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 may want to 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 switch on. Documents and files are
unaffected.
Protected content
Digital rights management (DRM) protected content, for example some media files, such
as images, music, or video clips, comes with an associated licence that defines your
rights to use the content.
You can view the details and status of the licences, and reactivate and remove licences.
Manage digital rights licences
Select Menu > Settings > Phone > Phone mgmt. > Security > Protected content.
Digital rights management
Content owners may use different types of digital rights management (DRM)
technologies to protect their intellectual property, including copyrights. This device uses
various types of DRM software to access DRM-protected content. With this device you
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