12[ 128 ]If you tried to access or have accessed confidential information requiringpasswords (for example, your bank account), empty the cache of yourphone after each use.CLEAR THE CACHEPress Menu 10-6 (Services>Clear cache).When the cache is cleared, a confirmation message appears.CLEAR THE CACHE WHILE BROWSING1 Press Options.2 Scroll to Clear cache, then press Select.About authority certificatesTo use some WAP services, such as banking services, you need an authoritycertificate. Using the certificate can help you to improve the security ofconnections between your phone and a WAP server.You can download the certificate from a WAP page if the WAP servicesupports the use of authority certificates. After the download, you canview the certificate, then save or delete it. If you save the certificate, it isadded to the list of certificates in the phone.Your phone alerts you if the identity of the WAP server or WAP gatewaycannot be verified or is not authentic.VIEW THE LIST OF CERTIFICATES1 Press Menu 10 (Services).2 Scroll to Settings, then press Select.3 Scroll to Certificates, then press Select.