Nokia 5730 Xpress Music User Manual

Also see for 5730 Xpress Music: User guide Service manual User guide

Contents

To remove the memory card password, select Options >Memory card password > Remove. When you remove thepassword, the data on the memory card is not protectedagainst unauthorised use.To open a locked memory card, select Options > Unlockmemory card. Enter the password.If you cannot recall the password to unlock a locked memorycard, you may reformat the card, in which case the card isunlocked and password removed. Formatting a memory carddeletes all data stored on the card.Certificate managerSelect Menu > Settings > Settings and General >Security > Certificate management.Digital certificates are used to verify the origins of softwarebut do not guarantee safety. There are four different types ofcertificates: authority certificates, personal certificates,trusted site certificates, and device certificates. During asecure connection, a server may send a server certificate toyour device. Upon receipt, it is checked through an authoritycertificate stored in your device. You receive notification ifthe identity of the server is not authentic or if you do not havethe correct certificate in your device.You can download a certificate from a website, or receive acertificate as a message. Certificates should be used whenyou connect to an online bank or a remote server to transferconfidential information. They should also be used if youwant to reduce the risk of viruses or other malicious software,and to check the authenticity of software when youdownload and install software to your device.Tip: When you add a new certificate, check itsauthenticity.View certificate detailsYou can only be sure of the correct identity of a server whenthe signature and the validity period of a server certificatehave been checked.To view certificate details, open a certificate folder, and selecta certificate and Options > Certificate details.One of the following notes may appear:● Certificate not trusted — You have not set anyapplication to use the certificate. You may want to changethe trust settings.● Expired certificate — The period of validity has endedfor the selected certificate.● Certificate not valid yet — The period of validity has notyet begun for the selected certificate.● Certificate corrupted — The certificate cannot be used.Contact the certificate issuer.Back up dataSelect Menu > Applications > Organiser > File mgr..It is recommended that you back up the device memoryregularly to a memory card or a compatible computer.To back up information from the device memory to a memorycard, select Options > Back up phone memory.To restore information from the memory card to the devicememory, select Options > Restore from mem. card.© 2008 Nokia. All rights reserved. 57