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  1. How to Determine Your Mobile PUK Code - wikiHow

    Aug 2, 2025 · Did you enter the wrong PIN three times when trying to unlock your phone's SIM card? Don't worry—you can still unlock your phone by entering your Personal Unlock Key, or PUK code. If …

  2. PUK Code | How to find it and unlock your phone - Uswitch

    Nov 10, 2025 · PUK stands for Personal Unlocking Key. It's also sometimes called a network unlocking code (NUC) or personal unlocking code (PUC) This is a unique sequence of eight digits that your …

  3. Personal unblocking key - Wikipedia

    A personal unblocking key (PUK), sometimes called personal unblocking code (PUC), is used in SIM cards to reset a personal identification number (PIN) that has been lost or forgotten.

  4. 3 ways to get the PUK code of your SIM card - Digital Citizen

    Sep 26, 2025 · The PUK code or Personal Unlocking Key is a security feature of all the modern SIM cards used in our smartphones, tablets, and other mobile devices. If you insert the wrong PIN code …

  5. Enter PUK Code - AT&T Wireless Customer Support

    Jan 14, 2025 · If your device displays PUK2 or PUK blocked call operator, then the wrong PUK code was entered 10 or more times in a row. The SIM card is blocked and must be replaced.

  6. How to check the PUK code if you have lost your SIM card

    The PUK code is an 8-digit number that unlocks the SIM after several failed PIN attempts. You can find it on the original SIM card holder or request it from your telephone operator.

  7. PUK code: What is it and how to use it? - Confused.com

    May 9, 2024 · A PUK (personal unlocking key) code is a code that helps you unlock your mobile phone. If you type in the incorrect PIN three times, you might end up locking your phone. Don’t worry – the …