How to unlock puk code

what is a puk code ?

Maybe that will answer your question : https://fizz.ca/en/faq/how-do-i-use-puk-code-to-unblock-my-sim-card
"Where to find your PUK code:
Log into your Fizz account and go to My Plans.
Click on Manage and then Unblock SIM card.
Click the slider to reveal your PUK code.
Type this code into your phone to unblock your SIM."

Amber,
Are you sure that your phone is unluck?
Please, contact your old provider to unlock your phone.
This one must do it for free. It's the law.