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Certificates should also be used when you want to reduce the risk of viruses or other
malicious software and be sure of the authenticity of software when downloading and
installing software.
Select Menu > Settings and Phone > Phone mgmt. > Security > Certificate
management and select the desired certificate type.
Digital certificates do not guarantee safety; they are used to verify the origin of software.
Important: The existence of a certificate considerably reduces risks involved in
remote connections and software installation. To benefit from increased security,
certificates must be used correctly, and they must be correct, authentic, or trusted.
Certificates have a restricted lifetime. If they are expired or invalid, check that the current
date and time in your device are correct.
Security module
The security module provides security services for different applications.
Select Menu > Settings and Phone > Phone mgmt. > Security > Security module
and the desired security module.
View security module details
Select Options > Security details.
Restore original settings
You can reset some of the settings to their original values. All active calls and
connections must be ended.
Select Menu > Settings and Phone > Phone mgmt. > Factory settings. To restore
the settings, you need to enter the lock code.
After resetting, the device may take a longer time to power on. Documents and files are
unaffected.
Protected content
Digital rights management (DRM) protected content, for example some media files, such
as images, music, or videos, comes with an associated license that defines your rights
to use the content.
You can view the details and status of the licenses, and reactivate and remove licenses.
Manage digital rights licenses.
Select Menu > Settings > Phone > Phone mgmt. > Security > Protected content.
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