Carbon ROM for Galaxy S2! [GT-i9100/SGH-i777]

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For this week’s ROM of the week for international GT-i9100 S2 and AT&T S2 SGH-i777, check out latest Android 4.3 version of Carbon ROM.  (You can also check out T-Mobile Galaxy S2 version of Carbon ROM here.)

UPDATE: There’s Carbon ROM with Android 4.3.1 now, PLEASE CLICK HERE to see it instead of this!

I’ve been following Carbon ROM ever since its beginnings and boy what a long ways they have come as ROM development team.  I remember their first builds were full of bugs and not many new features but their latest version based on Android 4.3 is entirely opposite, perhaps one of the best Android 4.3 stable ROMs out right now with their own innovative additions like ability to change animations for each type of different transition animations.

Carbon ROM ships with its own AOKP-like ROM Control called “Carbon Fibers”, which allow you to change every part of your animations plus full ROM Control to customize your UI/system.  Other than the load of options you can customize, Carbon ROM is a great “performer” out of the box, giving you the extra speed boost you would expect out of Android 4.3 at its cutting edge plus battery life is great.

If you are looking for stable Android 4.3 ROM with great performance, speed, and customization, definitely try Carbon ROM out this week(end) and do let me know what you think!


Download Carbon ROM for Galaxy S2 GT-i9100

Download Carbon ROM for AT&T Galaxy S2 SGH-i777

Download Android 4.3 Gapps (for all, DO NOT USE Android 4.2 Gapps, they will FC!)

Download Flash Player APK (if you want flash player)

DownloadAndroid 4.3 PhotoSphere (if you want photosphere, but may force close so make a backup of your Gallery app using Titanium Backup app before installing!  )

To install, reboot into recovery, make backup ROM, wipe data/factory reset, install ROM, install Gapps and reboot.   (If for some reason you end up in a bootloop, reboot into recovery, go to Advanced Wipe for TWRP or Mounts & Storage for CWM, format/wipe /system, then re-install ROM.)

Credits – XDA <— Please donate to the developer of this ROM or hit Thanks button on XDA if you like it, thx!

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52 Responses

  1. James Poulose says:

    I am getting “Signature verification failed. Installation aborted”.

    Please help,

  2. ioan says:

    I love yours video, thanks.

  3. Hugo Marques says:

    Does “Wipe data/factory reset” delete my USB Storage files? Like photos, music, video, etc…
    Is it really required “Wipe data/factory reset” to install this ROM?

    Ty, Hugo

    • slasher1986 says:

      you need to do a full wipe utherwise you will get a boot loop. you will not loos any data : )

      • Hugo Marques says:

        Ty for the response, i will install now this rom 🙂

      • Rubic_Cube says:

        @slasher1986 – Just FYI – I took a chance with “Wipe data/factory reset” on my SGH-I777. The installation instructions ask to wipe partition as well. I did not do that. Just data wipe and factory reset worked well for me.

  4. Martins says:

    Hy! adhoc support?

  5. julio México says:

    How to install this ROM, I have galaxy s2 i777 with ROM biftor ROM, I need to do? What should I install? ROM for i777 or i9100 ROM? Help

    Como instalar esta ROM, yo tengo galaxy s2 i777 con la ROM biftor ROM, que necesito hacer? Cual debo instalar? ROM para i777 o ROM para i9100?? Ayuda

    • Rubic_Cube says:

      I assume you have the ROM, Gapps downloaded and copied into a microSD card or copied into internal SD storage space on the phone.

      If the above is true, then …. and then only … I suggest the following:
      1) Nandroid backup of the current ROM
      2) Data backup anything that you need to backup to secondary storage (portable hard drive, USB stick etc.)
      3) Reboot to Recovery
      4) Wipe data / Factory reset
      5) Wipe Dalvik Cache
      6) Install ROM from sd card
      7) Install Gapps from sd card
      8) Reboot phone

      You would have to wait about 10 minutes for the phone to turn back up and allow you to configure your phone.

