● Confirm SIM services — Set the device to display confirmation messages when
you are using a SIM card service (network service).
Manage certificates
Digital certificates protect your content when transferring confidential
information. Certificates should be used when connecting to an online bank or
another site, or to a remote server for actions that involve transferring confidential
information.
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 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.
Settings
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