How to manually upgrade Nexus S from Android 2.3.6 to Android 4.0 Ice Cream Sandwich

If you own T-Mobile’s variant of Samsung Nexus S (i9020t) and don’t want to wait for the official OTA Android 4.0.3 update, you can install it manually. The procedure below will upgrade stock Android 2.3.6 build GRK39F to Android 4.0.3 build IML74K.

With a rooted phone the easiest update process is to use ROM Manager (Download ROM -> Stock Images -> Nexus S 4.0.3).

If you don’t have root, follow these manual steps (if you are new to the update process, check out this slightly outdated, but detailed update guide).

  • Download the update package.
  • Rename downloaded file to update.zip.
  • Copy the update.zip file to the phone’s internal storage.
  • Turn the phone off, press and hold Volume Up and Power to boot into the bootloader.
  • Using Volume Up/Down select “recovery” and press Power button.
  • After the exclamation point in a triangle appears, hold the Power button and press Volume Up.
  • Using Volume Up/Down select “apply update from /sdcard” and choose the update.zip.
  • After the update process is finished, select “reboot system now” and press Power.
Android 4.0.3 Ice Cream Sandwich build IML74K

Enjoy!

Sources: XDA, koush.

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64 Comments

  1. Sanzo
    Posted January 18, 2012 at 10:12 pm | Permalink

    Can i follow this procedure to update my Samsung Galaxy Y GT-S5360 from Android 2.3.6 to 4.0 ?

    • Posted January 19, 2012 at 8:56 am | Permalink

      The update procedure is the same, but you need to have an update file specifically for Galaxy Y. The link that I included in the first paragraph will work only for Nexus S. I don’t know if Samsung plans to update Galaxy Y to Android 4.0. If they don’t, hopefully CyanogenMod will support it: Samsung Galaxy Y (GT-S5360 / GT-S5363).

  2. Posted February 24, 2012 at 6:50 pm | Permalink

    can i follow this procedure to update my phone – samsung galaxy w wonder GT-I8150 from android 2.3.6 to 4.0

    • Posted February 27, 2012 at 1:14 pm | Permalink

      No, the image linked in this post is for Nexus S only. You can check out the list of devices supported by CM9 here: (you will need to find out the codename of your device, e.g. Nexus S is “crespo”).

      • Posted June 24, 2012 at 10:04 am | Permalink

        i downloaded this update can i use it for my spice stellar cuz its an upgradable to 4.0….so can u use it…………

      • nagendra
        Posted December 7, 2012 at 11:58 pm | Permalink

        i have i ball andi 4d android mobile 2.3.6 gingerbird i have to upgrade into ics it is posible…
        kernal version 2.6.38.6-perf…plzzzz reply me………………………

        • amit kr
          Posted April 7, 2013 at 11:46 pm | Permalink

          yes u can…. no any risk…. it is checked by us…..

        • Dr.Rajajee
          Posted July 2, 2013 at 7:44 am | Permalink

          Did u root ur Andi 4d iball mobile help me if u did how to root it

  3. manoranjan
    Posted March 4, 2012 at 11:47 pm | Permalink

    can i follow this procedure to update my phone- samsung galaxy note-gt-n7000

  4. Jane
    Posted March 6, 2012 at 7:49 am | Permalink

    After I manually upgrade to 4.0, will I receive any updates or changes from Google?

  5. khaja d heart hacker
    Posted June 6, 2012 at 7:38 pm | Permalink

    can i update my SAMSUNG GALAXY POP GTS-5570 FROM ANDROID 2.3.6 TO 4.0 BY THIS METHOD OR BY ANOTHER METHOD PLEASE TELL ME ILL BE WAITHING….

  6. Amr Saleh
    Posted June 20, 2012 at 3:05 am | Permalink

    kindly please tell me how to upgrade the galaxy Wonder GT-I8150 Android Ver 2.3.6 to Ice Cream Sandwitch

  7. Deepak
    Posted August 2, 2012 at 1:26 pm | Permalink

    Can I upgrage my samsung galaxy Ace Duos from 2.3 to android 4.0

    • William McCarthy
      Posted August 4, 2012 at 2:47 am | Permalink

      I Have just bought galaxy nexus How can I upgrade From 2.3 to 4.0

  8. gurmit baliyan
    Posted August 11, 2012 at 5:30 am | Permalink

    i hv gt-s5360 android 2.3.6 intalled plz tell me to upgrade it to higer like 3.0 or smthing plz help

  9. Uros
    Posted August 21, 2012 at 9:49 am | Permalink

    Can i due that on my Samsung Galxay Mini 2 ???

    i have android 2.3.6,please tell me,i must play games on 4.0 !!!!

