Galaxy S II

How To Update Samsung Galaxy S2 GT I9100 to XWKH4 Gingerbread 2.3.4 Firmware

Samsung Galaxy S2 LogoSo, after the Galaxy S which recently got a fresh new update of Gingerbread 2.3.5 you too might have expected a 2.3.5 Gingerbread release for your Samsung Galaxy S2 but you will need to wait further more. But before that an all new firmware update in the form of XWKH4 has arrived which is basically a Gingerbread 2.3.4 leak. Though we don’t have an exact change log on what’s changed and what’s not, we can only guide you on how you can update the same on your Galaxy S2 Phone. So, in the due course of this update we will check out the same.

Please note that anyone with their Samsung Galaxy S2 GT I9100 can proceed with this article to update their phones with this Gingerbread XWKH4 release as it’s a global beta release. It’s not recommended to update this firmware on the network locked phones as this may unlock or do damage to the phones which may or may not be a reversible process.

Note: Strictly all the mentioned instructions needs to be followed which are mentioned in the due course of this article or else you may end up bricking up the phone.

Of late it has been found that users select different options like the “Re – partition” etc. which should not be done until and unless mentioned in the article. Many users brick their phones by not following the instructions.

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  1. Gill

    November 22, 2011 at 10:56 pm

    I am trying to root my sprint samsung galaxy s2 running 2.3.4 i just bought it how do I root it

  2. Abdulkader

    November 21, 2011 at 1:17 pm

    i check my galaxy 2 ,there is no IMEI Number ,no network also how to fix this problem please help me
    PDA : I9100JPKG2
    CSC : I9100OJPKG1

    • NeaL Pradeep

      November 21, 2011 at 1:55 pm

      yes you can apply with this update!

      • Abdulkader

        November 23, 2011 at 10:18 pm

        the same no network , PHONE : UNKNOWN

  3. Raj Mahay

    November 5, 2011 at 3:25 am

    Hello NeaL,


    Please tell me which Firmware file i need to update to 2.3.4.

    If the file you name is updated via odin, will Kies show me future updates

    Many Thanks,

    • NeaL Pradeep

      November 5, 2011 at 2:13 pm

      its not recommended for the n/w locked devices!

  4. Byron

    October 27, 2011 at 8:07 am

    Hi Neal Pradeep!

    I hope you could possibly give me some advice. I have put the info on the forum here:

    I appreciate it if you could assist me. Thanks!

    • NeaL Pradeep

      October 27, 2011 at 1:42 pm

      you can apply this update in your phone!

  5. afra

    October 23, 2011 at 11:04 am

    PLZZZZ PPL … just question about this stock ROM .. not any other thing like “give me a link to lastest kies” and …///

    there isnt just one forum to answer fro neal ..there are many of pages like this in this site . he has a life ..HAVE SOME RESPECT AND just question about this ISSUE GUYS!!!!!!

    • NeaL Pradeep

      October 23, 2011 at 6:19 pm

      Hey afra, its alright our team is dedicatedly working on all your queries! 🙂 You can ask all your Android queries! We are passionate about Android!

  6. jay

    October 17, 2011 at 9:22 pm

    i open odin and the put my s2 into download mode, no drivers are loaded but i get an option on phone saying ” if u want to download a custom rom then press vol up key or press vol down key to restart the phone.. what do i do?

  7. maryann

    September 27, 2011 at 1:25 am

    i have firmware version 2.2.1 it sucks i am new to this can u please help it says back everything up how do i do that thanks in advance

  8. Arnab Naha

    September 25, 2011 at 12:33 am

    i am from india, i have 2.3.3 in my phone (SGS2) when will the official 2.3.4 or 2.3.5 be available over the kies?

    • NeaL Pradeep

      September 25, 2011 at 8:21 pm

      It is not available with the KIES as of now but it will be very shortly on ANdroidAdvices, stay tuned!

  9. coolaj28

    September 22, 2011 at 8:25 pm

    m from india. will it root the phone?also it is a beta release that means it is not fully stable. its not official in india yet. whats the diff b/w 2.3.3 & 2.3.4.

    • NeaL Pradeep

      September 23, 2011 at 12:43 am

      yes it is stable you can update with the same!

  10. kevin

    September 21, 2011 at 11:15 pm

    i meant the latest official firmware that Samsung given through kies or any older one but it must be official
    which is given through kies (so i can up date the same through kies to a newer one)
    you will be having a link for that

  11. apollos

    September 21, 2011 at 1:46 pm

    regarding the update as i’m new to all of this i have Android verion 2.3.3, Build .xwkF4 CAN I USE THIS UPDATE? 🙂

    • NeaL Pradeep

      September 21, 2011 at 2:42 pm

      yes apollos, you can proceed for updating with this version!

