Samsung SGH-I467M Benutzerhandbuch

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Settings       127
Device Administrators
To add or remove device administrators:
1. From a Home screen, touch 
 Apps 
 
 Settings 
➔ Security.
2. Touch Device administrators.
Unknown Sources
To enable or disable installation of non-Google Play 
applications:
1. From a Home screen, touch 
 Apps 
 
 Settings 
➔ Security.
2. Touch Unknown sources.
An informational pop-up displays.
3. Read the message and touch OK to allow installation of 
non-Google Play applications.
When enabled, a check mark 
 appears in the check 
box.
Warning! Enabling this option causes your tablet and personal 
data to be more vulnerable to attack by applications 
from unknown sources.
Trusted Credentials
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, touch 
 Apps 
 
 Settings 
➔ Security.
2. Touch 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. Touch a CA certificate to examine its details.
A scrolling screen displays the details.
4. Scroll to the bottom of the details screen and touch 
Disable to disable a System certificate or Remove to 
remove a User certificate.