correctly in order to benefit from increased security. The existence of a certificatedoes not offer any protection by itself; the certificate manager must contain correct,authentic, or trusted certificates for increased security to be available. Certificateshave a restricted lifetime. If "Expired certificate" or "Certificate not valid yet" isshown, even if the certificate should be valid, check that the current date and timein your device are correct.Before changing any certificate settings, you must make sure that you really trustthe owner of the certificate and that the certificate really belongs to the listedowner.Games and applicationsYou can manage applications and games. Your phone may have some games orapplications installed. These files are stored in the phone memory or an attachedmemory card and may be arranged in folders.Launch an applicationSelect Menu > Applications > Games, Memory card, or Collection. Scroll to agame or an application, and select Open.To set sounds, lights, and shakes for a game, select Menu > Applications >Options > Application settings.Other available options may include the following:Update version — to verify that a new version of the application is available fordownload from the web (network service)Web page — to provide further information or additional data for the applicationfrom an internet page (network service), if availableApplication access — to restrict the application from accessing the networkEntertainment 65