Samsung SPH-D710AAABST - Manual (Page 68)

54 2C. Settings
Unknown Sources
This feature allows you to download and install
non-Market applications.
ᮣ Press and tap > Settings > Security >
Unknown sources .
Credential Storage

Trusted Credentials
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 > Settings > Security >
Trusted credentials .
Two tabs display:
Ⅲ System : Displays CA certificates that are
permanently installed in the ROM of your device.
Ⅲ User : Displays any CA certificates that were
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
Disable to disable a System certificate or Remove
to remove a User certificate.
4. Tap OK to return to the certificate list.
Install from Device Storage
Install encrypted certificates from an installed memory
card.
1. Press and tap > Settings > Security >
Install from device storage .
2. Select a certificate and follow the prompts to install.
WARNING: Enabling this option makes your phone and
personal data more vulnerable to attack by
applications from unknown sources.
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.
Note: The phone must have an installed memory card
containing encrypted certificates to use this feature.