  12. kamal

    September 21, 2011 at 12:43 pm

    You have not replied to my post about “change log”

    and secondly, get a better hosting, website doesnt open most of the time. I could help here, I have VPS myself.

    Let me know if you need any help.


    • NeaL Pradeep

      September 21, 2011 at 2:45 pm

      Since its a beta firmware, exact change log is not mentioned!

    • NeaL Pradeep

      September 22, 2011 at 9:58 am

      exact change log can’t be updated as its a beta release!

  13. Bao Tuan

    September 21, 2011 at 10:54 am

    I have upgraded successful.

    Thanks 😀

  14. peterloyola

    September 19, 2011 at 5:02 pm

    How could I get my previous baseband
    xxkf3. Now it’s xxkh3.

    • NeaL Pradeep

      September 19, 2011 at 10:46 pm

      to get you need to follow the corresponding article at, WE WILL SOON COME OUT WITH THE SAME!

  15. Paul Thomas

    September 19, 2011 at 4:18 pm

    Hi ,
    I bought a samsung galaxy s2 from china yesterday.
    My firmware is
    Android version: 2.3.4
    Baseband version I9100ZNKG5
    Kernel Version:
    Build number: GINGERBREAD.ZNKG5

    I am finding it very difficult to use this phone in chinese. I wanted to change this to english version.
    Please suggest what i am supposed to do?
    Please help.

  16. omar

    September 19, 2011 at 3:49 pm

    HI Neal

    Do you think that the 2.3.5, is gonna have cool looking firmware or the same ugly design that we have now?
    and is there any major changers (additional apps, improve the market apps, support the Arabic language ) or only minor changes?

  17. azman

    September 19, 2011 at 1:24 pm

    after root to 2.3.4, baseband cis unknown. cannot use sim card. how to solve it? need to change board? please help me…

    • NeaL Pradeep

      September 19, 2011 at 1:40 pm

      was your phone a network locked handset?

      • azman

        September 20, 2011 at 8:28 am

        i’m not sure. service person told me should change the board. how to get back baseband and imei number? any idea?

        • NeaL Pradeep

          September 20, 2011 at 11:04 am

          how can you lose the IMEI Number?

  18. kamal

    September 19, 2011 at 11:54 am

    Change log would be great 🙂

  19. dr salil

    September 19, 2011 at 9:09 am

    I do’nt know if this problem is unique to my phone or is general,once or twice a day when a calls comes the “accept”icon does not respond however “the reject” icon remains fully responsive.I thought the “liitening” rom is producing problem so I updated it with this update and even now the problem is same.Any help.I am from India and now my version is-

    • NeaL Pradeep

      September 19, 2011 at 9:13 am

      have you tried installing he fw again?

      • dr sslil

        September 19, 2011 at 4:13 pm

        No,I did not try anything

        • Abhishek

          September 19, 2011 at 9:29 pm

          I faced this issue once. But it was a temporary issue caused by some problem at network’s end.
          I switched my phone to 2g network for the next few days and the problem was gone.

  20. Binu Soman

    September 18, 2011 at 11:57 am

    I am facing one problem with my galaxy s2. It getting off by automatically and after it is not getting on after pushing the on buttton also. And the battery empty signal is showing even if it is charged. Any body can advise me what to do?

    • NeaL Pradeep

      September 19, 2011 at 1:39 am

      which version you are on currently?

  21. Gaurav

    September 18, 2011 at 10:27 am

    Hi Neal,

    Can you please give me a link for any latest kies release or any kies release firmware for SGS2.

    • NeaL Pradeep

      September 19, 2011 at 1:41 am

      you can download from the Samsung’s official website!

  22. Zeyar Wynn Tun

    September 18, 2011 at 12:05 am

    Which one should I choose:
    XXKH3 or XWKH4 …?
    Which one is newer, more stable…?

  23. Sergio

    September 17, 2011 at 7:04 pm

    Cannot open 2nd and 3rd page. Am I the only one who have this problem?

    • NeaL Pradeep

      September 19, 2011 at 1:53 am

      what is the error message you are getting?

  24. praden

    September 17, 2011 at 11:19 am

    hi after i update this can i update it to lightning fast rom?

    • NeaL Pradeep

      September 17, 2011 at 11:21 am

      yes praden you can easily update the same!

  25. dr salil

    September 17, 2011 at 9:04 am

    can I apply liitening rom after this and if yes what will be the procedure?

    • NeaL Pradeep

      September 17, 2011 at 11:07 am

      YES YOU CAN apply the procedure by following the above procedure!

  26. Minh

    September 16, 2011 at 8:55 pm

    How can i root samsung galaxy s2 with this android 2.3.4 XWKH4 ??

    • NeaL Pradeep

      September 17, 2011 at 1:37 am


    • Praveen

      September 19, 2011 at 6:15 am

      Simple, after updating to this you can flash the rooted kernel of KH3 to get root and later flash the KH4 stock version available in XDA…

  27. Ankur

    September 16, 2011 at 8:38 pm

    Hey Neal,

    When to you expect the 2.3.5 update for S2 to be available ?