    • Uros
      Posted August 21, 2012 at 9:50 am | Permalink

      and,when i it update,can i back to another (old version) 2.3.6 ???

  10. nag
    Posted November 2, 2012 at 12:07 pm | Permalink

    sir…. this is nagaraju….. siri have purchased karbonn a1+ android version 2.3.6 mobile…. but this

    version i am not interest.. so upgrade ice cream sandwich… its possible??? plz help me?????

  11. sudhir
    Posted November 6, 2012 at 11:10 am | Permalink

    Can i also use the above procedure to upgrade my Micromax A84 android 2.3.6 will it work properly on it or there r chances of this not working fine…. how can i upgrade my Micromax A84.. please suggest. thanks

  12. Posted November 13, 2012 at 10:01 pm | Permalink

    i hv gt-s5830i android 2.3.6 intalled plz tell me to upgrade it to higer like 3.0 or smthing plz help

  13. Posted November 15, 2012 at 7:18 am | Permalink

    this can work on samsung galaxy ace duos s6802 ?

  14. akhil
    Posted November 24, 2012 at 11:06 pm | Permalink

    how 2 change andriod 2.3.6 to4.1….

  15. Posted January 7, 2013 at 11:21 pm | Permalink

    How to turn in if there are the ‘ad fastboot : recovery’ or the enter qpst download’ ??

  16. Posted January 7, 2013 at 11:30 pm | Permalink

    how can v upgrate a45 to 4.0

  17. Posted January 7, 2013 at 11:31 pm | Permalink

    a45 2.3.6 to 4.1

  18. Posted January 7, 2013 at 11:34 pm | Permalink

    plz tel me to upgrate a45 to4.1

  19. ayush
    Posted January 18, 2013 at 1:42 am | Permalink

    can i upgrade my micromax a73 2.3.6 to 4.0

  20. JASS
    Posted February 3, 2013 at 2:19 am | Permalink

    can i upgrade my micromax A65 from gingerbread to ICS

  21. Posted February 17, 2013 at 10:34 pm | Permalink

    Can i follow this steps to upgrade me micromax a65 from v2.3.5 to v4.0.3

  22. Posted February 17, 2013 at 10:36 pm | Permalink

    Can i follow this steps to upgrade my micromax a65 from v2.3.5 to v4.0.3

  23. Posted February 21, 2013 at 8:22 pm | Permalink

    Is it possible to upgrade the android version in KARBONN A1+ MOBILE IF YES THEN PLEASE REPLY ME HOW TO UPDATE THE VERSION FROM GINGERBREAD TO HIGHER VERSION OF ANDROID……….

  24. Posted February 21, 2013 at 9:55 pm | Permalink

    my phone is karbona1+ and its android version is 2.3.6. can i update it to 4

  25. Posted February 21, 2013 at 9:56 pm | Permalink

    my phone is karbonn a1+ and its android version is 2.3.6. can i update it to 4

  26. Posted March 11, 2013 at 7:06 am | Permalink

    Realy it run in my karbonn a1+ 2.3.6

  27. Leandra
    Posted March 14, 2013 at 10:15 pm | Permalink

    Healthy water can help increasing human body function and make
    human can live longer. s) are smaller than water molecules
    so they can. The specific technique in RO will work will be as
    follows: Reverse osmosis pushes the liquid through the semi-permeable membrane.

  28. balaji
    Posted March 26, 2013 at 8:53 pm | Permalink

    i am using karbon a1+ . in this update is possible for me to change into genjer version to 4.3.6 android version .give me the solution how to change

  29. hosam
    Posted May 2, 2013 at 9:38 am | Permalink

    why gave me error my phone s-5360 gt
    plz can you gave me video

  30. purna
    Posted May 8, 2013 at 5:55 am | Permalink

    can i used the same procedure to upgrade 2.3.6 to 4 in my mobile set karbonn a4

  31. purna
    Posted May 8, 2013 at 6:08 am | Permalink

    can i use the same procedure to upgrade 2.3.6 to 4 for karbonn a4

  32. Dr.Rajajee
    Posted July 2, 2013 at 7:50 am | Permalink

    this cannot be done on IBALL ANDI 4D COS IT HAS ONLY 22MB INTERNAL STORAGE LEFT FREE

  33. Manas
    Posted August 7, 2013 at 1:00 am | Permalink

    I dont want any upgrade but i want to root my phone (Micromax A84 Superfone Elite) pls help me if you know how to root this because i have tried SuperOneClick, Unlockroot, etc. but its not compatible. So, its a request if you know something pls reply or email me. Thanking you.

