Encryption; Fixed Dialling - Nokia E52 User Manual

memory card is not protected against unauthorised
use.
To open a locked memory card, select
Unlock memory
If you cannot recall the password to unlock a locked
memory card, you may reformat the card, in which case
the card is unlocked and password removed.
Formatting a memory card deletes all data stored on
the card.

Encryption

Select Menu Ctrl. panel
>
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
memory.
To encrypt the memory card, select
from the following:
Encrypt without saving key
•
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
•
124
and save the key manually in the default folder. For
security, store the key to a safe place outside the
Options
card. Enter the password.
Phone > Encryption.
>
Phone
Memory card
— Encrypt the
— Encrypt the memory card
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
•
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
memory.
To decrypt the memory card without destroying the
encryption key, select
To decrypt the memory card and destroy the
encryption key, select
turn off encryption.

Fixed dialling

and
Select Menu
>
numbers Fixed dial
>
With the fixed dialling service, you can restrict calls
from your device to certain phone numbers. Not all SIM
cards support the fixed dialling service. For more
information, contact your service provider.
— Encrypt the memory
Phone
Memory card > Decrypt.
Memory card Decrypt and
>
Contacts and Options
>
contacts.
SIM