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Galaxy S2 Receives Android 4.1.2 Jelly Bean Update

Rakesh | 23 Jan 2013 | Android News/ ROMs/ Samsung

The long-awaited and highly anticipated has finally arrived! All it started with rumors followed by some leaks and then finally confirmed by  Samsung itself the last week when the manufacturer published the details of it. Yes, I am talking about the official Android 4.1.2 Jelly Bean upgrade for the Samsung Galaxy S2 GT-I9300 which would surely have put a big smile at the pining faces of the Galaxy S2 users.

Samsung has already started rolling out the Android 4.1.2 firmware update. The Galaxy S2 users in Spain are lucky this time to get the OTA update first. It does not mean, however, that all non-Spanish SGS2 owner will not be able to taste the latest update. The released firmware is meant for unbranded phones and, therefore, it can be installed on any international Galaxy S2, irrespective of country or region.

Features of Android 4.1.2 Update:

The Android 4.1.2 update for the Galaxy S2 comes with an overload of new features and improvements as it combines the enhancements introduced to the Galaxy S3 with Android 4.1.1 and 4.1.2. If you were also expecting the Multi Window feature or Ripple effect on the lockscreen, the update will disappoint you. Here are some of the main features:

  • Google Now: to access fast, press and hold the options button (left), or put a search widget on homescreen
  • Notification Panel: a sleeker look now, has the capability to show notifications and preview
  • Project Butter: buttery-smooth UI, performance and great stability
  • Enhanced TouchWiz: has the Nature UX of the Galaxy S3
  • Lockscreen:  added Facebook Ticker and other customization options
  • Two New Homescreen modes: Basic Mode and Easy Mode (see Settings> Homescreen)
  • Blocking Mode: lets and block call and message notifications
  • Some New Apps: Google+, Google Talk, Group Cast, Music Hub, Video Hub, Play Books, Play Movies
  • Camera: many new features and improvements added
  • New Widgets: added from Galaxy S3
  • New Features: Direct Call, Smart Stay, and Pop-up Play
  • Added new settings options in phone and call.

Download Android 4.1.2 Firmware for Galaxy S2:

This is unbranded firmware officially for the Galaxy S2 users in Spain, but you can install it on your Galaxy S2 model number GT-I9300. Do not try to flash it if your phone is carrier-branded or SIM-locked. The size of the firmware zip is 541.3 MB that expands to about 700 MB on being extracted.

  • PDA: I9100XWLS8
  • CSC: I9100FOPLS3
  • Android Version: 4.1.2 Jelly Bean
  • Date: December 16, 2013
  • Regions: Austria, Belgium, France, Germany, Hungary, Italy, Spain, United Kingdom

How to Install Android 4.1.2 Firmware on Galaxy S2:

The manual installation method of the official firmware on Samsung Galaxy S2 is the same that uses the Odin flasher. If you have ever installed a stock firmware on to your Galaxy S2, you must be familiar with it. But if you are new to such things, we have given some simple steps that will help you install the Android 4.1.2 firmware.

  1. Download the Odin firmware flasher and extract the zip on your desktop: Odin3-v3.07.zip
  2. Download the Android 4.1.2 Jelly Bean firmware in a zip from the link above and extract it on your desktop. Inside the extracted folder, you will get a file with .tar.md5 extension which shall be used later.
  3. Make sure that either Kies or Samsung USB Drivers is installed on your computer.
  4. Open phone Settings and turn on USB Debugging from Developer Options.
  5. Backup your contacts, messages, apps, call log, etc.
  6. Now launch the Odin program. You will see a window like shown below.
  7. Boot your Galaxy S2 into Download Mode. If you do not know how to do it, follow these instructions: turn off the phone, press and hold the Volume Down+Home (center) keys simultaneously and then press the Power button for few seconds. Your device will ask you to press the Volume Up key to proceed, do it.
  8. Now it’s time to connect your Galaxy S2 to the computer using the USB cable. Wait for a few seconds till you see the ID:COM box at Odin turn light blue and “Added!” text at the message box below. This show that the phone is connected and ready to download the firmware via Odin.
  9. Make sure that only two options, namely “Auto Reboot” and “F Reset Time” are checked on Odin.
  10. Now click the “PDA” button and browse to the .tar.md5 file inside the firmware folder and select it.
  11. Throw a final look at the Odin and when you are satisfied that all things have been considered, click on “Start” button.
  12. Odin will now start flashing the firmware to your Galaxy S2. If you have grown a little nervous, do not worry. It is a natural symptom.
  13. Wait till the firmware is flashed and you get “PASS!” message at Odin. Your device should reboot now automatically.
  14. Disconnect the USB cable and get ready to embrace your Galaxy S2 with Android 4.1.2 Jelly Bean.

