Nokia 6720 classic

Page 17
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General > Security > Phone and SIM card > Keypad 
autolock period > User defined and the desired time. 
To unlock the keypad, select Unlock, and press * within 1.5 
seconds. When the device or keypad is locked, calls may be 
possible to the official emergency number programmed into 
your device. 
Access codes 
Select
 > 
Settings > Settings. 
To define how your device uses the access codes and security 
settings, select General > Security > Phone and SIM 
card and from the following: 
●  The PIN (UPIN) code, supplied with the SIM (USIM) card, 
helps to protect the card against unauthorised use. 
●  The PIN2 (UPIN2) code, supplied with some SIM (USIM) 
cards, is required to access certain services. 
●  PUK (UPUK) and PUK2 (UPUK2) codes may be supplied with 
the SIM (USIM) card. If you enter the PIN code incorrectly 
three times in succession, you are asked for the PUK code. 
If the codes are not supplied, contact your service provider. 
●  The security code helps to protect your phone against 
unauthorised use. You can create and change the code, 
and set the phone to request the code. Keep the code 
secret and in a safe place separate from your phone. If you 
forget the code and your phone is locked, your phone will 
require service. Additional charges may apply, and all the 
personal data in your device may be deleted. For more 
information, contact a Nokia Care point or your device 
dealer. 
Your device 
●  The barring password is required when using the call 
barring service to restrict calls to and from your phone 
(network service). 
Remote lock 
You can lock your device from another device using a text 
message. To enable your device to be locked remotely, and 
to define the lock message to be used, select
 > 
Settings > Settings > General > Security and Phone and 
SIM card > Remote phone locking. When you have entered 
the message, select OK. The message can be up to 20 
characters long. 
To lock your device, send the lock message as a text message 
to your mobile phone number. To unlock your device later,
select Unlock, and enter the lock code. 
Installations 
Select
 > 
Applications > Installations. 
You can find additional applications and download 
applications into this folder. 
Important:  Only install and use applications and other 
software from trusted sources, such as applications that are 
Symbian Signed or have passed the Java Verified™ testing. 
© 2009 Nokia. All rights reserved. 
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