`` How To Update Samsung Galaxy S2 GT I9100 with XWKK5 Gingerbread 2.3.6 Firmware - Android Advices

How To Update Samsung Galaxy S2 GT I9100 with XWKK5 Gingerbread 2.3.6 Firmware

S2 XWKK5 LogoSo, for all those who are having the most powerful smartphone which is Samsung Galaxy S2 GT I9100 can now update their  phones with the latest version of Gingerbread 2.3.6 version. This update comes at a time when last time not many users were satisfied with the last version which we saw with the version as XWKJ3 Gingerbread 2.3.5 version. The firmware version which we will be seeing in the article is dubbed as the Gingerbread 2.3.6 XWKK5. To make things simple, we have simplified this article for you wherein you are just 1 step behind applying this update and which is the list of pre Requisites instructions which facilitates the smoother and safer firmware update.

Please note that this update should only be applied by the users who are having the UNLOCKED Samsung Galaxy S2 phone only with the model number as GT I9100. If you proceed with updating the locked or the network contract phones then you will no longer be able to avail the warranty and also the phone too may get bricked for which we should not be held responsible. Since it’s a global release, anyone with their Galaxy S2 I9100 phones can apply this update. This update doesn’t support other models like Galaxy Sky Rocket or say even Samsung Mesmerize, captivate etc.

Disclaimer: Please note that we should not be held liable or responsible in any manner in whole or in parts if anything wrong happens to your device which is the most unlikely if you follow the instructions as prescribed in the due course of this article and also apply the mentioned update only on Samsung Galaxy S2 GT I9100.

Rooting Information:

  • Rooting basically gives the third party files to access the system level files to make the required customizations but applying this firmware won’t need the root access. Also, the best part of this XWKK5 firmware is that it not only un roots the device but also after updating you can claim back the lost warranty which gets void generally once you root he device.
  • Just in case if your phone is already rooted, then you will be losing the Root access after applying this firmware.
  • We will also soon come up with the article wherein you will be easily able to root the phone on the XWKK5 Firmware

So, let’s proceed to the list of pre Requisites which you need to follow from the below mentioned link. Once you finish following the instructions which are mentioned below you then need to proceed to next page for detailed instructions on how to apply this Gingerbread 2.3.6 XWKK5 firmware.

Pre Requisites to be followed before proceeding to the next page


  1. Hello,
    how can I update my phone
    CSC: I9100 JPKJ1
    2.3g GinderBread.JPKJ2.
    please advise how can i do the update please.


  2. Hello, i currently have the rooted 2.3.3 i9100M, UGKG2. Kies shows my phone is has latest version and will not show any updates. Is this because the phone is rooted and will not allow me to update. And if that is the case, do i have to continue and use Odin to upgrade manually.

  3. hey man i can’t find the password for the zip file can you please tell me :)

    thanks in advance ^^

  4. Hi
    Since upgrading from Official KIES firmware 2.3.4 to 2.3.5 via the Jayce Ooi’s method / Dutch/European version then 2.3.6 OTA I have found that when I fully charge the battery with the phone OFF or ON via USB or POWER OUTLET, when disconnected it returns a battery life of 97%.

    I have done a full cycle of discharging and recharging my phone but still the same issue.

    I’m pretty sure 2.3.5 for the first couple of days did not do this.

    Would you be able to advise why this might be and if this has been an issue with 2.3.6?

    Thanks in advanced.

  5. Pradeep Neela,

    My Galaxy S2 is bricked after a failed update using Kies. Recovery mode isn’t available, only Download mode works. I’ve been reading your guide and was thinking of giving it a shot as a solution. Problem is because my phone is bricked i can not confirm if it is locked/unlocked and haven’t taken any actions yet. Any suggestions?

  6. Hi there,

    I have Samsung Galaxy S2 and I have tried to update it via Kies but I always receive following message:

    Your device does not support software upgrading via Kies.
    current frimware version : I9100XXKG6
    current android ver. is 2.3.4
    the device is sim lock free and bought in Holland. please help!

  7. Pradeep Neela,

    my Samsung galaxy s2 GT-I9100 has 2.3.5 version and i would like to update firmware to 2.3.6 official firmware using Kies but it keeps telling that i have the latest firmware installed. i dialled *#1234# . The result:

    PDA:I9100 JPKJ2
    PHONE: I9100 XXKI4
    CSC: I9100 JPKJ1

    please let me know whether i can update my firmware.. Thank you

  8. Hi
    it is not letting me download the file
    what should I do ?

  9. hey there,
    the link is not available
    It says that the connection was reset…………so m not being able to download it …………….
    does it affect where I’m downloading it from ……….I’m based in Australia

  10. Hey Pradeep,

    I got a Samsung Galaxy S2 Mobile in Canada two month back, its unlocked

    Mobile Details,
    Model number : GT-I9100
    Baseband Version: I9100UHKI1
    Kernel Version:
    se.infra@SE-07 #2
    Build number
    so please guide me to which firmware i needed to up date to 2.3.6 as there are so many am new i just update my firmware once when i had new 1st time with kies to current version 2.3.4
    many thanks!

  11. Hi,
    I recently updated my galaxy s2 to XWKL1 using instructions from your site….. But not my kies is not accepting the phone because my CSC is XEU whereas that firmware was INU…

    Can I install this version to solve the kies issue??

  12. hi buddy,

    i updated the firmware of my S2 to XXKP8 ICS 4.0.3 , it worked fine and smooth provided there were frequent random reboots of the device at exact intervals of 12 hours after flashing.Got dissapointed as the upgrade was fine and running smooth but the reboots spoiled the game. i have no complaints, but wanted to know y such thing happened.
    i am more than satisfied with this site. i downgraded to a more stable 2.3.6 version which i did earlier. nice job pal keep it going . no qualms .

  13. Hi. My SGS2 is locked to Bell Mobility in Canada. Is it absolutely true that the phone must be unlocked in order to install XWKK5 on it? Do I have to root it? I just got it and don’t want to void the warranty right away. Thanks.

  14. Hi,

    My SGS2 is locked to Bell Mobility in Canada. In you article you’re saying that the phone must be unlocked. Is it absolutely true? Does it mean that I can’t install XWKK5 on my phone without rooting it first? I just got it, so I don’t want to void the warranty right away?


  15. Hi,
    On my samsung galaxy s2 I am currently running BUKJ3 2.3.5. Can i update exactly the same using this process?


  16. Hey Pradeep,

    I got a Samsung Galaxy S2 Mobile in India one month back,

    Mobile Details,
    Model number : GT-I9100G
    Baseband Version: I9100GDDKI1
    Kernel Version: #2
    Build Number: GINGERBREAD.XWKJ2

    I auto updated using WI-FI with option available in About Phone Section.. Now its showing Android Version as 2.3.6.
    Now i’m having problem connecting to PC using USB, my mobile is not recognized when connecting through USB..

    Could you please kindly help me to fix this?


  17. hey pradeep..

    What is the official version …is that XWKK5 or XWKL1 ?? pls help and tell me which one is working fine without any issues.

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About Pradeep Neela

Friends call him Droid Geek because he tries out different ROM’s everyday and helps droid users experience better features on their devices. Add +Neal Pradeep on Google Plus for more Updates.
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