The first boot will take a longer time than a usual boot. You will see “Android is upgrading” message followed shortly by the lockscreen.

What to do if you get a bootloop?

Your Galaxy S2 should reboot normally but if it is stuck on the boot screen and not starting, do the following things:

  1. Remove the back cover of your phone and pull out the battery. Wait for 20 seconds and reinsert the battery to its place.
  2. Now boot your Galaxy S2 in Recovery mode: press and hold the Volume Up+Home (center) keys simultaneously and then press the Power button for a few seconds till the screen turns up and you see a black background with blue text.
  3. In the Recovery Mode, use the volume keys to scroll up or down and the Power key to select an option.
  4. Scroll down to “wipe data/factory reset” option, select it and perform the wipe.
  5. Then go back to the main menu and select “reboot system now”

Your phone should now reboot normally. Cheers! If you have a question or doubt related to the topic, feel free to leave us a comment.

How to Change the CSC of Galaxy S2:

Suppose you have flashed a firmware that was actually not meant for your country and you are concerned about the future Over-the-Air updates, you can change the CSC (Consumer Software Customization) code of your device as per your country to avail the official software updates. Here is how you can do it. If you do not know what the Samsung CSC of your country is, read our article.

Recommended Reading:

Root Samsung Galaxy S2 GT-I9100 on Android 4.1.2 Jelly Bean

Tags: Android 4.1.2 Jelly Bean Firmware Update How to Guides Jelly Bean Jelly Bean 4.1 Jelly Bean Update Samsung Galaxy S2

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Reader Interactions

Discussion

  1. May 1, 2015 at 1:31 PM
    hemakumar says:
    Reply

    pls help me guys…………….
    yesterday i tried install the lollipop firmware5.0.1…………… after completing CWM recovery mode…. i started to install that firmware which i copied to my phone’s internal storage…..after that when i started to install it…. it showing me installation aborted…. after that my mobile is not booting…. when i insert the battery some times it automaticaly goes to recovery mode…. and sometimes it shows s2 logo with yellow triangle warning………???? what can i do????? pls help mee

  2. Mar 3, 2015 at 8:24 AM
    Hamzan Jiffrul says:
    Reply

    Added!!

    Odin v.3 engine (ID:3)..

    File analysis..

    SetupConnection..

    Can’t open the serial(COM) port.

    Added!!

    All threads completed. (succeed 0 / failed 1)

  3. Oct 9, 2014 at 1:45 PM
    Mughil Gowdhaman says:
    Reply

    hi my phone does not go into download mode nor does it connect to my computer can you please give me the drivers needed to install on my computer and a solution for getting into download mode i am from india
    thanks in advance

    • Oct 9, 2014 at 4:37 PM
      Rakesh says:
      Reply

      USB Drivers: https://www.droidviews.com/android-usb-drivers-samsung-motorola-sony-lg-zte-htc-asus-huawei-acer/

      Pull out the battery, wait for a minute and try again to get into the download mode. Make sure you phone’s battery is not dead.

      • Oct 11, 2014 at 10:14 AM
        Mughil Gowdhaman says:
        Reply

        i tried but it does not work

  4. Apr 17, 2014 at 12:31 PM
    joy says:
    Reply

    hi ,first my phone detail GT-I9100,2.3.5,baseband-I9100XXKF1,kernal-2.6.35.7-I9100XXKI3-CL577579,gingerbread.jpkj2…now the problem is very wired,i have rooted my phone and i have CWM version 3.15,have rom manager but there is no way i can install JB or kitkat ..i tried almost all steps but the one place i always fail is when i try to install clockwork recovery via odin my phone dosen’t boot then i use a kernal flash to repair it..now about official firmware i downloaded the kitkat rom i tried the steps u mentioned band also via recovery mode but it gave me error and it didn’t install..my only question is can i install JB,kitkat or any update on this device..please help

  5. Sep 1, 2013 at 11:36 PM
    Farhan Memon says:
    Reply

    model number : GT-I9100

    Android version : 4.0.3
    baseband version : I9100XXLPW
    kernal version : 3.0.15-I9100JPLPC-CL537255
    [email protected] #3
    Build number : IML74K.JPLPC

    which rom i need to upgrade to jelly bean?

