Icemobile VIENTO II User Manual page 11

-If the input PUK is correct, the SIM card will be
unlocked and the PIN will be reset.
Note: The SIM card will be locked if you input wrong PIN
code for three times. To unlock the SIM card, you need to
input the PUK. In general, the PUK can be obtained from
the network operator.
 PUK
The PUK code (Personal Unlocking Key, 8digits) is
required to change a blocked PIN. It is supplied with SIM
card. If not, contact your network operator. If you input
wrong PUK code for 10 times, SIM card will be invalid.
Please contact the network operator to replace the SIM
card.
 PIN2
The PIN2 code (4 to 8 digits), supplied with SIM card, is
required to access some functions such as "call costs
setup" and "fixed dialing setup". Please contact the
network operator to verify whether your SIM card
supports these functions. If you input wrong PIN2 for
three times, the PIN2 will be locked. To unlock the PIN2,
input the correct PUK2 as follows:
-Input the correct PUK2 according to the screen prompt to
unlock the PIN2.
-Then input the new PIN2 and press the OK key.
-Input the new PIN2 again and then press the OK key.
 PUK2
The PUK2 code (Personal Unlocking Key2, 8digits),
supplied with SIM card by the vendor. If not, contact the
network operator. If you input wrong PUK2 for ten times,
the PIN2 will be invalid and the corresponding functions
cannot be used. Please contact the network operator to
- -
11