  6. Rubic_Cube says:


    This ROM totally rocks! I can easily see the SlimROM, ParanoidAndroid and AOKP influence here. Super smooth, great battery life so far, truckload of features – to the point that one gets lost within settings! 🙂

    Halo works great, Camera and Camcorder features working great, Browser is pretty fast… Loving it so far, haven’t noticed any issues. Thanks for posting it…

    ~ RC

  7. Thomas says:

    Can I install Carbon ROM in my S2?
    My device is GT-I9100
    Android version 4.1.2
    Baseband version I9100XXMS2
    Kernel version 3.0.31-Jeboo Kernel_v1.2a+
    Build Number Omega v23 – XWLSN

  8. zohar_b says:


    I want to install this rom. should i need to change my kernel (jb v3.2)?

    • Rubic_Cube says:

      Well, it’s your choice. I think some users preferred their favorite kernel over the ones that come with this ROM. If you prefer using the same kernel, then you must make sure you have the kernel zip file available to flash after you have flashed the ROM and Gapps in that order. If you notice any inconsistency in the phone’s operation, then just reboot to recovery and try reflashing the ROM.

  9. Rubic_Cube says:

    Preliminary observations:
    Lockscreen targets – shows 5 but able to use only 4
    Last nights build froze phone at boot screen, had to recover to last backup
    When accepting a call from locked screen, the phone locks screen instantly if you try to unlock… not consistent, but some of the times.

    Have passed above feedback to ROM developer “CarbonDEV” on XDA – had to email/message him as I was unable to post feedback on the forum.

  10. Σταύρος Γεράνιος says:

    Is this rom over clock?

  11. Adrian says:

    Installed it… WOW what a cool ROM, so fast and everything works.
    Google voice typing which I use a lot is just incredibly quick. Before I have tried several custom ROM’s but this one blows them all away.
    Battery life is about 2+ days on my S2 if I don’t use it too much. Better then anything I know.
    keep up the good work boys!!! thanks for a great ROM

  12. brads27 says:

    Great rom but it freezes when i turn my phone on 9GT19100) flashed it three times but still get bootloop.

  13. brads27 says:

    thats GT 19100,such a shame its the best rom i have ever had.

  14. nick says:

    It won’t allow me to log on to my works open WiFi.. It goes through the prop and then goes black.. It can see the connection, but that’s as far as it goes..any ideas as all the other roms I have used works fine. Apart from that teething issue, I’m really liking carbon rom

    • sharath says:

      i’m having the same issue! i flashed 2 different nightlies, but issue still persists.
      anyone has any solution/fix to this?

  15. Julian says:

    Random reboots that last 5 seconds or so. Problems with internet connection. S2 GT 19100

  16. Uncle Phil says:

    First time writting, though I downloaded tons of ROMS.
    I love your web, I test and use almost a ROM every 15 days, or less.

    I have a 9100 and Im from Buenos Aires, Argentina

    This ROM is really lightweight, I like that, fast, but the battery life isnt so good, and it stacks sometimes, specially the keyboard app.
    I dont recomend so much this ROM, it keeps on sugesting upgrade downloads and as a Linux fan…. “hey, can I just have a stable, light, and smooth ROM?”

    Best regards,

  17. julio says:

    Quizás dure mas la batería con otro kernel, quisas le ponga el jeboo kernel aver que pasa, ahorita lo único malo es que los colores de WiFi y señal estan oscuros pero si funcionan.

  18. julio says:

    Esta ROM tiene un bug terrible, cuando veo vídeos en la aplicación de youtube y giro la pantalla para expander, el celular se reinicia 🙁 varias veces me ha pasado. Corrigan ese bug.

  19. kabils says:

    Installed this ROM. It is super smooth and fast. System restarted a few times during auto rotation. Phone froze for a while during restart, the phone was connected to charger; restarted normally after disconnecting the charger. Battery looks good after one day use. Lot of options to customize. Overall great ROM. Yet to try the photosphere.

