Q:

How can you unlock a SIM card with a PUK code?

A:

Quick Answer

Obtain the PUK code from the SIM card carrier that came with your SIM pack, from the company website or by calling the service provider’s toll-free number, and key in the code carefully when prompted to unlock the SIM. Obtaining code from the SIM card carrier is the easiest of these methods.

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Full Answer

  1. Get the PUK code from the SIM pack

    Get the PUK number from the underside area of your SIM card carrier, the panel from which your SIM card was detached. The PUK pin is usually clearly printed under the SIM card serial number. SIM card carriers commonly have SIM card numbers, SIM card serial numbers and personal unblocking keys (PUK) printed on them. If you are not sure of the location of the number, the manual that came with your SIM card will direct you to the right place.

  2. Note down the PUK number

    Note down the PUK number, ensuring that you don't miss any digits. If you are not sure about a number, don't guess; contact the service provider to verify. Using a wrong key can block your SIM, either temporarily or permanently.

  3. Key in the PUK code

    Enter the PUK code carefully into the phone when prompted. You will be required to choose a new pin code. Entering a wrong pin three times causes a SIM to be locked temporarily, but if you key in the wrong PUK code 10 times, your SIM is blocked permanently. If that happens, you will need to purchase a new SIM card.

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