Nokia 311 Cell Phone User Manual


 
Access codes
PIN or PIN2
code
(4-8 digits)
These protect your SIM against unauthorised use
or are required to access some features.
You can set your phone to ask for the PIN code
when you switch it on.
If not supplied with your card or you forget the
codes, contact your service provider.
If you type in the code incorrectly three times in a
row, you need to unblock the code with the PUK
or PUK2 code.
PUK or PUK2
code
(8 digits)
These are required to unblock a PIN or PIN2 code.
If not supplied with your SIM, contact your service
provider.
IMEI number
(15 digits)
This is used to identify valid phones in the
network. The number can also be used to block,
for example, stolen phones. You may also need to
give the number to Nokia Care services.
To view your IMEI number, dial *#06#.
Lock code
(security code)
(min. 5 digits)
This helps you protect your phone against
unauthorised use.
You can set your phone to ask for the lock code
that you define. The default lock code is 12345.
91