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code, contact your service provider. If you forget the lock code, contact a Nokia Care
point or your service provider.
Lock code — The lock code is used to unlock the device. To avoid unauthorised use
of your device, change the lock code. The preset code is 12345. The new code can
be 4-255 characters long. Alphanumeric characters and both uppercase and
lowercase characters can be used. The device notifies you if the lock code is not
properly formatted. Keep the new code secret and separate from your device.
Phone autolock period — To avoid unauthorised use, you can set a time-out after
which the device automatically locks. A locked device cannot be used until the
correct lock code is entered. To turn off autolock, select None.
Lock if SIM card changed — Set the device to ask for the lock code when an
unknown SIM card is inserted into your device. The device maintains a list of SIM
cards that are recognised as the owner’s cards.
Remote phone locking — Enable or disable remote lock.
Closed user group — Specify a group of people to whom you can call and who can
call you (network service).
Confirm SIM services — Set the device to display confirmation messages when
you are using a SIM card service (network service).
Manage certificates
Digital certificates protect your content when transferring confidential information.
Certificates should be used when connecting to an online bank or another site, or
to a remote server for actions that involve transferring confidential information.
Certificates should also be used when you want to reduce the risk of viruses or other
malicious software and be sure of the authenticity of software when downloading
and installing software.
Select Menu > Settings and Phone > Phone mgmt. > Security > Certificate
management and select the desired certificate type.
Settings 133