How to access iPhone PUK code?
How do I access my puk code?
[Re-Titled by Moderator]
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How do I access my puk code?
[Re-Titled by Moderator]
Perhaps if you've not tried to much, the iPhone may not be locked out, yet?
While I'm no expert, so far my iPhone just works; at least most ways, still.
Some ideas & the like, may be found online via search results, duckduckgo, etc.
•How to unlock the SIM card on your iPhone | iMore
https://www.imore.com/what-do-if-youve-locked-yourself-out-access-your-sim-card
This goes through ideas; arrives at P.U.K. codes, eventually. Says good & bad.
There are general search results, with other leads; they may be found here:
https://duckduckgo.com/?t=ffab&q=iphone+puk+code+access&ia=web
The related article above your post, mentions 'Personal.Unlocking.Key' barely.
• Use a SIM PIN for your iPhone or iPad - Apple Support
//support.apple.com/kb/HT201529
Your carrier can provide you with the PUK code to unlock / update the SIM card in your phone.
Call your carrier.
How to access iPhone PUK code?