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SOLVED: How To Unlock Your Samsung Galaxy S3

Unlock your Samsung Galaxy S3, Note 2 and Ruby. Free. No Rooting. No Hacking.

You MUST have Android 4.1.1 for this to work, otherwize the last step NW LOCK NV… will be missing.

Just dial the following keys *#197328640#

Main Menu
[1] UMTS
[1] Debug Screen
[8] Phone Control
[6] Network Lock
[3]Perso SHA256 OFF
(after choosing this option, wait about 30 seconds, then 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

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  1. walt09-09-14

    I have a note 2 t889 with t-mobile and im on 4.1.1 version and I dont see nw lock nv dat initialliz

    • Ian Matthews
      Ian Matthews09-18-14

      This solution was negated with newer versions of Android… which I assume your 889 has 🙁

  2. edgar02-05-14

    nw lock nv dat initilliz is missing, what can i do??

    • Ian Matthews
      Ian Matthews02-05-14

      I do not understand the problem. Can you provide more details?

      • Cricket Phone04-09-14

        Trying to do the instructions above but when you go to the NW Lock tab it is blank.

        • Ian Matthews
          Ian Matthews04-09-14

          Hi G;

          This process no longer functions under Android 4.3 . If you have an older version, this should work.

    • jeff08-10-15

      If [4] NW Lock NV Data INITIALLIZ does not exist. Use option [1] PERSO SHA256 INFO, this will tell you the status. if it shows:
      SHA256_ENABLE_FLAG [1] it is still locked, go back and run [3]Perso SHA256 OFF and check status again
      SHA256_ENABLE_FLAG [0] it is unlocked, restart your phone and insert new sim card.

      • kanika01-21-17

        tried and its still not working

        • Ian Matthews
          Ian Matthews02-15-17

          You likely are using a newer version of Android and in which Google has have blocked this ‘feature’. You have to be running Android 4.1 which was current when the article was written but now is very old.

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