Nokia N80 Internet Edition

Page 109
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Tools
109
To unlock the device, enter the lock code.
When the device is locked, calls may be possible to the 
official emergency number programmed into your device.
 Tip! To lock the device manually, press 
. A list of 
commands opens. Select 
Lock phone
.
Lock if SIM changed
—You can 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 recognized as the owner’s cards.
Closed user group
—You can specify a group of people to 
whom you can call and who can call you (network service).
When calls are limited to closed user groups, calls may be 
possible to the official emergency number programmed 
into your device.
Confirm SIM services
—You can set the device to display 
confirmation messages when you are using a SIM card 
service (network service).
Glossary of PIN and lock codes
If you forget any of these codes, contact your service 
provider.
Personal identification number (PIN) code—This code 
protects your SIM card against unauthorized use. The PIN 
code (4 to 8 digits) is usually supplied with the SIM card. 
After three consecutive incorrect PIN code entries, the 
code is blocked, and you need the PUK code to unblock it.
UPIN code—This code may be supplied with the USIM card. 
The USIM card is an enhanced version of the SIM card and 
is supported by UMTS mobile phones.
PIN2 code—This code (4 to 8 digits) is supplied with some 
SIM cards, and is required to access some functions in 
your device.
Lock code (also known as security code)—This code (5 
digits) can be used to lock the device to avoid 
unauthorized use. The factory setting for the lock code is 
12345. To avoid unauthorized use of your device, change 
the lock code. Keep the new code secret and in a safe place 
separate from your device. If you forget the code, contact 
your service provider.
Personal unblocking key (PUK) code and PUK2 code—These 
codes (8 digits) are required to change a blocked PIN code 
or PIN2 code, respectively. If the codes are not supplied 
with the SIM card, contact the operator whose SIM card 
is in your device.
UPUK code—This code (8 digits) is required to change a 
blocked UPIN code. If the code is not supplied with the 
USIM card, contact the operator whose USIM card is in 
your device.
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