. Google apps, 
such as Google Maps, can use this data to improve 
your search results based on places that you have 
visited. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.  Tap Privac

y and safety > Location. 
3.  Tap On/O� to turn on Location services. 
4.	  Tap Google location history and sign in to your 
Google Account for more options. 
Settings	  89 
Privacy and Safety 
 
 
   
						

							     
   
 
 
 
 
 
 
 
 
 
 
 
   
   
      
 
   
   
 
 
 
 
App Permissions 
Control which apps have permissions to use certain 
features of your device. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.  Tap Privacy and s

afety > App permissions. 
3.	  Tap the following features to see which apps 
have permission to access them: 
• Body sensors 
• Calendar 
• Camera 
• Contacts 
• Location 
• Microphone 
• Phone 
• SMS 
• Storage 
• Additional permissions 
4.	  Tap On/O� next to each app to enable or 
disable permissions for that feature. 
Report Diagnostic Info 
This feature sends diagnostic information about your 
device when you are having technical problems. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Privacy and s

afety > Report diagnostic 
info. 
3.	  Read the consent information, and then tap Ye s 
to enable this feature or tap No thanks. 
Send SOS Messages 
Send a quick alert to your primary contacts when 
you are in an emergency situation. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.  Tap Privacy and s

afety > Send SOS messages. 
3.	  Tap On/O� to turn the feature on and con�gure 
the following options: 
• Send messages to: Add recipients by 

creating new contacts or selecting from 

Contacts.
 
• Attach pictures: Send pictures to your 

emergency contacts.
 
• Attach audio recording: Send a short audio 
message to your emergency contacts. 
To send an SOS message: 
►  Press the Power  key quickly three times. 
Settings	  90 
Privacy and Safety   
						

							     
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
Accessibility
 
Accessibility services are special 
features that make using the 
device easier for those with 
certain physical disabilities. 
Note
: You can download additional accessibility 
applications from the Google Play store. 
1.  From a Home screen, tap  Apps > Settings 
> Per sonal

. 
2.  Tap Ac

cessibility for options: 
Vision 
• Dark screen: Keep the screen turned o� at all 
times for privacy. 
• Rapid key input: Release your �nger to enter 
selection instead of double tapping. 
• Speak passwords: Read the characters aloud 
as you enter your passwords. 
• Text-to-speech: Set your preferred TTS 
engine and options. For more information, see 
Text-to-Speech Options . 
• Accessibility shortcut: Quickly enable 
accessibility features in two quick steps. 
• Font size: Set the font size. 
• High contrast fonts: Adjust the color and 
outline of fonts to increase the contrast with 
the background. 
• High contrast keyboard: Adjust the size of 
the Samsung keyboard and change its colors 
to increase the contrast between the keys and 
the background. 
• Show button shapes: Show buttons with 
shaded backgrounds to make them stand out. 
• Magni�cation gestures: Use exaggerated 
gestures such as triple-tapping, double 
pinching, and dragging two �ngers across 
the screen. 
• Grayscale: Change all colors to gray. 
• Negative colors: Reverse the display of colors 
from white text on a black background to black 
text on a white background. 
• Color adjustment: Adjust the color of 
the screen if you are color blind or have 
di�culty reading the display because of the 
screen color. 
Hearing 
• Flash noti�cation: Set your camera light to 
blink whenever you receive a noti�cation. 
• Turn o� all sounds: Turn o� all noti�cations 
and audio for privacy. 
• Hearing aids: Improve the sound quality for 
use with hearing aids. 
• Samsung subtitles (CC): Use Samsung 
subtitles with multimedia �les when available. 
• Google subtitles (CC): Use Google subtitles 
with multimedia �les when available. 
• Left/right sound balance: Use the slider to 
set the left and right balance when using a 
stereo device. 
• Mono audio: Switch audio from stereo to 
mono for use with one earphone. 
Dexterity and interaction 
• Press and hold delay: Select a time interval 
for this action. 
• Interaction control: Block areas of the 
screen from touch interaction. Disable auto 
screen rotation and hard key functions. 
Only show application noti�cations in the 
Noti�cation panel and the Status bar. 
Settings  91 
Accessibility   
						

							 
 
 
 
 
 
