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You can protect a memory card with a password to prevent
unauthorised access. To set a password, select Options >
Set password. The password can be up to 8 characters long
and is case-sensitive. The password is stored in your device.
You do not need to enter it again while you use the memory
card on the same device. If you use the memory card on
another device, you are asked for the password. Not all
memory cards support password protection.
To remove the memory card password, select Options >
Remove password. When you remove the 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
destroys all data stored on the card.
Fixed dialling
Select Menu > 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.
When fixed dialling is activated, calls may be possible to the
official emergency number programmed into your device.
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.
Certificate manager
Select Menu > Tools > Settings > General > Security >
Certificate management.
Digital certificates are used to verify the origins of software
but do not guarantee safety. There are four different types of
certificates: authority certificates, personal certificates,
trusted site certificates, and device certificates. During a
secure connection, a server may send a server certificate to
your device. Upon receipt, it is checked through an authority
certificate stored in your device. You receive notification if
the identity of the server is not authentic or if you do not have
the correct certificate in your device.
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