To clear the cache while browsing, select Options > Tools >Clear the cache. To allow or prevent the phone fromreceiving 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 asbanking services or online shopping. For such connectionsyou need security certificates and possibly a security modulewhich may be available on your SIM card. For moreinformation, contact your service provider.To view or change the security module settings, or to view alist of authority or user certificates downloaded to yourphone, select Menu > Settings > Security > Securitymodule sett., Authority certificates, or User certificates.Important: Even if the use of certificates makes therisks involved in remote connections and softwareinstallation considerably smaller, they must be used correctlyin order to benefit from increased security. The existence ofa certificate does not offer any protection by itself; thecertificate manager must contain correct, authentic, ortrusted 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 certificateshould be valid, check that the current date and time in yourdevice are correct.Web© 2008 Nokia. All rights reserved. 49