NEC My Digi User Manual page 15

such as set the charge detail display and to access additional functions requiring special SIM card.
If you enter an incorrect PIN2 three times in succession, the code is disabled and you cannot access the functions until
you re-enable it by entering the PUK2.
III. PUK(PIN Unblocking Key)
It's composed of 8 digits and required to change a disabled PIN. The PUK may be supplied with the SIM card. If not,
or you have lost it. Contact your service provider.
If you enter an incorrect PUK then times in succession, the SIM card becomes invalid.
Contact your service provider for a new card.
IV. PUK2
It's composed of 8 digits and it supplied with some SIM cards, is required to change a disabled PIN2.
If you lose the coed, contact your service provider. If you enter an incorrect PUK2 ten times in succession,
you will not be able to access the functions requiring the PIN2. Contact your service provider for a new card.
V. Change PIN or PIN2 code
User can change the PIN or PIN2 code to any 4 to 8 digits number.
VI. Set PIN Check
This feature asks for the PIN code whenever the phone is powered on.
Note: If user enters the wrong PIN code three times, the SIM card is automatically blocked
VII. PUK/PUK2 Code
The PUK (Personal Unblocking Key) and PUK2 codes is 8 digits that usually come from your service provider along with
the SIM card. Used to unlock SIM cards after the wrong PIN has been entered repeatedly.
Basic Function
Basic Function
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