How to Unlock SIM for FREE on GSM Galaxy Note 2!

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For those of you with a GSM Galaxy Note 2 (such as AT&T Galaxy Note 2 SGH-i317, T-Mobile Galaxy Note 2 SGH-T999, or any Note 2 that has a SIM slot but SIM is locked to specific carrier), there’s an easy, “free” way to unlock the SIM so you can use another SIM card from another carrier or perhaps you want to unlock SIM so you can use your phone while traveling internationally.

Well, I had the pleasure of using both my AT&T and T-Mobile Galaxy Note 2 in South Korea where I am currently staying, with voice/3G/4G HSPA+ working flawlessly.

This also does work on GSM Galaxy S3s also by the way and rooting isn’t required!

Step 1. Insert a SIM on your Note 2, you should find the familiar “SIM network unlock PIN” window.

Step 2. Dial “*#197328640#” on your Note 2 to enter special menus.

Step 3. Choose “UMTS”.

Step 4. Next choose “Debug screen”.

Step 5. Choose “Phone Control”.


Step 6. Choose “Network Lock”.

Step 7. Choose “Perso SHA256 OFF” and wait about 30 seconds.

Step 8. Press the Menu button then choose “Back”.

Step 9. Choose “NW Lock NV Data Initiallize” and wait about 1 minute.  Then reboot your Note 2.

Step 10. Once rebooted, you should no longer get the Network Lock window anymore and you should be able to get signal and data.  If you have trouble getting 3G/HSPA+ data, try setting the APN to your carrier’s settings although it should set automatically.

Having trouble?

If you are on Android 4.1.2, try installing Phone Utility to access the menus or reflash Android 4.1.1 ROM to unlock (then revert back to 4.1.2 once unlocked)

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209 Responses

  1. Daniel says:

    hey max do you know if the att 1317 note 2 has the tmobile 3g/4g bands unlockable through software like the note 1 did??

    • Taylor M. says:

      If anyone is having a problem with their code or is looking for a place to get a code to unlock their phone, I would suggest giving a go. It doesn’t cost at all, you just need to complete a short survey (I know, one of those!) but it worked for me so.. it’s worth trying out.

      • anon says:

        hey Taylor, did really work for you or are you just bluffing? please, if its just a bluff then do not suggest these options. you need to provide personal information and it doesn’t end with just signing up on their website. and they need your credit card details?! why, when you mentioned it cost nothing at all???

  2. note says:

    Hey max I did this on my s3 and lost my imei and data after I flashed a Rom.. this can fuck phones up man.

  3. Yoshstar says:

    thanks zedomax works perfect on my t-mobile galaxy note 2, thanks for all your tutorials, everything I know about rooting android phones is thanks to you bro….

  4. Ray says:

    I had a Samsung Note II model: Sgh-t889v from Wind, successfully unlocked by follow the above instruction.
    Thank you!

    • RICK says:

      i tried to unlock my note 2 t889v but no luck,,,on instruction number 7 i am missing some other stuff on my phone like on that number seven ,on network lock i am missing those two thing that is under PERSO SHAW266 OFF,,AND I AM NOT ABLE TO UNLOCK IT .IS THERE ANY OTHER OPTION FOR ME TO TRY

  5. John says:

    Can I unlock note2 (I317 from Bell Canada, rooted) using your method with the original SIM card from Bell? I don’t have another micro SIM from other carrier to try or verify at this point. I do, however, like to get it done in case I need to travel elsewhere.

    Thanks you very much!

    • Max Lee says:

      Yes should work fine.

      • John says:

        Thanks for the reply.

        Do I need to do this every time flashing with a new ROM?


      • G7Baker says:

        Max your Awesome. I’ve learned so much from your Vids…Thanx for the vid about Roms and Kernels. That really helped me understand the whole Deal. I am currently Using a unlocked At&t Note 2 on T-mobile with CleanRom and a T-Mobile Galaxy S3 with Wicked Rom. And i got 1 question with my unlocked At&t note 2 on T-mobile can i flash T-mobile roms too or just At&t? I got 4g with Clean Rom but i just wanted to know

      • Jay says:

        when I do these steps and try to place a call it says mm#6 – this is a galaxy note ii 1317 – please help!!

        • Sanchez says:

          That means you have a ban Imei it’s useless

          • joe says:

            I actually have the same problem and the phone is not black listed because I have the phone since brand new when I used to have AT&T but when I perform the steps from *#197328640# and do everything and still get the mm#6 when I place the metro pcs/t_mobile what should I do?

          • joe says:


            for some F***g reason the metro pcs sim card gets married with the phone is activated with and gives the error on other phones, My family just came from overseas and thank God they bring unlocked phones there fore I tested that sim with the same result and their sims worked perfect on my long ago unlocked note 2!!!

            sucks because I flashed the phone lots of times.

            well I think I know more about the phone now hopefully somebody that is running the same issue can realize this process does work and there are sometimes sim issues!!!!

      • Javier says:

        Max how can I reverse the dim unlock and have it work on AT&T again

  6. ac says:

    I can unlock mine after phone lock it displays menu doesnt exist….

  7. captain says:

    when i click on network lock , i am getting error :-

    “menu not exist
    press back key
    current command is 186”

    please reply me what should i do ?? my sim is not working status of mobile is also normal but its a international version :(( thanks

  8. Rog says:

    Do I need a different SIM than came with the phone to do this or can I use the original SIM?

