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Galaxy S2 gt-i9100G: All things root

Discussion in 'Android Devices' started by Shotgun84, Jan 12, 2012.

  1. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    The idea of this thread is to provide a comparison between the gt-i9100 G and the gt-i9100. A full comparison can be found in the link below
    Samsung Galaxy S2 GT-I9100 vs. GT-I9100G Ultimate Comparison Guide. All You Need to Know! | 10Division.com

    Even though the two models basically have the same features, the difference in hardware means that custom kernels and roms for one model WILL NOT work on the other.

    I know that many of you will have already known this but there will be others who didn't. So I am trying to provide a place where questions can be asked about rooting and custom roms for the G variant.

    I'm hoping by keeping questions about rooting the two different models separate will save confusion and avoid people bricking their phone by flashing the wrong things.


  2. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Root guide

    *This guide was written for the purpose of rooting the international GS2 but since the method is the same it can be applied to the G variant. Just use the guide as an explanation on how to root. DO NOT use the cfroot kernels in the guide as they will brick your phone, use the kernels in this thread instead.

    ICS root guide



    [KERNEL][I9100G][2.3.5]MyGKernel - CWM5, Root, CIFS

    Superatmos Kernel

    Lucifr kernel

    streetware kernel

    Cranium kernel

    ClockworkMod Recovery 5 kernel

    Custom roms

    juffo ROM

    GaLaXy ROM


    Homan.G ROM

    CyanogenMod 7/9

    Dark ROM

    KK5 ROM

    SGS2 4896 v9

    Prometheus ROM
    assteroid and bqz like this.
  3. ironass

    ironass Extreme Android User

    It would be very useful if, "G", variant owners could state this, loud and clear when posting questions, particularly in the, "All Things Root" section of the forum as I know of a number of instances when information suitable only for the i9100 (International) version has been given to, "G" owners which has caused them problems.

    Ideally a separate forum for, "G" variants would prevent this as 90% of the, "All Things Root", forum is given over to ROM's and kernels that do not apply to the, "G", variant.

    Here is another side-by-side comparison. As you will see, the main differences are in the crucial areas of Speed, chipset and GPU according to this.


    Some people may not even realise that they have the, "G", variant according to this article:-

    GDM00 likes this.
  4. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Yeah, agreed that its not so much of a problem if people state they have the g version. I think a lot of people don't though as they don't know its different. To be honest I didn't until someone (possibly you) pointed it out to me. And its not just the case of people not saying which version they have. Depending on who's here to give the advise, someone could unwittingly be giving someone a guide to brick their phone.
    So here's hoping this sticky can atleast lessen the chance of some expensive paper weights.
    ironass likes this.
  5. Slug

    Slug Check six!
    VIP Member

    It's been suggested but I will personally fly over to Tennessee and kidnap Phases' entire stockpile of pistachios if he introduces yet another Galaxy S2-type section! :eek:

    When I get a moment I'll add tags/suffixes to the existing threads to make it clearer which variant they apply to. I will then enjoy a long lie-down in a dark room. :D
    ironass likes this.
  6. Rawrific

    Rawrific Lurker

    I just bought a I9100G from China without reading more into what differences it has with the I9100 (stupidity on my part) and now I'm scared that it'll be useless overseas without access to google and android market and such.
    I'm totally new to the smartphone scene so I apologize if this is a dumb question. How do I use the rom and kernel that's been posted? Is there a detailed step-by-step guide explaining everything that's needed? I would really like to at least have access to apps other than the few Chinese ones that will become useless once I leave China. :\
  7. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Don't worry its not a stupid question.

    1. Download odin on your pc from here. Unzip and instal
    2. Instal kies to your pc if you haven't already as you need the drivers to connect your phone.
    3. I'd use this root guide as it seems to more straightforward out of the 2.[KERNEL][I9100G][2.3.5]MyGKernel - CWM5, Root, CIFS - xda-developers
    4.Download the 1.1.1 kernel to your pc.
    5.Ensuring that kies isn't running in the background open odin.
    6. Tick the box which says pda and insert the 1.1.1 kernel next to it.
    7. DO NOT tick or untick any other boxes.
    8. With your phone turned off, hold the power button, menu and volume down until you get asked if you want to put your phone in download mode. Press up to confirm
    9.Attach your phone (while in download mode) to your pc and press start.
    10.Wait a couple of minutes and your phone should reboot and you'll be rooted

    Now that you're rooted you can instal the custom rom.
    1. Download the 2.0 rom zip directly to your phone.http://forum.xda-developers.com/showthread.php?t=1341288
    2. With your phone off, hold the power button, menu and volume up until your phone boots into recovery mode.
    3. Wipe cache and dalvik (the latter can be found under advanced
    4. Select instal zip from sd
    5. Find the rom zip you downloaded and flash
    6. Reboot your phone.
    7. You are now winning a custom rom
    8.Repeat the above steps butt thurs time flash the 2.1 rom
    gadorey and Rawrific like this.
  8. Rawrific

