guys i buy one nokia lumia 521 in usa for amazon and i living in venezuela and i need one unlock code i t mobile you can help me?
Attached is a link to T-Mobile's unlock policy;
Unlock your mobile wireless device
I can tell you that if you are not a current T-Mobile US customer they will not unlock the device. In that case you would have to pay a 3rd party service to unlock it.
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Manage your T-Mobile account
Use the T-Mobile App or your My T-Mobile account
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