  9. Tristanguy says:

    Would this work on the US Cellular version?

  10. katS says:

    Hi, Im from Philippines. I have an international version of Note 2. Would this method work?

  11. Dan Lee says:

    My note 2 (T-mobile) don’t have a menu call [4] NW Lock NV Data Initiallize. It only has menu up to number [3] Perso SHA256 OFF. It’s missing menu number [4] and [5]
    Please help!!!!!

    • Chadi says:

      Same problem. What should i do?

      • captain says:

        so you can make calls ??? getting error – network not registered ??

      • G7Baker says:

        T-mobile blocked this method in there latest firmware. The only way to get it to work is to downgrade to 4.1.1. Than you can use this method and when your done you can download the 4.1.2 tar file for your phone and flash with odin. Your device will still be unlocked. Hope this helps

    • Ray says:

      My Note II the sgh-t889v (From Canadian Wind Mobile) is very similar to the T-mobile sgh-t889, and it was unlocked by this method..

    • bill says:

      any info on this problem yet, same issue networl lock menu only has 1-3

    • mike says:

      You need to have baseband “” t889uvalk8″” if is is a tmobile note 2

      • bill says:

        thanks mike. after t889uvalk8 it worked great

      • chadi says:

        How do change my baseband I have tmobile note2 v. 4.1.1 with a t889uvall4 baseband
        Pleaase help

        • Tyler says:

          Chadi- I have exactly the same problem, but my Note 2 has a baseband that only works with AT&T. I need it to work with T-Mobile.

          If you have AT&T, we can simply trade phones… Are you interested?

        • bill says:

          File Required(Download by clicking on it)

          Android 4.1.1 T889UVALK8 for Galaxy Note 2 GT-T889
          Odin 3.07

          How to update Galaxy Note 2 T889 to T889UVALK8 Android 4.1.1 Jelly Bean Official Firmware

          Extract Firmware zip file that you downloaded already from above link, you will get a .tar file and some other files.
          Extract Odin zip file and you will get Odin3 v3.07.exe along with few other files.
          Power off your phone. Wait 5-6 seconds for vibration to confirm complete switch off.
          Now, put the Galaxy Note 2 T889 phone in Download Mode by pressing pressing and holding down the Volume Down and Home buttons while pressing the Power button. A Warning! screen will come up; press Volume Up button to enter Download Mode.
          Now run Odin3 v3.07.exe (see Step 2) as an Administrator because Admin privileges is required to complete the process smoothly.
          Now connect your Galaxy Note 2 GT-T889 with your PC using USB cable. A message will arrive under Odin’s message box in the bottom left saying “Added!!”. If you don’t get the same then you should try another USB port (try USB port located in back in your desktop PC). If that too don’t work then you should then reinstall the driver. If you successfully see the “Added!!” message in Odin then you are ready to go in next step. You should also see COM port with a number in Yellow if you successfully added your device.
          Select these files in Odin at respective tabs from extracted T889UVALK8 firmware folder :
          Click the PDA Button, and select the .tar file here with *code* appearing in its name
          Click the Phone Button, and select file with *modem* in its name (leave if there is no such file)
          Click the CSC Button, and select file with *csc* in its name (leave if there is no such file)
          Click the PIT Button, and select the .pit file. Use only if you got it while extracting in step 1 above, otherwise ignore it.
          In Odin window, make sure Auto Reboot and F. Reset Time checkboxes are selected. Also, make sure that Re-Partition checkbox is selected, only if you are using a .pit file (see Step 7.4).
          Double check everything that we mentioned in Step 7 & Step 8 above. Now, once satisfied hit the START button to begin the flashing process.
          Once flashing completed, you will see a PASS message with green background in the left-most box at the very top of the Odin. The phone will then automatically rebooted and soon you will see the Samsung logo. You can then unplug the USB cable to disconnect your device from computer.

          Congrats! Your Galaxy Note 2, model number T889 should now run on Android 4.1.1 Jelly Bean build UVALK8. Go to Settings > About phone to verify this firmware update.


          If Galaxy Note 2 T889 stuck at booting animation after Step 10 then go to recovery mode (press and hold the Volume Up, Home and Power buttons together) and perform Wipe data/Factory Reset task before selecting reboot system now function. In recovery mode use Volume keys to navigate between options and Power key to select the option.

          • Justtesting says:

            Thanks for those directions.

            If I have already have the update to T889UVALL4 do I have to downgrade back to the version T889UVALK8 in order to complete per these instructions? I have tried these on my phone and was missing the “NW Lock NV Data Initiallize” option in my list on the phone.

            Are there any newer methods to work with T889UVALL4?

          • bill says:

            downgrade back to the version T889UVALK8 to unlock then you can upgrade back to T889UVALL4 without loosing unlock. if you desire

          • Harneet says:

            is there a way to do this on the mac?

          • Sunny says:

            where can i get the firmware file.Android 4.1.1 T889UVALK8 for Galaxy Note 2 GT-T889

    • Ashley says:

      Same problem for me too….plz help!!!

