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Found this on my travels 
Thanks to the talented minds over at XDA-Developers, here is a tutorial for Samsung Galaxy Note 2 owners who want a network unlock for their devices.
Developers have managed to uncover a hidden menu in Samsung’s own software that allows unlocking a pre-locked device.
Before going ahead with the unlocking process, there are some factors to consider:
- Ensure that the phone is actually locked.
- The phone must be running at least Android 4.1 Jelly Bean or higher.
- This method is tested with Galaxy Note 2 N7105. However, it is reported that it works for the N7100 - and some Galaxy S 3 models as well (not guaranteed).
- The users must note that IBTimes will not be held responsible for anything that goes wrong. They should proceed at their own risk.
Method
Step 1: On the Samsung Galaxy Note 2, launch the phone app and dial the following keys:
*#197328640#
Step 2: From the Main Menu, navigate to [1] UMTS > [1]Debug Screen > [8] Phone Control > [6] Network Lock > Options.
Step 3: In the Options screen, choose [3] Perso SHA256 OFF. After choosing this option, wait for 30 seconds.
Step 4: Now go back one step by pressing the Menu button and then select Back once. You should now be in [6] Network Lock.
Step 5: Choose [4]NW Lock NV Data INITIALLIZ. After that, wait for a minute.
Step 6: After a minute, reboot your Galaxy Note 2.
[Source: XDA Developers via Redmond Pie]
The phone should now be carrier unlocked and ready for any SIM card to be used. It should be noted that there won’t be any confirmation related to a successful unlock on the phone. You need to insert a SIM card from a different carrier to check it.
Free UNLOCK N7105 - xda-developers
Thanks to the talented minds over at XDA-Developers, here is a tutorial for Samsung Galaxy Note 2 owners who want a network unlock for their devices.
Developers have managed to uncover a hidden menu in Samsung’s own software that allows unlocking a pre-locked device.
Before going ahead with the unlocking process, there are some factors to consider:
- Ensure that the phone is actually locked.
- The phone must be running at least Android 4.1 Jelly Bean or higher.
- This method is tested with Galaxy Note 2 N7105. However, it is reported that it works for the N7100 - and some Galaxy S 3 models as well (not guaranteed).
- The users must note that IBTimes will not be held responsible for anything that goes wrong. They should proceed at their own risk.
Method
Step 1: On the Samsung Galaxy Note 2, launch the phone app and dial the following keys:
*#197328640#
Step 2: From the Main Menu, navigate to [1] UMTS > [1]Debug Screen > [8] Phone Control > [6] Network Lock > Options.
Step 3: In the Options screen, choose [3] Perso SHA256 OFF. After choosing this option, wait for 30 seconds.
Step 4: Now go back one step by pressing the Menu button and then select Back once. You should now be in [6] Network Lock.
Step 5: Choose [4]NW Lock NV Data INITIALLIZ. After that, wait for a minute.
Step 6: After a minute, reboot your Galaxy Note 2.
[Source: XDA Developers via Redmond Pie]
The phone should now be carrier unlocked and ready for any SIM card to be used. It should be noted that there won’t be any confirmation related to a successful unlock on the phone. You need to insert a SIM card from a different carrier to check it.
Free UNLOCK N7105 - xda-developers
