i-mobile IQ II User Manual page 39

If a wrong PIN2 code has been input for 3 times straight,
it is needed to input the PUK2 code, then input a new
PIN2 code and input it again for confirmation.
PUK Code
PUK code (Personal Unlock Key) is used to change
locked PIN code. PUK code is provided along with the SIM
card. If not provided, please contact your local service
provider for PUK code.
If wrong PUK code has been input for 10 times straight,

the SIM card can not be used any more. Please contact
your service provider for a new SIM card.
PUK code can not be changed. If the PUK code is lost,

please contact your service provider.
PUK2 Code
PUK2 code is provided along with some SIM cards for
changing locked PIN2 code
If wrong PUK2 code has been input for 10 times straight,

the SIM card can not be used any more. Please contact
your service provider for a new SIM card.
The PUK2 code can not be changed. If it is lost, please

contact your service provider.
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