  12. Rog says:

    To the author of this article:
    What good is posting this if you don’t indicate which model of phones it works on or won’t respond to questions. Yes, I’m new to owning a Note 2. One thing I learned is to make sure your instructions are correct so as not to brick a phone. Your notice above to NOOB’s is useless as all it does is chase users to various articles on the site to other articles, to other articles, most of which don’t apply to the phone model I asked the question about.
    Not meaning to be rude, but if you are going to write an article and post it on the ‘net and imply that it works for a particular model of phones but don’t take into account in the article of the variations of that model, reconsider your abilities to be a writer.
    You are clearly more educated about hacking phones than the rest of us that ask questions. But If you post an article, have the decency to check it once in a while and respond to the questions. For those of us that clearly don’t know as much how to program or hack phones, some insight and clarification would go a long way to end our frustration. The fact that we even found the sight should indicate a desire to learn something.
    This article reads like saying this works for Fords without saying that if you have a Mustang you’ll have to figure out how for yourself.

    • johnny says:

      Did you ever stop to think that perhaps he has a life…you ungrateful bastard. Seriously the world does not revolve around you. everyone cannot be at your beck and call 24/7. Everything in life is not easy but you probably beg to differ because I can bet a billion $ you’ve had it easy your whole life. The Writer did us a great favor in putting together a step by step article with photos to point you in the right direction.
      Here’s an analogy for you…if you’re lost and ask someone on the street for directions, do you expect them to take you by the hand and take you to your destination? Do you also expect that stranger to followup with you later on to make sure you arrived “safe and sound?” while I’m at it…do you also expect them to tuck you into bed. stop the entitlement attitude and grow up…there I said it…grow up

      • Rog says:

        You lost you bet. I suspect you can’t and won’t pay up as I could really use a billion dollars in this economy. Good move.. making a statement you can’t back up.
        And actually, I grew up in a time when people would actually stop to answer questions because we had manners and weren’t selfless ingrates that can’t respond without being rude. And in some cases, would actually assist them to their destination because we valued people and not things. And many times, yes, if and when we did contact the person again we did inquire of the status. It’s called etiquette.
        No one asked for entitlement, I didn’t ask him to come to my house and tuck me into bed either. I merely asked if he could follow up. I have written several print articles in the past and followed up with every inquiry that was submitted. So I do understand that which I inquired about. The writer did not think the article through to it’s end and possibly made some assumptions. Knowing the variables of the models of phone (carriers) did not take this into account or at least comment that these instructions may not be correct for all vendor versions.

        Grow up and learn some courtesy. I could have chosen to respond to your improper comments with something worse than implying you were a bastard (which I am not, not sure you are, nor even if you know the legitimate description of the term without having to go look it up). BTW, there are worse things than having a person know nothing about you refer to you as a bastard.
        To use your own words, “grow up”. Learn to respond to statements not specifically addressed to you or about you in civil communication terms. He’s a clue, the sooner you do the better off you will be in life.
        If that is not understandable or cognizant, I’ll use a phrase you will be able to understand. “Kiss my ass” because I don’t care what you think or like about what I write.

        To the rest of the readers on this thread, my apologies if I offended as that wasn’t the intention. we all make assumptions. some more than others.

        • johnny says:

          In the field of Psychiatry words to describe your comments would be disillusion and Denial. You long paragraph after paragraph of nonsensical ramblings was of a desperate woman/man who is seeking attention. To some of your ridiculous, irrelevant implications about me…I won’t pleasure your feeble mind with a response. In closing “Rog” I’ll simply say ditto to you douchebag and since you want me to “kiss your ass” I hope when you die they bury you in a dirt Grave with your ass up so that the Crows can have a peck or two at it

      • Rog says:

        It should also be stated that you asked a question as well as I did. So you obviously don’t know everything. You at least got a response the same day. But I see you are still awaiting a response to your 2nd question.I’m still waiting for a simple response after about 2 weeks as are many others posting their questions.

        And yes, I do understand the writer Max Lee has a life. That aside, what business is it of yours? I never asked for, insisted on, nor expected an answer withing 24 hours. I did not criticize him to imply that he does not understand the subject of his article. But I did indicate that the additional information would assist a lot of the article readers. It may minimize additional questions, or not waste the reader’s time if the information doesn’t apply to their phones. In essence, be considerate of the reader and their knowledge which is what is taught in college writing classes ( i don’t know if you ever attended one of those).
        As far as having a life away from computers and phone, I would expect he does as do I. You I’m not so sure about since you wasted your time trying to write a worthless attempt at a scathing response to try to make yourself appear to be a big man. Find a new hobby.

        • johnny says:

          I never asked the Writer a Question previously. Today was my first time on here looking up information about how to unlock my Note 2 since I’m planning a month long vacation overseas. Since you mentioned “manners” previously…haven’t your parents taught you at some point in time “never to assume” anything. I’m not the only Johnny in the world and my real name is not Johnny as I like my privacy. Whatever gave you the impression I never attended a writing class in college because from a purely writing standpoint your numerous typos and grammatically incorrect sentences is overwhelming to say the least. Listen, “Rog” I strongly suggest you “let your hair down” go get laid tonight and have a few beers to further cloud your thought process. In another life your and I might have been a great friends heck we might have even been best buds .”Rog” we can agree to disagree but one thing I think we both can agree on is neither one of us will win this ongoing back and forth and we’re not impressing anyone. Neither of those two assertions were my intention when I replied to you. I gave my opinion….yes it was somewhat profanity laced…you took offense to that and “threw your best punch” …I ducked and gave you back a uppercut and now there you lay on your back for the 10 count:) ***i love contradicting myself:)**happy trails my friend

          • Rog says:

            Actually… your question was posted on the 14th and not today.
            I also never stated you didn’t attend a writing class. ” ( i don’t know if you ever attended one of those)”. Writing class and typing classes are two separate classes.
            I didn’t take offense at your use of the words “bastard” or “douchebag”. It’s possibly indicative of your level to use English in reasonable conversation.
            You’re use of a psychology reference and boxing metaphor indicates a fear of being challenged or questioned. You attempt to be superior and are afraid of failure.
            That a short enough response?
            Don’t go away mad.Just go away.

