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Unlock microsoft duo AT&T locked device

I received an unlock code from att, apparently I inserted a wrong sim card (outside USA and Canada) few unlock trials failed, I realized the mistake and inserted the correct sim card but didn't work, I got the message (Sim locked for operator : card 1), how can the code be reactivated?

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ATTHelp

Community Support

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221.6K Messages

4 months ago

Good morning, @Nabilito. We would be happy to help you unlock your SIM. It sounds like you will need a PIN unlock key. In order to get a PUK code and unlock your SIM, follow these steps:

Log into myAT&T either online or through the myAT&T app.
Go to your account overview and open the My wireless section.
Scroll to My devices & add-ons and choose the device that needs a PUK code.
Select Manage my device.
Under See device options, select Get your PIN unlock key (PUK).

Give these a try and let us know how this worked for you! Thank you for contacting AT&T.

Goodacre, AT&T Community Specialist

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Nabilito

New Member

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3 Messages

4 months ago

Dear Goodacre , i have no account with AT&T , i bought the locked device at EBAY , I will not use The original AT&T SIM card , but a Canadian SIM card, During the unlocking process i was using a non US non Canadian Sim card by mistake , i am wondering what is the meaning of the message (SIM locked for operator : Card 1) , your support is appreciated

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Nabilito

Unlock microsoft duo AT&T locked device

ATTHelp

Nabilito

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