  20. vivek says:

    I installed this carbon ROM and everything is working fine instead my storage is reduced to 2 GB from 16 GB.

    I dont know what to do. Help me plz.

  21. mario says:

    Great rom very fast and smooth and a lot of settings.
    Thanks Max for the video and Carbon for the great work done.

  22. Ahmad says:

    Hi. Its a very incredible ROM, but I countered three problems, one with the ai type keyboard, it doesn’t work at this ROM. And the other one is the flash player and the photosphere and some other all apps that I have downloaded, when I try to install them I get “X app not installed”. And the last is with gobackup app, I get a path just for the internal sdcard though I have ext one..

  23. Julian says:

    My internet connection randomly craps out and I have to reboot to get it back. is there any fix for this?
    Galaxy s2 GT i9100

  24. santhosh says:

    rom is good.

    but battery life is very very less

  25. random says:

    Sometimes my GS2 is randomly rebooting
    On this Rom

  26. Chris says:

    what a bummer, such a nice rom, but still unstable as i am experiencing crashes and reboots, other than that everything works perfectly…except for bluetooth lagging…based on my experience this seems to be common with aokp/aosp,etc roms

  27. Shark says:

    Very Very good ROM….got stuck just once, but amazing and smooth experience overall.

    I really really want to change the display calibration on the phone, its gone to the disgusting “Vivid” mode default on the s2, Please help me out on this and i’m kind of a noob in this particular thing. Links and instructions will seriously help!!!

  28. binu says:

    hi, i’m very new to this ROM testing. I’ve been your follower for quiet some time. Thanks a million for all the hard work and reviews. From so far I’ve tried, the most stable were X-treme Jelly bean , Resurrection remix, Carbon and Jellybam. i can not really comment on the battery realistically as my battery is 2 years old(all batteries die one day). carbon is a very good performer as a general OS. But the downloads from Google play store is significantly slower than previous ROms. I’m not sure if it’s actually an issue with the G apps package or ROM. But since i flashed it within 24 hrs i got 2 ROM updates. So a a positive note a very good developer working on stability.

  29. Shma says:

    Tried it for three days, very very fast and stable. had one nasty reboot tho, fixed by clearing som cache only.
    Only negative thing is that the volume is not very high while milling etc But in all a great rom with great batterylife.

  30. Julian says:

    So no help from the mods at al then?
    Random reboots, screen freezes when in landscape mode, internet connection gone. What’s so good about this rom? HELLO???

  31. brads27 says:

    Downloading nightly’s,great ROM everything works the only downside is I can’t turn my phone off ,if I do when I turn it back on it gets stuck in a bootloop.

  32. Vinod Rathod says:

    status 7 error….. why

  33. brads27 says:

    Works fine now even reboots ok (no more bootloop) 0;)

  34. ms says:

    Status 7 error…….
    Unable to instal…
    Did everything properly n as gudied….
    Stilll error…
    Can anybody help????

  35. brads27 says:

    Just download this,put it on your sd card ,run it then flash carbon rom very easy to do,it DOSEN`T remove your photos or any other files.

  36. Rubic_Cube says:

    Status 7 is usually an error in the ROM …

    To fix status 7:
    Open file and go to this folder: /META-INF/com/google/android/
    Open updater-script with a script editor, notepad, notepad++, or gedit if you use linux.
    Delete the first line of code (all the way up to the first semicolon you see) and delete the first semi-colon as well.

    Step by step instructions available on Max’s other site:

  37. JS-Essex says:

    Its very fast but I couldn’t find googlemaps on it and i couldnt put similar apps in same folders together.

    So I got rid of this and went back to Samsungs current version of Andriod for the S2

  38. Nightvave says:

    For me camera is not…. how to improve it….help..!!

  39. Ace says:

    I Cant find google play stor and all other google app
    help meeeee

  40. brads27 says:

    Download Google apps and flash it.

  41. suraj says:

    At first it worked nice . But now i am getting bootloop.
    How to fix this on my S2 i9100???thnk you

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