More settings 
• Direct access: Open your accessibility 
settings by pressing the Home key quickly 
three times in succession. 
• Noti�cation reminder: Beep at set intervals to 
remind you of any unread noti�cations. 
• Answering and ending calls: Select shortcuts 
for answering and ending calls. 
• Single tap mode: Tap to stop/snooze alarms 
and calendar events. 
Services 
Additional accessibility apps may be downloaded 
from the Google Play store. Certain accessibility 
services you install may be con�gured here. 
• TalkBack: When TalkBack is on, your device 
provides spoken feedback to help blind and 
low-vision users. 
• Switch Access : Switch Access allows you to 
control your device using con�gurable key 
combinations. You can move focus to clickable 
items and select them. 
Settings  92 
Accessibility   
						

							     
    
 
 
   
   
   
     
 
   
   
 
   
   
     
Accounts
 
Set up and manage accounts, 
including your Google Account, 
Samsung account, email, and 
social networking accounts. 
Depending on the account, you 
can choose to synchronize your 
calendar, contacts, and other 
types of content. 
Add an Account 
You can add and manage all your email, social 
networking, and picture and video sharing accounts. 
1. From a Home screen, tap  Apps > Settings 
> Personal . 
2. Tap Acc

ounts >  Add account. 
3. Tap one of the acc

ount types. 
4.	  Follow the prompts to enter your credentials and 
set up the account. 
Synchronize Accounts 
You can synchronize your calendar, contacts, and 
other types of accounts. 
1. From a Home screen, tap  Apps > Settings 
> Personal . 
2. Tap Acc

ounts > [Account type]. 
3.	  Tap an account to view the sync settings for that 
account. 
4.  Tap individual data items to sync. 
5.	  Tap More > Sync all or Sync now to synchronize 
the account. 
Note : Sync options and the location of the sync 
command di�er depending on the account type. 
Account Settings 
Each account has its own set of settings. In addition, 
you can con�gure common settings for all accounts 
of the same type. 
Note : Account settings and available features vary 
between account types and service providers. Contact 
your service provider for more information on your 
account’s settings. 
1.  From a Home screen, tap  Apps > Settings 
> Personal . 
2. Tap Acc

ounts > [Account type]. 
3.	  Tap an account to con�gure that account’s sync 
settings. 
4.  Tap other available options for the account type. 
Remove an Account 
You can remove accounts from your device. 
1. From a Home screen, tap  Apps > Settings 
> Personal . 
2. Tap Acc

ounts > [Account type]. 
3.	  Tap the account and then tap More > 
Remove account. 
Settings	  93 
Accounts   
						

							     
 
 
 
 
      
   
      
   
   
Backup and Reset
 
Back up your data to Google 
servers. You can also reset your 
device to its factory defaults. 
Backup and Restore 
Enable backup of your information to Google 
servers. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.  Tap Backup and re

set for options: 
• Back up my data: Enable back up of 
application data, Wi-Fi passwords, and other 
settings to Google servers. 
• Backup account: Select a Google Account to 
be used as your backup account. 
• Automatic restore: Enable automatic 
restoration of settings from Google servers. 
When enabled, backed-up settings are 
restored when you reinstall an application. 
Reset 
Restore your device to its default settings. 
Reset Settings 
You can reset your device to its factory default 
settings, which resets everything except the security, 
language, and account settings. Personal data is not 
a�ected. 
1.  From a Home screen, tap  Apps > Settings 
> Personal. 
2.  Tap Backup and re

set > Reset settings. 
3.  Tap Reset settings, and con�rm when prompted. 
Reset Network Settings 
You can reset Wi-Fi, Mobile data, and Bluetooth 
settings with Reset network settings. 
1. From a Home screen, tap  Apps > Settings 
> Personal. 
2.	  Tap Backup and re

set > Reset network 
settings. 
3.  Tap Reset settings, and con�rm when prompted. 
Factory Data Reset 
You can reset your device to factory defaults, 
erasing all data from your device. 
This action permanently erases ALL data from 
the device, including Google or other account 
settings, system and application data and settings, 
downloaded applications, as well as your music, 
photos, videos, and other �les. Any data stored on 
an external SD card is not a�ected. 
Note : When you sign in to a Google Account on your 
device, Factory Reset Protection is activated. This 
protects your device in the event it is lost or stolen. 
For more information, see Factory Reset Protection. 
If you reset your device to factory default settings 
with the Factory Reset Protection (FRP) feature 
turned on, you must enter the user name and 
password for a registered Google Account to regain 
access to the device. You will not be able to access 
the device without the correct credentials. 
Warning: If you reset your Google Account password, 
you must wait 72 hours after changing your password 
to perform a factory data reset on your device. 
Before resetting your device: 
1.	  Verify that the information you want to keep has 
transferred to your storage area. 
2.	  Log in to your Google Account and con�rm your 
user name and password. 
Settings	  94 
Backup and Reset