    • Jim says:

      Just read the post dude!!!! GSM NOTE 2!!!!!!!!!!!!!!!! If you don’t understand what that means, then you shouldn’t be here at all. Plain and simple so take your ignorant self somewhere to complain.

      • johnny says:

        You Sir, have my absolute respect. Thanks for reading and comprehending. I thought I was either going crazy or needed to take some reading classes lol. The nerve of this idiot to complain and try and justify that complaint with lame replies. Have a great weekend my friend

    • johnny says:

      Seriously lady you need jump into your little Spaceship and leave Earth. I don’t care if it’s a “beam me up scottie” or phone ET…who gives a fuck…you’re an obsessed stalker who wants to always be right and have the last word. If you’re in a relationship, end it! Your significant other must be pulling his hair every time you talk. I’ve intentionally withheld my wrath because you’re not worth it. Besides it seems you’re also a sensitive prick who over-analyzes and talks things out of context. Did you respond to what the Person below stated that the Article provided the necessary info? NOPE! and on the 14th someone with the Name John who posted a comment was not me but of course you cannot read and comprehend!**laughs out loud**
      give it up you got “owned” today and can’t shake the feeling that you’ve been reduced to an idiot…again with your nonsensical replies. Do the World a favor and check out! oh wait…you might take that out of context and misquote me as saying you should kill yourself. As great as that sounds I’m sure you’re not in a generous mood but call your local Pharmacy and check out those anti-depressants they’ve been holding for you for a week or so.**read your lame comments out-loud to everyone in this Cafe and they all laughed and simultaneously called you a dick**

    • Max Lee says:

      Sorry if you have troubles, when I first started making these sites, I had the time to answer every question and sometimes I would stay up until 2-3AM to just answer questions, several hours per day.

      But nowadays, I get an email at least every couple seconds, it’s very hard to keep up when there’s only one person working behind the scene. I hope you understand that I try to make my tutorials so the answers are in the post, this particular method works for all GSM Note 2s, that means any Note 2 that uses a micro-SIM card slot (except for the Verizon Note 2 which is unlocked already).

      Anyways, don’t feel angry as even if I don’t respond, there’s many others who are willing to help and answers are usually out there on Google or XDA also.

      • Rog says:

        Thanks for the reply. Didnt mean to infer any offence. This thread would have been quieter except someone insisted on jumping in and not having much patience. Everyone is an expert in something but nobody is an expert at everything (despite what they may think) .

        I did find the answer to my question elsewhere this evening. That said, my understanding of your instructions was clear. As a new person to unlocking a phone I wouldn’t have even looked at this thread except for the supposedly unlock legislation).

        My missing piece of info appears to be that a 2nd SIM card is needed to perform the unlock. Using just the one already in the phone that came with the phone won’t work with this process. You’ll need to get a spare SIM somehow and use it with these instructions. Not a lot of info and easy to overlook if you already have a spare and have done this numerous times.

        The point of my comments to you was advice such that you never assume your audience is as much an expert as you may be. If they were, they wouldn’t be reading it. We were all noob’s of some fashion at least once.

    • johnny says:

      Hey there,
      No…I’m not jumping around feeling vindicated or about to tell you “I told you so” that was not my intention from the beginning. TWO replies to your messages 1 by Jim and the other by the Writer substantiated and confirmed what I’ve been saying all along. Their replies to you is indicative of one FACT. A fact that I’m saddened that “Rog” who’s pompous style of writing might indicate to others that he is a “master of the English language” CANNOT read and comprehend. Don’t bother replying to this message because I’ll be on my way overseas by then using my GSM NOTE 2 overseas. The same GSM NOTE 2 hat with basic, concise instructions allowed me to unlock my phone. Thanks for the laughs Clown…it’s been a blast

    • G7Baker says:

      I am sorry your not smart enough to figure it out. He explained it perfectly. The whole process takes 2 min and if you dont have last option than you need to downgrade your firmware through odin. Im sure Max is to busy to answer stupid questions and how are you going to diss him on his site???….anyways if you cant find his site useful like the rest of us than dont come back…

  13. johnny says:

    Mr Max Lee..great Article and I simply want to say thanks for pointing me in the right direction. Your thinking of people like myself in this predicament is greatly appreciated. Respect from New York City

  14. mike says:

    For everyone not getting”” nv lock data initialize option 4″” , you need to have baseband t889uvalk8. !!!!!!!!!

  15. Tyler says:

    I followed the instruction which seemed to work perfectly, but I’m still not getting service with my t-mobile sim card. I’ve tested the sim in a none att phone with no problems.

    Can anybody help? I need service on my phone.