  6. Aug 28, 2013 at 10:19 AM
    Ashish Lifehouse says:
    Reply

    my phone does not rebot automatically

    wen i press power key it only shows samsung sII n get turn of after finishing odin work

    what should i do

    • Aug 28, 2013 at 12:41 PM
      DroidViews says:
      Reply

      Did you select the Auto Reboot option in Odin before installing the firmware?

  7. Aug 27, 2013 at 7:51 AM
    Ashish Lifehouse says:
    Reply

    model number GT-I9100

    baseband : I9100XXlp6

    kernal version : [email protected]#3

    build number : IMl74K

    can i have jelly bean 4.1.2

    is it factory unlocked

    • Aug 27, 2013 at 8:04 AM
      DroidViews says:
      Reply

      Yes, you can.

      • Aug 27, 2013 at 8:35 AM
        Ashish Lifehouse says:
        Reply

        Which firmware is best for nepal

        • Aug 27, 2013 at 12:11 PM
          DroidViews says:
          Reply

          India.

  8. Jul 18, 2013 at 1:20 PM
    Hewa Ali says:
    Reply

    please help me

    Added!!
    Odin v.3 engine (ID:85)..
    File analysis..
    SetupConnection..
    Initialzation..
    Get PIT for mapping..
    Firmware update start..
    zImage
    Complete(Write) operation failed.
    All threads completed. (succeed 0 / failed 1)

    • Jul 18, 2013 at 1:55 PM
      DroidViews says:
      Reply

      So, you’re getting error with installing and rooting both? What firmware version you device has?

      • Jul 18, 2013 at 2:42 PM
        Hewa Ali says:
        Reply

        model number : GT-I9100

        Android version : 4.0.3
        baseband version : I9100XXLPW
        kernal version : 3.0.15-I9100JPLPC-CL537255
        [email protected] #3
        Build number : IML74K.JPLPC

        please help me I can’t install any version

        • Jul 18, 2013 at 3:03 PM
          DroidViews says:
          Reply

          Then it should install fine. Reboot phone and computer, uninstall and reinstall the drivers and try again. Also check if you have enabled USB Debugging on phone.

          • Jul 18, 2013 at 3:26 PM
            Hewa Ali says:

            i try many time but doesn’t change
            I want to give me All file what should I do and the file support my phone.
            because I try and try but show me the same error.

            and firs time when I change my version I rooted but I remove root

          • Jul 18, 2013 at 3:38 PM
            DroidViews says:

            Okay, try with this: http://d-h.st/dFb

          • Jul 18, 2013 at 4:05 PM
            Hewa Ali says:

            this link doesn’t work
            I think my problem not connect to odin I think connected to other file or other thing

            please solve my problem

          • Jul 18, 2013 at 4:44 PM
            DroidViews says:

            What do you mean by “other file”?

          • Jul 19, 2013 at 6:36 PM
            Hewa Ali says:

            also I don’t know

            please give me away

          • Jul 19, 2013 at 6:41 PM
            Hewa Ali says:

            what about Re-partition ? If I Re-partition what happen on my mobile ?

          • Jul 19, 2013 at 6:52 PM
            Hewa Ali says:

            I have another problem !!

            Added!!
            Removed!!
            Added!!
            Enter CS for MD5..
            Check MD5.. Do not unplug the cable..
            Please wait..
            I9100XWLSD_I9100OJVLS6_I9100XXLS8_HOME.tar.md5 is valid.
            Checking MD5 finished Sucessfully..
            Leave CS..
            Odin v.3 engine (ID:85)..
            File analysis..
            SetupConnection..
            Initialzation..
            Get PIT for mapping..
            Firmware update start..
            boot.bin
            NAND Write Start!!
            factoryfs.img
            __Xmit Write fail
            XmitData Fail..
            Complete(Write) operation failed.
            All threads completed. (succeed 0 / failed 1)

          • Jul 19, 2013 at 6:54 PM
            Hewa Ali says:

            Firmware upgrade encountered an issue . Please select recovery mode in kies & try again

          • Jul 19, 2013 at 7:23 PM
            Hewa Ali says:

            heeeeeeeeeeeeeee

            I solve my problem

            heeeeeeeeeeeeeeeeeeee

          • Sep 1, 2013 at 11:33 PM
            Farhan Memon says:

            have u upgraded ur phone to jelly bean?

