Sim lock code - Computers & Internet

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I'm sometimes accused of not giving short answers. However, my philosophy is that too much is better than too little.

Still with me?

This is generic because I don't know the name of your carrier. I'll be using AT&T as an example. Most carriers use the same procedure but the wording may differ.

A PUK (PIN Unlock Key) code is required to unlock SIM cards that have become locked following three successive incorrect PIN entries. If your SIM card becomes locked, you will need to get a PUK code from your carrier. For example, if you have AT&T to unlock your SIM card, you can obtain your phone's PUK code from AT&T by:

? logging in to your my wireless Account online
? using their Technical Support Chat
? calling Customer Care at 1-800-331-0500

To get your phone's PUK code online from ATT:

? Log in to your my wireless Account.
? Select My Services under My Account.
? From the My Services screen, select My Phone/Device.
? Select Unblock SIM Card.
? The Unblock SIM screen will display your PUK code.


Once you receive your PUK code, you will need to enter it into your phone to set a new PIN code.

Note: If you enter the wrong ATT PUK code 10 times in a row, your SIM card will be invalidated, and you will need to purchase a new SIM Card. The phone will display the following error: "PUK blocked call operator."

I trust that this is helpful and solves your problem. All the best

Ben