Puk Codes; Security Code - Nokia 6310i Quick 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 8 6 (Settings > Security settings > Change access codes),
scroll to the PIN code you want to change, 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, you need a Personal Unblocking
Key (PUK).

• 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.
If you block your phone, you may need to contact your service provider.
When you enter the PUK code given by your service provider, the phone
will ask you to enter and then confirm a new PIN code.

• SECURITY CODE

Note: The default security code is 12345. You need the security
code to access some security features. When the phone requires
the security code, it displays Security code:
Enter the code then press OK.
If you enter an incorrect security code five times in a row, the phone will
not accept the correct code for 5 minutes.
Manage phone security
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