Unlock sim puk code
SIM card lock up need puk code
iPhone SE, iOS 16
Question marked as
A PUK code is provided by a network provider to unlock a phone to work on any phone provider's network.
Click on the link to read about how to 'Use a SIM PIN [PUK code] for your iPhone or iPad' --> Use a SIM PIN for your iPhone or iPad - Apple Support
Ask your carrier to help you unlock your SIM card using the default SIM PIN or PUK code.