Nokia XpressMusic 5700 User Manual

Page 79

S e t t i n g s

Phone and SIM card

You can change the following codes: lock code, (U)PIN
code, and PIN2 code. These codes can only include the
numbers from 0 to 9.

Avoid using access codes similar to emergency numbers to
prevent accidental dialing of the emergency number.

Code in use

—to select the active code,

PIN

UPIN

, for the

active USIM. This is shown only if the active USIM supports
UPIN, and the UPIN is not rejected.

PIN code request

UPIN code request

—to set the phone

to request the code each time the phone is switched on.
Some SIM cards may not allow the PIN code request to be
turned

Off

. If you select

Code in use

UPIN

UPIN code

request

is shown instead.

PIN code

UPIN code

PIN2 code

, and

Lock code

—to

change the codes

Keypad autolock period

User defined

—to automatically

lock the keypad after a defined period of inactivity

Phone autolock period

—to set a time-out after which the

phone is automatically locked. To use the phone again, you
need to enter the correct lock code. To turn off the
autolock period, select

None

Lock if SIM card changed

—to set the phone to prompt for

the lock code when an unknown, new SIM card is inserted
into your phone. The phone keeps a list of SIM cards that
are recognized as the owner cards.

Closed user group

(network service)—to specify a group of

people whom you can call and who can call you. For more
information, contact your service provider. To activate the
default group agreed on with the service provider, select

Default

. If you want to use another group (you need to

know the group index number), select

When calls are limited to closed user groups, calls may be
possible to the official emergency number programmed
into your device.

Confirm SIM services

(network service)—to set the phone

to display confirmation messages when you use a SIM card
service

Certificate management

A list of authority certificates that have been stored in your
phone is displayed in

Certificate management

. To see a

list of personal certificates if available, scroll right.

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.