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
>
Communic.
>
Contacts
>
Options
>
SIM contacts
>
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. Contact your
service provider for more information.
1. To restrict calls from your device, select
Options
>
New SIM contact
and enter the contact name and
phone number to the list of numbers to which calls
are allowed, or select
Add from Contacts
to copy
the contact from Contacts. To restrict calls by a
country prefix, enter the country prefix in the list of
numbers. All phone numbers to which calls are
allowed must start with this country prefix.
2. Select
Options
>
Activate fixed dialling
. You
need your PIN2 code to activate and deactivate
fixed dialling or edit your fixed dialling contacts.
Contact your service provider if you do not have the
code. To cancel the service, select
Options
>
Deactivate fixed dialling
.
Tip:
To send text messages to the SIM contacts
while the fixed dialling service is active, you
need to add the text message centre number to
the fixed dialling list.
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