Puk Codes - Nokia 8850 User Manual

Change your PIN or PIN2 code
You can change your PIN or PIN2 code to any 4- to 8-digit number.
1 Press Menu 4 6 5, then press Select.
2 Enter the current PIN code and press OK.
3 Enter the new PIN code and press OK.
4 Enter the new PIN code again to verify, and press OK.
Note: If you make a mistake while entering the code, Code Error appears.
Start again at step 2 and be careful to enter the correct code. If you
enter the wrong code three times in a row, the PIN code is blocked.
To unblock the PIN code, see "PUK codes" on page 68.
Set SIM card security
This feature sets your phone to ask for the PIN code each time the phone
is switched on and prevents unauthorized use of your phone.
1 Press Menu 4 6 1.
2 Enter the PIN code supplied by your service provider, and press OK.
3 Press (up or down) to highlight On and press OK.
To turn off this feature, repeat steps 1 through 3 above, but highlight Off
in step 3.
Note: If you enter the wrong PIN or PIN2 code three times in a row, the
SIM card is automatically blocked or you cannot activate the
function. See "PUK codes" below to unblock the codes.

PUK codes

The PUK (Personal Unblocking Key) and PUK2 codes are 4- to 8-digit codes
that also usually come from your service provider along with the SIM card.
The PUK code unblocks a blocked PIN code, and the PUK2 code unblocks
a blocked PIN2 code.
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