Unknown Sources - Samsung SPH-M830 Online User's Manual

Automatically locking the device.
Restoring factory settings.
Note:
If a device uses multiple enabled administration
applications, the strictest policy is enforced.
1. Press and tap
Device administrators
2.
Select a device administrator and follow the
prompts. If no device administrators are listed,
download one or more from the Play Store.

Unknown Sources

This feature allows you to download and install
non-Market applications.
Press and tap
Unknown sources
WARNING:
Enabling this option makes your phone and
personal data more vulnerable to attack by
applications from unknown sources.
54 2C. Settings
> Settings > Security >
.
> Settings > Security >
.
Credential Storage
If a certificate authority (CA) certificate gets
compromised or for some other reason becomes
unstable, you can disable or remove it.
1. Press and tap
Trusted credentials
Two tabs display:
: Displays CA certificates that are
System
permanently installed in the ROM of your device.
: Displays any CA certificates that were
User
installed, for example, in the process of installing
a client certificate.
2.
Tap a CA certificate to examine its details.
3.
Scroll to the bottom of the details screen and tap
to disable a System certificate or Remove
Disable
to remove a User certificate.
Caution!:
When you disable a system CA certificate, the
Disable button changes to Enable, so you can
enable the certificate again, if necessary. When
you remove a user-installed CA certificate, it is
permanently deleted and must be re-installed, if
needed.
Trusted Credentials
> Settings > Security >
.