Nokia E5-00 Nokia E5-00 User Guide in US English - Page 171
Encryption, Encrypt device memory or memory card, Encrypt with restored key - software update
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Security and data management 171 Encryption Select Menu > Ctrl. panel > Data mgr. > Encryption. Encrypt your device or memory card to prevent outsiders from accessing your important information. Encrypt device memory or memory card To encrypt the device memory, select Phone memory. To encrypt the memory card, select Memory card and from the following: Encrypt without saving key - Encrypt the memory card without saving the encryption key. If you select this option, you cannot use the memory card in other devices, and if you restore factory settings, you cannot decrypt the memory card. Encrypt and save key - Encrypt the memory card and save the key manually in the default folder. For security, store the key to a safe place outside the device. For example, you can send the key to your computer. Enter a pass phrase for the key and a name for the key file. The pass phrase should be long and complex. Encrypt with restored key - Encrypt the memory card with a key you have received. Select the key file and enter the pass phrase. Decrypt device memory or memory card Always remember to decrypt the device memory and/or the memory card before updating the device software. To decrypt the device memory, select Phone memory. To decrypt the memory card without destroying the encryption key, select Memory card > Decrypt.