Nokia XPRESS MUSIC 5730 - Manual (Page 63)

and your device is locked, you must take the device to a Nokia
authorised service facility and additional charges may apply.
To unlock the device, the software must be reloaded, and the
data you have saved in the device may be lost.
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 Menu > Settings >
Settings and General > Security > Phone and SIM
card > Remote phone locking > Enabled. Enter the
remote lock message, and confirm the message. The message
must be at least 5 characters long. Write down the text, as
you may need it later.
Memory card security
Select Menu > Applications > Organiser > File mgr..
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 >
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
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.
Certificate manager
Select Menu > Settings > Settings and 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.
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
want to reduce the risk of viruses or other malicious software,
and to check the authenticity of software when you
download and install software to your device.
Tip: When you add a new certificate, check its
authenticity.
Security and data management
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