W e b52Select Menu > Web > Settings > Security settings > Security module settingsand from the 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 when usingservices provided by the security module. Enter the code, and select On. To disablethe module PIN request, select Off.Change module PIN — to change the module PIN, if allowed by the securitymodule. Enter the current module PIN code; then enter 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; thenenter the new code twice.See also "Access codes," p. 8.CertificatesImportant: Even if the use of certificates makes the risks involved inremote connections and software installation considerably smaller,they must be used correctly in order to benefit from increased security.The existence of a certificate does not offer any protection by itself; thecertificate manager must contain correct, authentic, or trusted certificatesfor increased security to be available. Certificates have a restrictedlifetime. If Expired certificate or Certificate not valid yet is shown evenif the certificate should be valid, check that the current date and time inyour device are correct.Before changing any certificate settings, you must make sure that youreally trust the owner of the certificate and that the certificate reallybelongs to the listed owner.There are three kinds of certificates: server certificates, authority certificates, anduser certificates. You may receive these certificates from your service provider.Authority certificates and user certificates may also be saved in the securitymodule by the service provider.To view the list of the authority or user certificates downloaded into your phone,select Menu > Web > Settings > Security settings > Authority certificates orUser certificates.The security indicator is displayed during a connection, if the data transmissionbetween the phone and the content server is encrypted.