W e b93■ Cache memoryA cache is a memory location that is used to store data temporarily. If you havetried to access or have accessed confidential information requiring passwords,empty the cache after each use. The information or services you have accessed isstored in the cache.To empty the cache, while browsing, select Options > Other options >Clear the cache; in the standby mode, select Menu > Web > Clear thecache.■ Browser securitySecurity features may be required for some services, such as onlinebanking or shopping. For such connections you need securitycertificates and possibly a security module, which may be available onyour SIM card. For more information, contact your service provider.Security moduleThe security module improves security services for applicationsrequiring a browser connection, and allows you to use a digitalsignature. The security module may contain certificates as well asprivate and public keys. The certificates are saved in the security moduleby the service provider. See also “Access codes,” p. 9.Select Menu > Settings > Security > Security module settings and fromthe following options:Security module details — to show the security module title, status,manufacturer, and serial numberModule PIN request — to set the phone to ask for the module PIN whenusing services provided by the security module. Enter the code, andselect On. To disable the module PIN request, select Off.Change module PIN — to change the module PIN, if allowed by thesecurity module. Enter the current module PIN code, then the new codetwice.Change signing PIN — to change the signing PIN code for the digitalsignature. Select the signing PIN you want to change. Enter the currentPIN code, then the new code twice.