  9. Jun 28, 2013 at 8:39 PM
    chris says:
    Reply

    eer its me again…i want jellybean again ..i cinda fixed my prob and i want jb back…im from cyprus is this ok to flash?

    • Jun 28, 2013 at 9:07 PM
      chris says:
      Reply

      ok thx again:)

  10. Jun 26, 2013 at 11:24 PM
    Nyoks Canoy says:
    Reply

    fail… why? i’ve done all the instructions.. SGH-T989

    • Jun 26, 2013 at 6:15 AM
      DroidViews says:
      Reply

      It fails because you are trying to install a wrong firmware for another model. This guide is for GT-I9100 only.

      Install from here: http://droidviews.com/2013/update-t-mobile-galaxy-s2-sgh-t989-with-android-4-1-2-jelly-bean-firmware/

  11. Jun 6, 2013 at 5:45 AM
    Sujan says:
    Reply

    Hello, I am using galaxy s2 GT-I9100 version 2.3.5. I guess it is a T-mobile Germany (DTM) phone but it is unlocked and uses other sim cards here in NEPAL.
    *#simlock#
    Network lock [OFF]
    Network Subset Lock [OFF]
    SP Lock [OFF]
    Cp Lock [OFF]
    ……………………………………………………………………………………………………………
    *#1234#
    PDA: I9100BOKK1

    PHONE: I9100BOKJ1

    CSC: I9100DTMKJ3
    …………………………………………………………………..
    Kies Information
    current version : PDA:KK1/ PHONE: KJ1 / CSC: KJ3(DTM)
    …………………………………………………………………………………………….
    I would like to update it to jelly bean, but i am afraid that i will lock or brick my phone…
    1 will updating lock my phone again?
    2. Which firmware should i use
    Most of the sites relating to this versions are in German which i cant understand….. any help would be much appreciated…

  12. May 2, 2013 at 5:28 PM
    daniel vazquez says:
    Reply

    Hello, i have a epic 4G from sprint, i’m on guadalajara mexico, with IUSACELL CDMA,

    this update works for SPH-D710 CDMA ??

    cuz i want to have unbranded, without any thing from sprint.

    Thanks 😉

    • May 2, 2013 at 6:18 PM
      DroidViews says:
      Reply

      Hi Daniel, I have not yet tested this. If it was a branded device with GT-I9100, it would have been a safe game. But flashing the firmware for the international version on an US 4G variant might have bizarre consequences including a soft brick.

      If you dare take the risk, you can try installing it but download 2 firmwares-

      1. the latest official for your country: http://droidviews.com/2013/install-android-4-1-2-jelly-bean-firmware-on-samsung-epic-4g-sph-d710/

      2. One of the firmwares from above.

      Then use the steps given at this guide- http://droidviews.com/2013/how-to-downgrade-firmware-on-samsung-galaxy-devices/

      Many users have reported that they unlocked their phone using it. Install the unbranded firmware first. In case any unplesant situation takes place, immediately install the official 4.1.2 for Sprint.

      Besides you can also use this app: http://droidviews.com/2012/unlock-your-sim-locked-samsung-galaxy-ss2s3-with-galaxsim-unlock-app/

      Another way is to root your phone and install a custom ROM: http://droidviews.com/2013/want-a-fully-customizable-aosp-rom-for-your-android-try-carbon-rom/

  13. Apr 20, 2013 at 3:43 PM
    Ahmed Esam says:
    Reply

    my brother enter password more times wrong
    my phone stack on galaxy s2 logo
    i can;t open it 🙁

    • Apr 21, 2013 at 5:53 AM
      DroidViews says:
      Reply

      Use the Steps given under method 1 from here: http://droidviews.com/2012/how-to-recover-when-your-android-device-is-caught-in-bootloop/

  14. Apr 20, 2013 at 3:35 PM
    Ahmed Esam says:
    Reply

    i’m from egypt what’s the ver Contains arabic and english

  15. Mar 20, 2013 at 7:10 AM
    Sati Savitri Shah says:
    Reply

    Considering size of Samsung smartphone users in India, its a shame that Samsung decides to offer update at far end, after whole world is served. I think your site should take up this matter with Samsung, since lot of your Indian subscribers should feel the same way.