    • ray says:

      To use t mo you will need aws band at your note 2.

      • Tyler says:

        Thanks- Will you please post a link with a tutorial, or give me a little more direction? In other words, how do I flash an aws baseband on my Note2?

        • Ray says:

          Too bad I don’t know how to change the baseband on the Note 2. I knew that compatible issue, because my note 2 is model sgh-t889v which factory compatible with the AWS band carriers such as T Mo in USA or Wind Mobile in Canada.

  16. David PG says:

    THANK YOU SO MUCH! Bought the phone from Wind Mobile in Canada and they told me it was unlocked…called head office and they said they will give unlock code after 6 months…scammers. You saved me a lot of time and effort. So easy! Worked perfectly!

  17. David PG says:

    BTW, I just wanted to add that the Galaxy Note 2 on Wind Mobile in Canada takes a micro sim but my Galaxy S2 on Mobilicity came with a regular SIM so I called Mobilicity to ask about a micro sim and they said they were 20 bucks and that I can only have one working SIM so if I wanted to use the micro sim in my S2, I’d have to have an adaptor for it…translate to expensive PITA (pain in the ass). So I saw that you can buy Sim cutters for five bucks on ebay and a tutorial on how to use them on youtube and rather than wait two weeks to get the cutter from HK, I did as the youtube producer suggested was possible and took scissors to the SIM, thinking if I mess up, I’ll drop the $20. Well I used the micro sim from Wind as a stencil and traced over the regular sim from mobilicity with a sharpie and cut it down to micro sized, put it in my Galaxy Note 2 and voila, it worked (well, not actually as that is when i found out that the phone was locked, in contradition to what the sales person said! Then I stuck the Wind Sim back into the regular sized SIM blank it came out of (as a pseudo adapter) and put it into the regular sized sim slot on my S2 and that worked as well. So between the writer of this article and the video producer, I saved at least $35 bucks and can use my phones and SIM cards interchangeably. Very happy (apparently doesn’t take me much) so thanks to all in the community who make this stuff possible and share information with us newbs.

    To the person who complained about this article, you’re nuts! It states exactly what to do and if you do it, it works. Why ask a bunch of questions until you try it. He said it works on all Note 2’s so try it and if you have troubles, try again…and if you still have problems, then ask a question but STFU until you get an answer and don’t complain about free information. I’m sure if you offered to pay for the advice, you might get faster service. Never in my life have I seen someone criticized for giving free, valid information and being bitched to by not providing prompt enough service! Sorry free information doesn’t come with a warranty, nut bar!

  18. Ek says:

    I purchased my note 2 in South Korea and I plan to take it back to the states to use with AT&T will I need to root it?

  19. sebastian cheung says:

    once i go into network lock. i dont get the option for #4 NW Lock NV Data Initiallize. i dont know what i did wrong?

  20. Mahantesh says:

    Hi I am Mahantesh from Indian, my Brother Gifted me an AT&T note 2 from USA and following the above process I am able to successfully unlock to Vodafone network here in India.

  21. sharif says:

    hey i did all waht u said it shows sigla bars but says emergyncy calls only i did with my sim card wind and do i have to use other sim card or the same ? because it says a emergency calls only

  22. Peter78 says:

    I’m following ur all ur step, but my note ll doesn’t show (4) NV lock on my phone. mode ( t-mobile galaxy note ll T-889) help please….. Guys

  23. hem says:

    Thank you very much… worked for my samsung galaxy note 2 AT and T…quick and easy to do…hats off to the developers……

  24. Khatana says:

    I tried it on my Note 2 locked on EE and works perfectly well. Thanks a lot.

  25. Ekson says:

    Hey i’m trying to unlock this note 2 and I do not have the “NW Lock NV Data Initiallize” option…..Can someone help me out? This is a SGH-T899 from T-mobile. I put the SIM in (Solavei) and it just says “searching” but never finds any signal. Please helpp.

  26. Bryan says:

    Hey Im Trying This On My Galaxy S3 And I Dont See The Option 4 And 5, My Baseband Version Is I747MUMLL1 And Im On 4.1.1. My Model Is SGH-I747M CAN Some One Heelllppp Meee Pleaseee!!!

  27. sunny says:

    pls help me! i did the steps and did the step to turn off SHA256 OFF and wait 30 seconds. i went back through menu and it doesnt have the option “NW Lock NV Data Initiallize”. what do i do! please help i want to use my phone!
    its a mobilicity phone t889v.

  28. Alex says:

    So I pressed the “PERSO SHA256 OFF” menu option and waited. Once going back to the previous screen I don’t have the 4th menu option. I have an AT&T Galaxy Note 2. Is there something I’m missing, or possibly not doing correctly? I also factory reset and that doesn’t seem to work either.

    • Alex says:

      I’m an idiot and didn’t look to see someone directly above me posted the same exact comment… My apologies, and thanks in advance for any help.

  29. Joseph says:

    Ok It worked the first time. Soon as I restarted the phone it forgot it. Many more tries till it worked again. Restarted again and it forgot. ?? Help? What can I do to make it work all the time?

  30. Kevin Swank says:

    I followed the instructions and it worked great. Problem is I went from att to t-mo and now I dont get 3 or 4 g. I get the edge I guess its called.any easy remedies to this or how do I fix this or can I? I know a
    I hope u can give me a fix.

