Unknown Sources; Security Update Service; Encrypt Device; Device Administration - Samsung Galaxy J3 User Manual

Unknown Sources

Enable installation of non-Google Play applications.
1. From a Home screen, tap
Settings.
2. Tap Lock screen and security >
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.

Encrypt Device

Require a numeric PIN or password to decrypt your
device each time you power it on.
1. From a Home screen, tap
Settings.
2. Tap Lock screen and security > Encrypt device
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 first access it after
powering on your device.
1. From a Home screen, tap
Settings.
2. Tap Lock screen and security >
Encrypt SD card.
3. Tap Encrypt SD card and follow the prompts to
encrypt all data on your memory card.

Other Security Settings

View Passwords
Display password characters briefly as you type
them.
1. From a Home screen, tap
Settings.
2. Tap Lock screen and security > Other security
settings > Make passwords visible to turn the
feature on.
Settings
Apps >
Apps >
Apps >
Apps >
88

Security Update Service

Automatically receive security updates.
1. From a Home screen, tap
Settings.
2. Tap Lock screen and security > 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
Settings.
2. Tap Lock screen and security > Other security
settings > Device administrators.
Tap Android Device Manager to allow it to
•
lock or erase a lost device.

Credential Storage

Manage your security certificates. If a certificate
authority (CA) certificate gets compromised or
for some other reason you do not trust it, you can
disable or remove it.
1. From a Home screen, tap
Settings.
2. Tap Lock screen and security > Other security
settings for the following Credential storage
options:
Storage type: Select a storage location for
•
credential contents.
View security certificates: Display certificates
•
in your device's ROM and other certificates
you have installed.
Apps >
Apps >
Apps >
Lock Screen and Security