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is advisable to change the profile or unlock the device by
entering the lock code before you make the emergency call.
To prevent access to the contents of your device, lock the
To prevent access to the contents of your device, lock the
device when in the home screen. Press the power key, select
Lock phone, and enter your lock code. The default lock code
is 12345. To unlock, press the left selection key, enter your
lock code, and press the scroll key.
Select Menu > Settings and General > Security > Phone
Select Menu > Settings and General > Security > Phone
and SIM card.
To change the lock code, select Lock code. Enter the old code
To change the lock code, select Lock code. Enter the old code
and then the new code twice. The new code can be 4-255
characters long. Both alphabets and digits can be used, and
both uppercase and lowercase alphabets are possible.
You can also lock the device remotely by sending a text
You can also lock the device remotely by sending a text
message to the device. To enable remote locking and to
define the text for the message, select Allow remote lock >
Yes. Enter the remote lock message and confirm the
message. The message must be at least 5 characters long.
Memory card security
Select Menu > Applications > Organiser > File mgr..
You can protect a memory card with a password to prevent
You can protect a memory card with a password to prevent
unauthorised access. To set a password, select Options >
Memory card password > Set. 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 >
To remove the memory card password, select Options >
Memory card password > Remove. 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
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
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.
Certificate manager
Select Menu > Settings and General > Security >
Certificate management.
Digital certificates are used to verify the origins of software
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.
You can download a certificate from a website, or receive a
You can download a certificate from a website, or receive a
certificate as a message. Certificates should be used when
you connect to an online bank or a remote server to transfer
confidential information. They should also be used if you
Security and data management
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