    • Joe says:

      Ok so basically tmobile right now is updating all their towers aka the reboot. Just cause you have an AT&T phone that used to get 4G doesn’t on tmobile cause it is still made to only work with that carrier. But with the reboot on tmobile it will now get 4G soon as the towers in your area get it. I am on Solavei which uses tmobile towerrs and they pay you to share solavei with others. I had a AT&T Galaxy S3 and only on edge but as of last week 4G started. They are starting with the biggest cities first then moving on, in addition to adding more towers.

  31. Shan says:

    my note 2 does not have the nw initalize button in the end i dont know what to do can somebody help me

  32. paul says:

    u just have to follow How to Unroot/Unbrick Galaxy Note 2 with Stock Firmware!
    from this site than you can do the unlock

  33. Heriberto says:

    Hi all, this is the first time I write on the page, but I want to be grateful. Max want to thank Lee for his great work, I vote A + + + + + + + +. Thanks for sharing these great tutorials.

  34. G7Baker says:

    Hey i got a question….. I got an unlocked At&t Note 2 SGH-i317 on T-mobile. Can i Flash t-mobile roms or just at&t roms? I am currently using Clean Rom and i love it but i want another good Backup Rom.

  35. Luis Henriquez says:

    Can I upgrade my tmobile t889 to the new tmobile official 4.2.2 update without losing the free unlock?

  36. Eddie Duarte says:

    I actually dont have option 4 of the very last step not sure if im doing something wrong im running android 4.1.2 on att galaxy note 2

  37. Superluke says:

    Same as previous posters, but with an i317 from Rogers. NW lock NV data initialize isn’t there.

    • G7Baker says:

      Hey are you running 4.1.2??? if so you need to down =grade the previous firmware. Unlock and then upgrade back to 4.1.2 and you will still be unlocked

  38. gaga says:

    I am using galaxy note 2 in Austria with 3 (Drei) network. I had 4.1.2 and I couldnt do the unlock. Menu doesnt exist. So I downgraded to 4.1.1 and still the same problem… Any solution? Which software should I download? Please help me…

  39. Ahlfs says:

    Worked flawlessly 4/12/2013 on my wife’s AT&T Galaxy S III SGH-i747 and in my T-mobile Galaxy Note II SGH-T889, we swapped sim cards and everything works perfectly! Cant thank you enough! USA this method still works fine!

    People having trouble just follow the instructions if your in the USA I can say this works 100%

  40. Miclo says:

    If you want this to work you have to go back to stock MODEM.
    This method is modem specific, as the service mode commands vary by modem.
    Note: After ‘Press [4] NW LOCK NV DATA INITIALLIZ’ step the phone reports ‘ PERSO_NV_INIT is SUCCESSFUL’, then it’s safe to reboot.
    Confirmed that IMEI is intact following network unlock

  41. shashank says:

     i m on verizon note ii but i m unable to make calls , it shows that network is notregistered. can anyone give me any solution?i m trying to use verizon note ii in India on Vodafone GSM

  42. Rajat Miglani says:

    I have unlocked samsung T889 running T889UVALL4. I am getting the network signal but cannot make calls , whenever i try to call its says not registered on network . Please Guide.

  43. SCB1898 says:

    WOW! I cannot believe this worked. Thanks a bunch. I successfully unlocked my T-Mobile Galaxy Note 2. Now I can use it on AT&T and then switch to T-Mobile when they bring LTE here!!!!!

  44. buggaBoo says:

    am I able to use my verizon galaxy note 2?

  45. James says:

    Does it work for e250 model(Korean model)?

  46. Samantha says:

    I have followed all instructions but when I press back there is not the option #4 NW Lock NV Data Initiallize”, how do I get that to show up to unlock this Device. It is a T-mobile samsung galaxy note 2?

  47. hi there says:

    Max, will you please update this article to mention that on t mobile ‘s note 2 if you’re on 4.1.2 you need to downgrade first, a lot of people aren’t reading the comments and then wonder why they can’t get it to work. (Me being included) anyways I’m not sure if I ended up messing mine up or what but since I upgraded my firmware to 4.1.2 I’m no longer unlocked. Thanks for the article though, sucks t-mobile had to update the baseband and get t-mobile note 2 users panties in a bunch after getting 4.1.2 and having them fuss about it not working.

  48. SU says:

    Hey, I have Galaxy S3 (Virgin Mobile Canada) and I wanted to unlock my phone so I can use it in Korea. I got my unlock code by paying the unlock website, but it says “no registered network” when I insert Korean SIM card (KT)… Is there any other way I can try to unlock my phone? :'(

  49. bob says:

    do i have to insert the sim or can it work without a sim?

  50. Micheal Barnett says:

    Why am I missing options 4 and 5 in my service mode once I go to network lock I only have 3 option instead of 5 please help me out with this plz is it because I’m rooted or what

  51. arsonone says:

    Can any of you point me in the right direction of a free unlock for a Galaxy Note i717? The first gen ones and also give me some information on this 4G software tweak for other networks?

  52. aman says:

    hii maxx
    I have a galaxy note2 which was reported stolen in India earlier this year..
    how can I unlock and use it without getting in any kind of trouble

  53. Marin says:

    Found this very useful although i still have problem. I get up to Step 7. Choose “Perso SHA256 OFF” and wait about 30 seconds. My problem is that options 4 and 5 in the servicemode menu do not appear for me?

