A cookie is data that a site saves in the cache memory of your phone. Cookies aresaved until you clear the cache memory.To clear the cache while browsing, select Options > Tools > Clear the cache.To allow or prevent the phone from receiving cookies, select Menu > Web >Web settings > Security > Cookies; or, while browsing, select Options >Settings > Security > Cookies.Browser securitySecurity features may be required for some services, such as banking services oronline shopping. For such connections you need security certificates and possiblya security module which may be available on your SIM card. For more information,contact your service provider.To view or change the security module settings, or to view a list of authority oruser certificates downloaded to your phone, select Menu > Settings >Security > Security module sett., Authority certificates, or Usercertificates.Important: Even if the use of certificates makes the risks involved in remoteconnections and software installation considerably smaller, they must be usedcorrectly in order to benefit from increased security. The existence of a certificatedoes not offer any protection by itself; the certificate manager must containcorrect, authentic, or trusted certificates for increased security to be available.Certificates have a restricted lifetime. If "Expired certificate" or "Certificate notvalid yet" is shown, even if the certificate should be valid, check that the currentdate and time in your device are correct.Web51 Web