DOWNGRADE AND UNLOCK SAMSUNG GALAXY NOTE 2, S3 VERSION 4-1-2 AT-T, TMOBILE FOR FREE STEPS BY STEPS

hi guys, this is video tutorial how to unlock your samsung galaxy note 2, s3 AT&T, Tmobile 4.1.2, by downgrade the firmware to version 4.1.1, and unlock it. ...
http://www.youtube.com/watch?v=I8UD0PnkjcY&feature=share




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