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password, the data on the memory card is not protected
against unauthorised use.
To open a locked memory card, select Options > Unlock
memory card. Enter the password.
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 > Phone > 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.
To decrypt the memory card and destroy the encryption key,
select Memory card > Decrypt and turn off encryption.
Fixed dialling
Select Menu > Contacts and Options > SIM numbers >
Fixed dial contacts.
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.
When security features that restrict calls are in use (such as
call barring, closed user group, and fixed dialling), calls may
be possible to the official emergency number programmed
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