CM12 ROM Alpha for Galaxy S2! [Android 5.0 Lollipop]



For those of you wondering where is Android 5.0 Lollipop for Galaxy S2 smartphones, I have some good and bad news.

The good news is that there are working versions of CM12 ROM alpha, which will give you the latest Android 5.0 Lollipop.

The bad news is that these ROMs are still in “alpha” stages, meaning there are many bugs.  However, if you do want to try out the Android 5.0 Lollipop today, you can make a backup ROM, try Lollipop, then restore your previous ROM.

The verdict?

For GT-i9100 version, everything seems to work except for camera and Play Store.  This is a deal breaker for most of you since without Play Store you cannot install any apps.  But, you can surely try out the new Lollipop UI and mess around settings.

For SGH-i777 version, you will also have some problems with Play Store, similar to the GT-i9100 version.  Oh yeah, this one is very unstable and will reboot on you easily so be careful but the camera does work.

For T-Mobile SGH-T989 S2 users, you are in luck as this version is actually better than the rest with almost everything working except incoming calls, 1080P video recording, and must keep wifi turned on at boot (otherwise will reboot on sleep).

Overall, it’s still WIP (Work In Progress) and in a few weeks we should have all the kinks worked out.  In the meanwhile, if you must try it today, just make a backup ROM, try Lollipop, then restore  your ROM.


Download CM12 ROM Alpha for Galaxy S2 GT-i9100

Download CM12 ROM Alpha for Galaxy S2 SGH-i777

Download CM12 ROM Alpha for Galaxy S2 SGH-T989

Download Android 5.0 Lollipop Gapps (Do not use KitKat Gapps, will not work!)


For installation on GT-i9100 or SGH-i777, please follow How to Install Android 4.4 KitKat ROM on Galaxy S2!

IF YOU HAVE CWM RECOVERY OLDER THAN VERSION, UPGRADE your CWM Recovery to latest version by downloading the zip and installing with your CWM recovery OTHERWISE ROM WILL NOT INSTALL!

Download and install CWM Recovery for KitKat custom ROMs (ONLY FOR SGH-T989!!!)

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 – i9100, i777, T989 <— Please donate to the developer of this ROM or hit Thanks button on XDA if you like it, thx!




Q: My 3G/4G LTE data is not working!!!
A: See How to Fix 3G/4G LTE data by Manually Setting APN on Android!

Q: I don’t have Play Store nor any of the Google apps!
A: You forgot to install Gapps, reboot into recovery and install it! (See above for download.)

Q: The ROM is not booting!
A: Try formatting /system and re-install ROM, sometimes the system partition gets corrupt and you may have to try 2 or 3 times before the ROM boots.

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29 Responses

  1. papuna says:

    can`t call !!! it`s restarting every minute : ( i777

  2. Guri says:

    outgoing calls working good……but incoming calls does not show on my t989 screen… me

  3. Robert says:

    I will gladly wait for a few more weeks to get the production version. Love your site; excellent work my friend. Oh and BTW, bless you! 🙂

  4. Sasa says:

    Thank you for your Perfect Rom. I am going to try them. Thanks a lot. I syill having S2 and always wating to try ne Roms from. You.
    S2 is a classic phone and high style. I WILLL KEEP IT.
    Best wishes.

    Good luck.

  5. minhthanbi says:

    Bản Room này có đài FM không, chạy có mượt không?

  6. Sasa says:

    Beautiful Rom. But browsers doesn’t work also didn’t have install zip file in recovery.
    I COULDN’T make it back to kitkat.
    Thanks anyway. Also couldn’t see some files in recovery

  7. Rob says:

    Hi, I was able to root a stock SGH-T989 and install the CM12 ROM per your instructions (thanks!), however when I boot into the new ROM, I no longer have root access. Is that expected? I’ve tried several things such as (re)installing SuperSU with CWRM and even tried TWRP to no avail. So, now I’m kinda stuck on this ROM because neither recovery will allow me to install new zips (access denied). I read some things about root method is now different in lollipop (due to selinux) but haven’t found a way past it yet. Any advice on where to go from here? Should I just use odin to flash back to stock ROM?

    • ajay kharolia says:

      download stock rom for yor phone and flash it using odin. doing it will loss root access. because you are flashing new rom

  8. ajay kharolia says:

    wtf.. no ringtone. how to make restore of backup in revovery mode. reply asap.

  9. ajay kharolia says:

    nd cannot install any other rom from update section in recovery . and restartingeverytime, fuck internal storage not load

  10. pem811 says:

    When can we expect a more stable version for the i777? Went to the CM website, last release was CM 10…

  11. ganesh baba says:

    plz dont download the bit** rom in this site or cynogenmod,,bloody 3 time i installed this rom and install all apps nearby 1.5gb ,1.5gb, 1.5gb.. each time i installed my all apps from play store i restart my mobile after restart the mobile got hanged in boot screen itself 3 times i did this here after i wont need this bloody bit** rom and all..who the idiot upload this nonsense dash of dash..
    plz dont download this…

  12. multim says:

    There is already new Resurrection Remix LP for SGS2 i9100 on

  13. teda says:

    O meu sght 989, travou reiniciando infinito….

  14. Michael Bence-Lyons says:

    Download the latest version which is 5.0.2

  15. Sunny says:

    Pls upload new roms (touchwiz) for gt i9100 asap :/….. Am bored of using wizzedkat and omni

  16. Necio says:


  17. Prithwiraj Ghosh says:

    Please help me, my phone got soft bricked, I unbricked it using stock ROM. After that I rooted again. When I tried to install a custom ROM, it installs but doesn’t move from the cyanogenmod logo after rebooting.
    I beg your help 🙁

  18. jhony says:

    I installed this ROM but not loading another ROM b coz I Have ?

  19. sasa says:

    How do I install another ROM help

  20. shaan says:

    i have installed the rom and it is working perfectly for me but i have lost root access so what i should do to take back the root access.
    Please help.

  21. Alberto says:

    a question. someone install the “CM12” And the “ROOT” will not delete .. ??? HELP !! … I install CM12 on the T989 And just delete the “root”. Now I do not peudo use the “TITANIUM bakup”….but then everything works 100%.. Is it ROM works VERY GOOD

    NOTA: MY ENGLISH NO IS GOOD!! 😛 😀 yo hablo español 100% xD Ayudemne

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