    So i only have

    [1] PERSO SHA256 info
    [2] PERSO SHA256 ON
    [3] PERSO SHA256 OFF

    I have nothing else after that to be able to complete step 8

    Any suggestions?
    Same thing for me. Just turned it on one day and i get this crap. Its only 3 months old too. 🙁

  54. Savio says:

    hey Max, 10ks man, followed this procedure to get my t-mobile sim card to work on a AT&T samsung galaxy note 2 , I317 model. I observed that internet tethering(Mobile hotspot) is still locked out, it is not allowing me to enable it (message reads – mobile data is not available or invalid sim), can you help get this done without rooting ?

  55. adane says:

    How did you know open sim card my phone locking how did you open my phone

  56. felipe says:

    How to Unlock SIM for FREE on GSM Galaxy Note 1 sgh-717

  57. felipe says:

    ..How to Unlock SIM for FREE on GSM Galaxy Note 1 sgh-717

  58. jorge says:

    I fuckin love u haha, just got my note 2 and just got to downgrade it to 4.1.1 and voila, it’s now unlocked, thanks so much!!

  59. Sunny says:

    where can i get the firmware file.Android 4.1.1 T889UVALK8 for Galaxy Note 2 GT-T889

  60. nelson says:

    i download and installed “Phone Utility”, the how to downgrade the SGH-i317 from 4.1.2 to 4.1.1?

  61. Note2 says:

    I am needing to know how to downgrade my us cellular note 2 from 4.2.1 back to 4.1.1 how do I do that?

  62. swapnil says:

    thanks buddy it worked with my galaxy s3

    thank you so much

  63. Ronald Sweet says:

    Hey, for everyone here having problems with this procedure, I wanted to help clarify things a bit, hopefully the following will help you;

    Learn about your version and your service provider of the Galaxy Note 2 here

    Go to and register, it is free –

    once registered and logged in go to their firmwares page and enter your model # in the search (from the wiki page) download ver 4.1.1 and flash your Note 2 with Kies (from the sammobile page) andf the procedure using the dial pad works flawlesly

    then go back into sammobile and download the latest firmware (currently 4.1.2) and upgrade your Note 2 with Kies.

    I’ve done this exactly and my SIM is unlocked.

  64. Tyler says:

    I have two note 2’s, one from AT&T and one from tmobile and this does not work on either device? any help? When I get to the menu key and back button the option is not available for me to select “NW Lock NV Data Initiallize” any help? thanks

  65. magdy says:

    the step ” NW LOCK NV DATA INITIALIZE ” doesn’t exist in my phone

  66. frankie says:

    It works but after a while my at&t note 2 says no Sim please restart phone. How can I fix that?

  67. Nbilal says:

    Worked a treat! For those of you running 4.1.2 or later, make sure to follow these directions closely (I wasted a lot of time until I found out you have to factory reset after flashing the downgraded ROM):

  68. jay says:

    hey max, how come i cant see the “NW Lock NV Data Initiallize” in the step 9?

  69. JJ says:

    Hi Max,

    First of all thanks for this great site and taking time to answer my question.

    I have a Note 2 from Verizon SCH-I605, I tried inserting a foreign simcard and it reads it though when you try data it says you need a global data package from Verizon. Is there a way to unlock the phone completely? How do I root it?

    Sorry I’m new to all this Android.
    Thanks in advance

  70. juan says:

    i use this tutorial for my note 2 sgh-i317m ( telcel mx) and downgrade my device to 4.1.1 and now can use other company, (movistar) the question here:
    if reflash to telcel rom, the note 2 continue free? or loss this whit the reflash?
    thanks for the tutorial

    sorry for my bad english….

  71. Bina says:

    After [6] Network Lock, there is no “NW Lock NV Data Initiallize” . What do I do?!

  72. david says:

    Max how can I do it on s3 its not working please answer

  73. Mark says:

    Hey! I saw your video and I currently have a Korean Samsung Galaxy Note II and I’m trying to unlock it so I can use it for T-Mobile here in the states. Is there anyway?

  74. Ravi Sangwan says:

    I have samsung note 2 but in network mode doesnt show GSM mode

  75. Harvey says:

    I’m from Japan and updated my galaxy s3 from version 4.0.4 to 4.1.2, when dialing the mentioned unlock “*#197328640#” it didn’t show the service menu.. wondering what went wrong, when I was in 4.0.4, the “*#197328640#” is still working but can’t be unlock because of the late version that I have.. Any suggestions will be appreciated.. 🙁

    • Ronald Sweet says:

      This functionality has been removed from ver 4.1.2, however if you downgrade to ver 4.0.4 this functionality is available so you can unlock your SIM and then upgrade to ver 4.1.2 and your SIM remains unlocked.

  76. madeline says:

    Thanks for the information I have a problem,after step 7 SHA256 off I get this message
    SHA256_OFF=>Not Change

    After, I press the back button and ge the normal home screen. I didnt attempt to do it again,im afraid to break my phone.

    • CNPthe3rd says:

      you should NOT be hitting the “back button” you should hit the menu (left side) and that brings up a pop-up menu with a back option

  77. Rod says:

    One thing everyone seems to be forgetting is that you can get your phone unlocked by paying a fee to your telco and they AREN’T going to be flashing an old rom to do it now are they…
    So suggestions of reverting to v4.1.1 don’t add up.

