Where do i put my SIM card serial number to get my PUK code?

[Android Central Question]

I don't know where to put my SIM serial number to retrieve the PUK code to unlock my SIM card

 

[hallux]

Speak with your carrier, they should be able to provide that information if you've discarded the "frame" the SIM card came in (it's printed on that frame).

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[Ferdinand Gambala]

I forgot my puk code in my one cellphone

 

[hallux]

I forgot my puk code in my one cellphone

Read the previous response, you need to contact your carrier...

If you're unsure of the PIN to unlock the screen, that's an entirely different question.