contain correct, authentic, or trusted certificates forincreased security to be available. Certificates have arestricted lifetime. If "Expired certificate" or"Certificate not valid yet" is shown, even if thecertificate should be valid, check that the current dateand time in your device are correct.View certificate details — check authenticityYou can only be sure of the correct identity of a serverwhen the signature and the validity period of a servercertificate have been checked.You are notified if the identity of the server is notauthentic or if you do not have the correct securitycertificate in your device.To check the details of a certificate, select Options >Certificate details. The validity of the certificate ischecked, and one of the following notes may bedisplayed:● Certificate not trusted — You have not set anyapplication to use the certificate.● Expired certificate — The certificate validityperiod has ended.● Certificate not valid yet — The certificate validityperiod has not yet begun.● Certificate corrupted — The certificate cannot beused. Contact the certificate issuer.Change the trust settingsBefore changing any certificate settings, you mustmake sure that you really trust the owner of thecertificate and that the certificate really belongs to thelisted owner.To change the settings for an authority certificate,select Options > Trust settings. Depending on thecertificate, a list of the applications that can use theselected certificate is shown. For example:● Symbian installation: Yes — The certificate is ableto certify the origin of a new Symbian operatingsystem application.● Internet: Yes — The certificate is able to certifyservers.● App. installation: Yes — The certificate is able tocertify the origin of a new Java™ application.To change the value, select Options > Change trustsetting.Security moduleSelect Menu > Settings and Phone > Phonemgmt. > Security > Security module.To view or edit a security module (if available), selectit from the list.To view detailed information about a security module,select Options > Security details.Restore original settingsSelect Menu > Settings and Phone > Phonemgmt. > Factory settings.132 Settings
