Nokia 6820i User Guide 69 Copyright © 2004 Nokia
Settings
PIN code request
Select PIN code request to set the phone to ask for your PIN code every time the phone is
switched on. Some SIM cards do not allow the PIN code request to be turned off.
Call restrictions
Select Call restrictions to restrict incoming calls to, and outgoing calls from, your phone.
Network service and a password are required.
Fixed dialing
Select Fixed dialing to restrict your outgoing calls and text messages to selected phone
numbers if this function is supported by your SIM card. The PIN2 code is required.
When the fixed dialing is on, GPRS connections are not possible except while sending text
messages over a GPRS connection. In this case, the recipient’s phone number and the message
center number must be included in the fixed dialing list.
Closed user group
Closed user group is a network service that specifies the group of people whom you can
call and who can call you. For more information, contact your service provider.
Security level
Security level instructs the phone to ask for the security code whenever a new SIM card is
inserted into the phone.
Memory
Select Memory to set the phone to request the security code when the SIM card memory
is selected.
Access codes
Select Access codes to change the security code, PIN code, PIN2 code or restriction password.
Codes can only include numbers from 0 to 9. Refer to the following items when changing
access codes.
SECURITY CODE
The security code is 5 to 10 digits and protects your phone against unauthorized use. The
preset code is 12345. When you have changed the code, keep the new code secret and in a
safe place separate from your phone. To change the code, and to set the phone to request
it, see “Security settings” on page 68.
If you key in an incorrect security code five times in succession, the phone may display Code
error. Wait for 5 minutes and key in the code again.
PIN AND PIN2 CODES
The PIN code is 4 to 8 digits and protects your SIM card against unauthorized use. The PIN
code is usually supplied with the SIM card. To set the phone to request the PIN code each
time the phone is switched on, see “Security settings” on page 68.
The PIN2 code may be supplied with the SIM card and is required to access some functions.