不用打电话给AT&T
Unlock via hidden service menu for Samsung Galaxy S3 and Note 2 Phone.
Valid for GSM version like AT&T.
Dial the following keys: *#197328640#
Main Menu > [1] UMTS > [1] Debug Screen > [8] Phone Control > [6] Network
Lock > Options [3]Perso SHA256 OFF > (after choosing this option, wait about
30 seconds
go back one step by pressing the Menu button then select Back, now you are
in [6] Network Lock then choose [4] NW Lock NV Data INITIALLIZ ...
Wait for a minute then reboot your phone. Now your phone is unlocked!
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最新消息bootloader unlock for Verizon Note 2也有了. http://www.gottabemobile.com/2012/12/12/verizon-galaxy-note-2-b
