EncryptionSelect Menu > Tools > Encryption.Encrypt your device or memory card to prevent outsidersfrom accessing your important information.Encrypt device memory ormemory cardTo encrypt the device memory, select Phone memory.To encrypt the memory card, select Memory card and fromthe following:• Encrypt without saving key — Encrypt the memory cardwithout saving the encryption key. If you select thisoption, you cannot use the memory card in other devices,and if you restore factory settings, you cannot decrypt thememory card.• Encrypt and save key — Encrypt the memory card andsave the key manually in the default folder. For security,store the key to a safe place outside the device. Forexample, you can send the key to your computer. Enter apass phrase for the key and a name for the key file. Thepass phrase should be long and complex.• Encrypt with restored key — Encrypt the memory cardwith a key you have received. Select the key file and enterthe pass phrase.Decrypt device memory ormemory cardAlways remember to decrypt the device memory and/or thememory card before updating the device software.To decrypt the device memory, select Phone memory.To decrypt the memory card without destroying theencryption key, select Memory card > Decrypt.To decrypt the memory card and destroy the encryption key,select Memory card > Decrypt and turn off encryption.Fixed dialingSelect Menu > Communic. > Contacts > Options > SIMcontacts > Fixed dial contacts.With the fixed dialing service, you can restrict calls from yourdevice to certain phone numbers. Not all SIM cards supportthe fixed dialing service. Contact your service provider formore information.1. To restrict calls from your device, select Options > NewSIM contact and enter the contact name and phonenumber to the list of numbers to which calls are allowed,or select Add from Contacts to copy the contact fromContacts. To restrict calls by a country prefix, enter thecountry prefix in the list of numbers. All phone numbersto which calls are allowed must start with this countryprefix.Security and data management© 2008-2009 Nokia. All rights reserved.116