    • Ronak Patel
      Posted December 18, 2013 at 6:06 am | Permalink

      dude try super boot software for root..
      install it in pc then
      turn on usb dubugging mode on. then shut down ur phone

      then boot in fastboot mode using power + volume button

      then press two times “enter” from key board by running the superboot for it. and then it done and it will restart and its done..

      if problem persists mail me ronakpatel2121@gmail.com

  34. rohit
    Posted August 19, 2013 at 7:12 pm | Permalink

    can I update my Micromax A25.
    my version is 2.3.6.

  35. rohit
    Posted August 19, 2013 at 7:17 pm | Permalink

    can I update my Micromax A25 smarty
    my version is 2.3.6 to 4.0
    root is not working in my A25 I was use
    Root explore and titanium backup, but it not working. pls give mi suggestion in my mail.

  36. rohit
    Posted August 19, 2013 at 9:56 pm | Permalink

    I am follow above process and download the update dada but after apply update it say FAILED, SIGNETURE VARIEFICATION FAILED.
    give me suggestion

  37. Posted September 20, 2013 at 4:15 pm | Permalink

    please,can some one tell me were to get the update package of android v.4.0 of the ZTE KISS PLUS.thanks in advance.

  38. vamsi
    Posted September 21, 2013 at 6:24 pm | Permalink

    sir. … this is vamsi… ..sir i have purchase Samsung galaxy y duos
    it’s android version is 2.3.6 so can i update version 4.1 by this process sir it’s possible ???? plz help me sir……

  39. GuruThapar
    Posted October 27, 2013 at 12:49 am | Permalink

    sir. … this is vamsi… ..sir i have purchase Samsung galaxy y duos
    it’s android version is 2.3.6 so can i update version 4.1 by this process sir it’s possible ???? plz help me sir……

  40. Posted October 31, 2013 at 10:14 am | Permalink

    Htc heroo200 sprent

  41. rj
    Posted November 11, 2013 at 9:00 am | Permalink

    using nexus s (att-9020a) with 2.3.4….can I use this procedure to upgrade using the google factory image (sojua 4.1.2 JZO54K)

  42. sanoop
    Posted November 19, 2013 at 8:34 am | Permalink

    Can i follow this procedure to update my karbonn A1+ from Android 2.3.6 to 4.0 ?

  43. pankaj
    Posted November 29, 2013 at 12:21 am | Permalink

    i want to convert my micromax canvs android (os) 2.3.6 to 4.0 please give me some advise and some linq on my email id .

  44. bipin
    Posted January 28, 2014 at 11:53 pm | Permalink

    it is posible on iball andi 4d?

  45. DHruv
    Posted March 23, 2014 at 4:06 am | Permalink

    Can I use this procedure for my micromax a84? this file is work in my device ? If any other option available for it so please say me help me
    Thnk in advance

  46. Igor
    Posted March 31, 2014 at 12:28 pm | Permalink

    Hello
    Can i follow this procedure to update my Samsung Galaxy GT-S6500D from Android 2.3.6 to 4.0 ?
    And can I use SDR Touch on my mobile.
    Thank you

  47. Shubham zodape
    Posted May 15, 2014 at 5:51 pm | Permalink

    I have rooted Karbonn a1+ can i follow same procedure with this

  48. anvesh
    Posted May 26, 2014 at 4:30 am | Permalink

    i have purchased micromax bolt A27 it has android 2.3 version,can i update to 4.0

  49. jay patel
    Posted May 28, 2014 at 4:33 am | Permalink

    how to update my micromax a27 2.3.5 to 4.0.

  50. jay patel
    Posted May 28, 2014 at 4:35 am | Permalink

    sir,plezz help me
    how to update my micromax a27
    to 4.0.

  51. Posted June 25, 2014 at 1:00 am | Permalink

    how to upgarde version in my micomax a65 2.3.5 to 4.0
    plz help me

  52. Tejash Dubey
    Posted August 5, 2014 at 10:17 am | Permalink

    I have an iBall anxiety 3.5 With 2.3.6 ginger bread can I upgrade it into ICS or in Jelly bean plz reply fast

  53. Tejash Dubey
    Posted August 5, 2014 at 10:17 am | Permalink

    I have an iBall andi 3.5 With 2.3.6 ginger bread can I upgrade it into ICS or in Jelly bean plz reply fast

  54. kannan
    Posted August 7, 2014 at 1:22 am | Permalink

    After update,may I receive any update from google?and is there any chance for degrade to older?

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