Where do I go to enter puk code to unlock my sim
Where can I check and enter my puk code
iPhone 11, iOS 14
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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' --> https://support.apple.com/HT201529
Ask your carrier to help you unlock your SIM card using the default SIM PIN or PUK code.