Nokia E71 - Smartphone 110 MB User Manual

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Nokia E71 - Smartphone 110 MB User Manual Manual pdf 109 page image

correctly in order to benefit from increased security.The existence of a certificate does not offer anyprotection by itself; the certificate manager mustcontain correct, authentic, or trusted certificates forincreased security to be available. Certificates have arestricted lifetime. If "Expired certificate" or "Certificatenot valid yet" is shown, even if the certificate shouldbe valid, check that the current date and time in yourdevice are correct.Before changing any certificate settings, you mustmake sure that you really trust the owner of thecertificate and that the certificate really belongs to thelisted owner.To change the trust settings, select a certificate andOptions > Trust settings. Select an application fieldand press the scroll key to select Yes or No. You cannotchange the trust settings of a personal certificate.Depending on the certificate, a list of applications thatcan use the certificate is displayed:• Symbian installation — New Symbian operatingsystem application.• Internet — E-mail and graphics.• App. installation — New Java™ application.• Online certif. check — Online certificate statusprotocol.Security modulesSelect Menu > Tools > Settings > General >Security > Security module.View and edit securitymodulesTo view or edit a security module, scroll to it, and pressthe scroll key.To view detailed information about a security module,select Options > Security details.To edit the PIN codes for the security module, selectModule PIN to edit the PIN code for the securitymodule or Signing PIN to edit the PIN code for digitalsignatures. You may not be able to change these codesfor all security modules.The key store contains the contents of the securitymodule. To delete the key store, select Key store,select the desired key store, and Options > Delete.You may not be able to delete the key store of allsecurity modules.Back up dataIt is recommended to back up device memory regularlyto the memory card or a compatible computer.To back up information from the device memory to amemory card, select Menu > Tools > Memory >Options > Back up phone memory.To restore information from the memory card to thedevice memory, select Menu > Tools > Memory >Options > Restore from card.You can also connect your device to a compatiblecomputer and use Nokia PC Suite to back up data. 109 Security and data management