Att Samsung Galaxy S3 - How to know if this is block ?

Yes...as long as it is unlocked you can use it with any carrier that provides a SIM card.

That is what I did. I use to be on ATT then I broke my contract to go with T-Mobile's partnered MVNO Solavei. It was a very easy transition.

While T-Mobile is still going through the re-farming stages and hasn't upgraded throughout St. Louis I still get EDGE in some spots and 4G in others because it is an ATT phone. That is something else you might want to think about if those are options for you when it comes to your phone and who the carrier will be.

Manny

Source: http://www.howardforums.com/showthread.php/1786738-Att-Samsung-Galaxy-S3-How-to-know-if-this-is-block?goto=newpost

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