128Copyright © 2006 Nokia. All rights reserved.Module 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, then enterthe new code twice.See also “Access codes,” p. 17.CertificatesImportant: Note that even if the use of certificates makes the risks involved inremote connections and software installation considerably smaller, they must beused correctly in order to benefit from increased security. The existence of acertificate does not offer any protection by itself; the certificate manager mustcontain correct, authentic or trusted certificates for increased security to beavailable. Certificates have a restricted lifetime. If Expired certificate or Certificatenot valid yet is shown even if the certificate should be valid, check that the currentdate and time in your device are correct.Before changing any certificate settings, you must make sure that you really trustthe owner of the certificate and that the certificate really belongs to the listedowner.There are three kinds of certificates: server certificates, authority certificates anduser certificates; you may receive any of these certificates from your service
