Nokia 6151

Page 13
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General information
■ Access codes
Security code
The security code (5 to 10 digits) 
helps to protect your phone against 
unauthorized use. The preset code is 
12345. To change the code, and to 
set the phone to request the code, 
see 
 p.
If you enter an incorrect security 
code five times in succession, the 
phone ignores further entries of the 
code. Wait for 5 minutes, and enter 
the code again.
PIN codes
The personal identification number 
(PIN) code and the universal 
personal identification number 
(UPIN) code (4 to 8 digits) help to 
protect your SIM card against 
unauthorized use. See 
 
p.
. The PIN code is usually 
supplied with the SIM card. Set the 
phone to request the PIN code each 
time the phone is switched on.
The PIN2 code (4 to 8 digits) may be 
supplied with the SIM card and is 
required for some functions.
The module PIN is required to access 
the information in the security 
 p.
. 
The module PIN is supplied with the 
SIM card if the SIM card has a 
security module in it.
The signing PIN is required for the 
digital signature. See 
 p.
. The signing PIN is 
supplied with the SIM card if the 
SIM card has a security module in it.
PUK codes
The personal unblocking key (PUK) 
code and the universal personal 
unblocking key (UPUK) code 
(8 digits) are required to change a 
blocked PIN code and UPIN code, 
respectively. If the codes are not 
supplied with the SIM card, contact 
your service provider for the codes.
Barring password
The barring password (4 digits) is 
required when you use the 
Call 
barring service
. See 
 p.
You can obtain the password from 
your service provider. If you enter an 
incorrect barring password three 
times in succession, the password is 
blocked. Contact your service 
provider or network operator.
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