    Rawrific Lurker

    Wow thanks for the fast reply, really saved me there. However, I can't download the rom as stupid China blocks every damn site that's of use... I guess I'll have to do this when I go back.
    One question though, does the version of my OS and build matter? I've got:
    Android Version: 2.3.4
    Kernel Version: se.infra@SEI-30 #2
    Build Number: GINGERBREAD.ZCKH4
    If there's something that is compatible, should I try updating my firmware through kies?
    If that isn't relevant;
    Thanks again
  9. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    It doesn't matter which firmware you're on at the moment. The rom should flash fine on top of it. If you are going to flash the custom rom there's no point updating with kies as it will just be overwritten by the rom.
    Rawrific likes this.
  10. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Sorry I missed something out. Before flashing the rom make a backup of your phone. This can be done in recovery mode (volume up, menu and power)
    Just in case anything does go wrong you will be able to restore your phone to its previous state.

    And if you have any apps you don't want to loose instal titanium backup from the market and back these up. You can then reinstall them after you've flashed the rom.
    Rawrific likes this.
  11. Rawrific

    Rawrific Lurker

    Okay I've got it now. Thanks again!
  12. Ksncalver

    Ksncalver Lurker

    I can do this as it seems everywhere is on a black out. Is there any where else to get the files
  13. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Welcome to the forum Ksncalver.

    Looks like you're in luck. Xda is back up.

    Edit: maybe not. I just got in by searching xda with google but can't seem to do much when I'm there. I think you'll just have to wait until its back online.
  14. Rickyyy

    Rickyyy Lurker

    hey guys.....i'm also a newbie to this rooting stuff.
    My Sgs2 specs:

    android version:2.3.4
    Baseband version: I9100GDZKH5
    Kernel version: root@DELL156 #2
    Build number: Gingerbread, XWKH8

    Can anyone guide me what all this means, what my fw is coz so much information is confusing me....
    @shotgun....soo it doesnt matter what fw i'm on, i can root with the custom rom posted above?

    p.s Sorry for my english :)
  15. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Welcome to the forum Rickyyy and thanks for joining.

    To root I would use this guide
    [KERNEL][I9100G][2.3.5]MyGKernel - CWM5, Root, CIFS - xda-developers

    It should work fine on your firmware/build number which is kh8. Just follow my instructions in post number 7 of this thread to flash. Once you have rooted you would be able to flash the custom ROM. However the links are down at the moment so you can't download it. The dev of the ROM its aware of it and will get it sorted, so you will just have to be patient. When the ROM its available to download you will be able to flash it over your current firmware.
    Rickyyy likes this.
  16. Rickyyy

    Rickyyy Lurker

    Thanks dude for the fast reply...yeah i've noticed that the servers are down, so i'll wait. Although i didnt understad this : "The dev of the ROM its aware of it and will get it sorted, so you will just have to be patient"....I'll keep u posted .

    Thanx :)
  17. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Sorry there was a Swype mistake in there, I should really check my posts before posting them.
    I just meant that the guy who made the ROM is aware that the links don't work but he's working on a new ROM for the phone at the moment so it won't get sorted until after that.
    Rickyyy likes this.
  18. gadorey

    gadorey Lurker

    Any idea when it might work again? I bought a GS2 in China and followed shotgun84's instructions. But now I am now stuck with a phne that doesn't work because I can't download the ROMs from multiupload.com

    Any ideas how I might sort it out?

    My problem is the same as everyone's who bought an S2 in China - it has a chinese ROM on it, no ggogle apps, everything in Chinese. I wanted to put a Eu oder similar ROM in it so I can have access to market, google etc. Thanks!
  19. Rickyyy

    Rickyyy Lurker

    @shotgun....oww okay...no biggie, i'll just wait....

    thanx :)
  20. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

    Rickyyy likes this.
  21. Rickyyy

    Rickyyy Lurker

    awesome dude...so i can flash this rom to my fone now?..i've read the tutorials posted above how to root but its kinda confusing....can u guide step-bye-step, as its my first time :)

  22. Shotgun84

    Shotgun84 Extreme Android User
    Thread Starter

  23. Rickyyy

    Rickyyy Lurker

    allright thanx, i'll give it a shot and keep u updated....just one more question, i've downloaded superatmos v2.2 kernel, so i'll be flashing this one, but which one of the roms should i use then? GaLaXyRom RC3 or the SuperROM?or it doesnt matter at all?
  24. dodgydave123

    dodgydave123 Lurker

    Another newbie here looking to root my Samsung Galaxy S2

    The software I'm running is

    Android Version 2.3.5
    Baseband Version I9100XXKI4
    Kernel Version #2
    Build Number: GINGERBREAD.XWKJ1

    I'm totally new to this and have read numerous guides on this forum and I'm still confused. This is my first Android as you can probably tell :eek:

    Any help will be greatly appreciated.

    Many Thanks :cool:
  25. Rickyyy

    Rickyyy Lurker

    Shotgun84 likes this.
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