PIN code
The PIN (Personal Identity Number) code is a 4- to 8-digit
number usually supplied with the SIM card given to you by
your service provider. If you use SIM card security, the phone
will require you to enter the PIN code every time you switch
on the phone.
When the phone requires the PIN or PIN2 code, it displays
Enter PIN code: or Enter PIN2 code:. Enter the code, then
press OK.
If you enter a wrong PIN code three times in succession,
enter the PUK code, then press OK. Enter a new PIN code,
then press OK. Re-enter the new code, then press OK.