    • NeaL Pradeep

      September 17, 2011 at 11:14 am

      it should be there within a month!

  28. Peterloyola

    September 16, 2011 at 4:36 pm

    May I use this firmware update in my sgs2

    • NeaL Pradeep

      September 16, 2011 at 5:29 pm

      yes you can update your S2

      • PeterLoyola

        September 16, 2011 at 8:37 pm

        Thanks Neal, for your information

  29. steve

    September 16, 2011 at 12:23 pm

    Hi neal
    ive got a uk o2 branded phone payg sgs2 which has been unlocked ( code from o2 )
    i am trying to debrand it so was wodering if i could apply this fw
    my phone stats are
    pda: I9100XWKE2
    phone: I9100XXKDJ
    csc: I9100O2UKE1
    sorry in advance as im a noob and have never flashed fw before
    thanks in advance for any help

    • NeaL Pradeep

      September 16, 2011 at 2:08 pm

      yes steve you can apply this firmware update!

      • steve

        September 20, 2011 at 11:51 am

        Hi neal i applied the fw everything went good except now my stats are
        Pda: i9100xwkh4
        Phone: i9100xxkh3
        Csc: unknown
        If i flashed this stock rom (306.14 MB) would it be ok

        • NeaL Pradeep

          September 20, 2011 at 3:08 pm

          yes steve its perfectly alright!

        • steve

          September 20, 2011 at 9:00 pm

          Thanks for your help

  30. Rohit

    September 16, 2011 at 12:22 pm

    Hi Neal,

    Thanks, Can you direct me towards reinstalling the stock ROM that came with the phone?
    I did use a software ‘Odin recovery’ I think that copied my entire flash and backed it up. is that the only way?

    • NeaL Pradeep

      September 16, 2011 at 2:08 pm

      you are from which place and what was your default firmware version?

      • rohit

        September 17, 2011 at 1:58 pm

        I’m in India. Had the version that came with the phone. Then flashed to xxkg6. wanted to kjow if its possible to switch back to the stock version.

        • NeaL Pradeep

          September 19, 2011 at 1:57 am

          yes its very much possible to switch to any version!

  31. Omar

    September 16, 2011 at 11:41 am

    Hi Neal.

    is this version of firmware is better than the lite’ning ROM v6.1 xxkh3 or No?

    plz don’t answer me by saying “Yes u can update this one”, i know that i can update to anything.

    plz if ur answer is yes for this version of firmware if it is better than the lite’ning ROM v6.1 xxkh3 , just tell me y is it better

    thank you.

    • NeaL Pradeep

      September 16, 2011 at 11:48 am

      can’t compare both ROMs as one is custom rom and one is the Stock ROM! You can try with the same as individual choices are different!

      • Omar

        September 16, 2011 at 12:29 pm

        thank you

  32. kevin

    September 16, 2011 at 10:41 am

    sorry i forgot to mention i need firmware for regular kies Indian version….

    Thank you …

  33. kevin

    September 16, 2011 at 10:39 am

    hi Neal

    can u pls give a link to change back SGS 2 to the regular kies version…..

    PLS its urgent…

    • NeaL Pradeep

      September 16, 2011 at 11:30 am

      as of now kies version of fw is not released!

      • kevin

        September 21, 2011 at 11:22 am

        thank u for the reply

        i meant the latest official firmware that Samsung given through kies or any older one but it must be official
        which is given through kies (so i can up date the same through kies to a newer one)
        you will be having a link for that…..

  34. Rohit

    September 16, 2011 at 9:06 am

    Is this a version above the XXKJ6 update?
    Can you also confirm that Google Video and voice chat got re-enabled? I lost it on the XXKJ6 update.

    • Rohit

      September 16, 2011 at 9:08 am

      Mean’t XXKG6 sorry

      • Rohit

        September 16, 2011 at 10:22 am

        and this is 2.3.5 and not 2.3.4 Sorry for the Noob post above. Please delete 🙂

    • NeaL Pradeep

      September 16, 2011 at 11:35 am

      hey rohit, you need to check the same by installing it!

  35. William Wong

    September 16, 2011 at 7:50 am

    Hi Pradeep,

    Can this update work without the rest of the files for the PIT, PHONE and CSC?

    • NeaL Pradeep

      September 16, 2011 at 11:37 am

      yes, simply follow the instructions, ti will surely work!

  36. Omar

    September 16, 2011 at 6:10 am

    The article above doesn’t look cool.

    Hi Neal. Am waiting for ur suggestion.

    • NeaL Pradeep

      September 16, 2011 at 11:38 am

      hey Omar, what do you mean by it doesn’t look cool? Let us know on what you think on this article as we will try to improve the same if any required!

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