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correctly in order to benefit from increased security. The existence of a certificate
does not offer any protection by itself; the certificate manager must contain correct,
authentic, or trusted certificates for increased security to be available. Certificates
have a restricted lifetime. If "Expired certificate" or "Certificate not valid yet" is
shown, even if the certificate should be valid, check that the current date and time
in your device are correct.
View certificate details — check authenticity
You can only be sure of the correct identity of a server when the signature and the
validity period of a server certificate have been checked.
You are notified if the identity of the server is not authentic or if you do not have
the correct security certificate in your device.
To check the details of a certificate, select Options > Certificate details. The
validity of the certificate is checked, and one of the following notes may be
displayed:
Certificate not trusted — You have not set any application to use the certificate.
Expired certificate — The certificate validity period has ended.
Certificate not valid yet — The certificate validity period has not yet begun.
Certificate corrupted — The certificate cannot be used. Contact the certificate
issuer.
Change the trust settings
Before changing any certificate settings, you must make sure that you really trust
the owner of the certificate and that the certificate really belongs to the listed
owner.
174 Settings
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