M e n u f u n c t i o n s83• To set the phone to receive service messages only from content authorsapproved by the service provider, select Message filter > On. To view the listof the approved content authors, select Trusted channels.• To set the phone to automatically activate the browser from the standbymode when the phone has received a service message, select Automaticconnection > On. If you select Off, the phone activates the browser only afteryou select Retrieve when the phone has received a service message.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 thecache; or in the standby mode, select Menu > Web > Clear the cache.Browser securitySecurity features may be required for some services, such as online banking orshopping. For such connections you need security certificates and possibly asecurity module, which may be available on your SIM card. For more information,contact your service provider.Security moduleThe security module improves security services for applications requiring a browserconnection, and allows you to use a digital signature. The security module maycontain certificates as well as private and public keys. The certificates are savedin the security module by the service provider.Select Menu > Web > Settings > Security > Security module settings and fromthe following options:Security module details—to show the security module title, status, manufacturer,and serial number.Module PIN request—to set the phone to ask for the module PIN when using servicesprovided by the security module. Enter the code, and select On. To disable themodule PIN request, select Off.Change module PIN—to change the module PIN, if allowed by the security module.Enter the current module PIN code, and the new code twice.Change signing PIN—to change the signing PIN code for the digital signature.Select the signing PIN you want to change. Enter the current PIN code, and thenew code twice.See also "Access codes," page 9.
