Verify Apps; Trusted Credentials; Unknown Sources - Samsung Galaxy S4 User Manual

Note: If a device uses multiple enabled administration
applications, the strictest policy is enforced.
1. From the Home screen, tap
More Security.
2. Tap Device administrators.
3. Select a device administrator and follow the prompts. If
no device administrators are listed, you can download
them from the Play Store.

Unknown sources

This feature allows you to download and install non-Market
applications.
1. From the Home screen, tap
More Security.
2. Tap Unknown sources.
A check mark is displayed to indicate it is active.
Warning! Enabling this option causes your phone and personal
data to be more vulnerable to attack by applications
from unknown sources.
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Verify apps

Settings

Trusted Credentials

Settings
This feature allows you to either block or warn you before
installing apps that may cause harm to your phone.
1. From the Home screen, tap
More Security.
2. Tap Verify apps.
A check mark is displayed to indicate it is active.
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 the Home screen, tap
More Security.
2. Tap Trusted credentials.
The trusted credentials screen has two tabs:
• System: Displays CA certificates that are permanently installed
in the ROM of your device.
• User: Displays any CA certificates that you installed, for
example, in the process of installing a client certificate.
3. Tap a CA certificate to examine its details.
A scrolling screen displays the details.
Settings
Settings