  78. Javier says:

    Hey max I need help I unlock the sim on my att galaxy note 2 for my wife to work with tmobile but she just came over to AT&T can u help me bring note 2 back to AT&T in other words reverse the sim unlock to have note 2 back to normal

  79. joe gardiner says:

    i have the n7100 its locked to 3uk but ive tried doing it this way and its not letting me go into network lock it and just comes up with menu not exist current command is 186 what should i do ?

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  81. SHIRAJ says:

    I have followed the following steps in order to unlock my phone:
    >key input 1
    >UMTS main menu
    >[1]Debug screen
    >[[8]Phone control
    >[6]Network lock
    >[3]PERSO SHA 256 OFF after press this I found following message

    >SHA 256 ENABLE FLAG [0]
    * Even after go back i go BACK i get
    [1]PERSO SHA256 Info
    [2]PERSO SHA256 ON
    [3]PERSO SHA256 OFF I’m really missing [4]NW Lock NV Data Initiallize WHAT IS THE NEXT STEP SHALL I DO? PLEASE HELP ME…..


  82. 13th says:

    Zedomax I need a video exactly like this for moto x. I am using it for Walmart Family Mobile but am only getting 2g speed. I don’t know if it’s due to wrong apn settings or if my moto x is completely unlocked? Ty so much, please help. 🙂

  83. sara says:

    I got sb else’s mobile to look. It was Canadian Note 2 carrier locked. Somebody tried to unlock it, I don’t know what he did but now it doesn’t ask for unlock code nor it connects to mobile network.
    Since it was Android 4.3, I flashed an old radio from 4.1.1 to get this NW lock..and I did. But pressing it doesn’t change anything.
    WiFi works so radio is fine. BUT still don’t have mobile network. So I don’t know what next.

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  85. Tido says:

    Hey if i unlock my galaxy note 2 fir verizon can i use it under virgin mobile?

  86. Janet DuVall says:

    HELP Zedo, I got the unlock code from T-Mobile for my T-Movile Galaxy Note 2., I am unable to unlock, currently on 4.3, afraid I tried too many times, maybe locked forever, hope not, also heard no one can downgrade to earlier stock from 4.3. Like others I only see
    [1] PERSO SHA256 info
    [2] PERSO SHA256 ON
    [3] PERSO SHA256 OFF, I called T-Mo support they of course are ‘escallating it’ is there any hope for me to really get unlocked, can I at least maybe use a T-Mobile MVNO I hope… what to do…

  87. Fato says:

    I do not see any option under my network lock do I need to restore phone?

  88. amir says:

    ich komme nicht in den service modus ……
    wie komme ich in den service modus rein

  89. bella says:

    Do you know why my phone from U.S Cellular get that menu after you put the dial in?

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  92. ed says:

    Thanks to all, the instructions worked and now I got rid of tmobiles high prices that I’ve paid for years and now have metro pcs.

  93. chris says:

    Ok I understand the process. My troubles are finding the correct firmware for my I317 from at&t. Most of the sites that offer the root process have links but there all old and not working links. Can you help me find the 4.1.1 firmware download thats proper for my at&t note 2 I317 with version 4.4.2 please and thank you.

  94. bill says:

    GOOGLE I317 4.1.1 firmware you will find it

    • chris says:

      I’ve read online where it says to never downgrade from 4.4.2 back to 4.1.1. Is this a safe downgrade? Will it mess up anything?

  95. bill says:

    believe you just need to flash the 4.1.1 radio only, if i remember correctly

  96. RKM says:

    Does not work for my i317. After I go to the step 8 in waiting for 30 sec, then hit the menu button and BACK, Step 9. Choose “NW Lock NV Data Initiallize” is not there.

    So what do I do?

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  100. kenshiru says:

    Will you please help me Sim unlock Galaxy note 2 korean ver.?

  101. Victor says:

    I do it for in my sgh-t889 from tmobile to use a Boost Mobile(sprint) sim card on it but it doesnt work. Someone can help me?

  102. damn says:

    They shouldn’t have spammed me.

  103. edcelmerene says:

    hi i need a little help here do you havea tutorial for samsung J100ML

  104. Freddi says:

    My galaxy note 2 wont unlock option number 4 nw intializer doesnt exist on my phone

  105. Joe says:

    i know this is a older post but really need to get this phone into verizon for my daughter……have a att galaxy s3 i747 running android 4.4.2, i can get through all the steps except the last one where is says “NW lock nv data initializer” all mine shows is “rat free support on”,,any suggestions?

    • bill says:

      read thru posts above. everything is there, its ben so long i dont recall but its got something to do with the version your on. look above for all answers

  106. Art says:

    before you posted your “magic” you should warn everyone that this works only with version 4.4.1. For version 4.4.2 please download here ….
    Otherwise almost everyone is asking you why that option 7 doesn’t work

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  108. omar says:

    still working!!, i follow the instruction, downgrade mu old galaxy s3 to 4.1 1 and now is working flawless outside US.

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  1. April 18, 2013

    […] this tutorial is pretty good How to Unlock SIM for FREE on GSM Galaxy Note 2! | Galaxy Note 2 Root! […]

  2. November 22, 2014

    […] How to unlock sim for free on gsm galaxy note 2! | galaxy […]

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