Pin Code; Pin2 Code; Puk Code; Puk2 Code - Nokia E71 User Manual

Safety Precaution
phone password as soon as possible and keep it
secret.

12.3.2 PIN code

This is personal identification code, which is used to
protect the SIM card from unauthorized users.
Generally, the PIN code and SIM card will be
provided together. After activating the PIN code,
you need to input correct password each time you
switch the phone on to ensure normal usage.
Caution：
If you input your PIN code incorrectly for three
times in succession, the SIM card will be
locked. You need to enter the PUK code to
unlock it. (If you don't have a PUK code, please
contact your network operator or SIM card
retailer for this information. Please don't input
any characters).

12.3.3 PIN2 code

This is the password for activating special functions
of the SIM card. You need to input it while entering
some functions (eg.Charge Unit, Fixed Dialling etc).
Usually, the PIN2 code and the SIM card will be
provided together. If you incorrectly input the PIN2
code for three times in succession, it will be locked
and you will need to input PUK2 to unlock it.

12.3.4 PUK code

This is used to unlock the PIN code. Usually the
PUK code and SIM card are provided together. If
you don't have it, please contact with your network
operator or SIM card retailer. SIM Card won't be
used any more, if you incorrectly input the PUK
code ten times in succession. In that case, please
apply a new SIM card from your network operator.
PUK code is unmodifiable.

12.3.5 PUK2 code

This is used to unlock the PIN2 code. Usually the
PUK2 code and the SIM card are provided together.
PUK2 can modify the locked PIN2 code. If you
incorrectly input the PUK2 code for ten times in
succession, you will not be able to access some
functions. Please apply to your operator for a new
card. The PUK2 code is unmodifiable. If you lose it,
please contact your service provider.

12.4 Cautions for battery charging

The phone provides power by using a lithium
battery. The standby time and call time will be
influenced by the system's environment and phone
settings.