Nokia 5800 XpressMusic

Page 95
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To check for software updates, select 
Options
 > 
Check for
updates
.
Warning:
Downloading software updates may involve the transmission
of large amounts of data (network service).
Make sure that the device battery has enough power, or
connect the charger before starting the update.
Security settings
Phone and SIM
Select 
Menu
 > 
Settings
 and 
Phone
 > 
Phone mgmt.
 >
Security
 > 
Phone and SIM card
.
Select from the following:
●
PIN code request
  — When active, the code is requested
each time the device is switched on. Deactivating the PIN
code request may not be allowed by some SIM cards.
●
PIN code
 and
PIN2 code
 — Change the PIN and PIN2 code.
These codes can only include numbers. Avoid using access
codes similar to the emergency numbers to prevent
accidental dialling of the emergency number. If you forget
the PIN or PIN2 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).
Certificate management
Select 
Menu
 > 
Settings
 and 
Phone
 > 
Phone mgmt.
 >
Security
 > 
Certificate management
.
Digital certificates should be used if you want to connect to
an online bank or another site or remote server for actions
that involve transferring confidential information. They
should also be used if 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 from the following:
Settings
© 2011 Nokia. All rights reserved.
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