    • Mar 20, 2013 at 8:01 AM
      DroidViews says:
      Reply

      It doesn’t matter in a larger context. If you see, these firmwares are made available in phases. I remember several occasions when India was the first to get the updates. India has a large consumer base indeed, but mostly for low-mid end budget phones. Anyways, I have mailed Samsung India addressing this issue.

  16. Mar 20, 2013 at 7:07 AM
    Sati Savitri Shah says:
    Reply

    Which firmware is better? XWLSD or XWLSJ?

    • Mar 20, 2013 at 7:56 AM
      DroidViews says:
      Reply

      Both are the same.

  17. Mar 18, 2013 at 11:42 PM
    Yaniv says:
    Reply

    Ok, I just wanted to say thank you again, I’ve rooted my device and unlocked it using the link you gave and it worked great! thanks again!

    • Mar 18, 2013 at 4:35 AM
      DroidViews says:
      Reply

      Nice! Please support us at social networks!

  18. Mar 16, 2013 at 3:00 PM
    Yaniv says:
    Reply

    Hi, I’ve installed I9100XXLS8 version, and now my phone is network locked. Any advice on how to resolve this?Will installing another version do the trick? maybe Factory reset?
    I’d appreciate any help. I’m from Israel BTW, and I purchased my phone here legally, so it’s not supposed to be locked.

    • Mar 16, 2013 at 3:18 PM
      DroidViews says:
      Reply

      The firmware you installed was unbranded and for unlocked GT-I9100. How did that lock your phone?

      Anyways, try these: http://droidviews.com/tag/sim-unlock/

      • Mar 17, 2013 at 10:35 PM
        Yaniv says:
        Reply

        Hi, thanks for the reply. If I install a different firmware, will that might be able to resolve it? Or do I have to root my device now no matter what?

        • Mar 17, 2013 at 8:48 AM
          DroidViews says:
          Reply

          Well, I think SIM locking is at a different level than software. It lies within and you will have to unlock it separately. Firmware will not fix your issue, I am afraid. You can try it though.

  19. Mar 8, 2013 at 5:10 PM
    chathu2k4 says:
    Reply

    Hello im also from sri Lanka & using Galaxy S2 GT i9100, running 4.0.4. Below details are specs. Hope this is a T mobile (Germany – DTM ) carrier branded unlocked version & working fine with networks here.

    PDA : I9100BOLPM

    PHONE : I9100BOLP7

    CSC : I9100DTMLPF

    I want to update it to official 4.1.2 & please advice me that will this works for my phone without facing any network lock or brick? Or do i wait for their original release?

    Thank you.

    • Mar 8, 2013 at 5:14 PM
      DroidViews says:
      Reply

      As you said your phone model is GT-I9300 and it is unlocked too, you can install this firmware and it will work and will not brick you device. Do not worry about that and install the German or Italian firmware.

      • Mar 8, 2013 at 5:23 PM
        chathu2k4 says:
        Reply

        Thank you. I want to knw whether i can flash NEE (nordic countries) firmware for this? Or do you have any idea that which would be the most suitable firmware for Sri Lanka as far as released?

        • Mar 8, 2013 at 5:27 PM
          DroidViews says:
          Reply

          Well you can flash any European version from above, except the carrier branded ones. I have tested the Spanish and German ones.

          • Mar 8, 2013 at 6:18 PM
            chathu2k4 says:

            OMG! I cant believe this. Just flashed NEE firmware as per your instructions and it worked great. Now im with JB 4.1.2. And the best thing is every data & each personalized stuff which was on phone are also as it is. I have nothing to do except using phone & feel the latest 🙂

            Thanks million… TC.

          • Mar 9, 2013 at 6:35 PM
            DroidViews says:

            Nice and cheers!

          • Mar 12, 2013 at 1:41 PM
            chathu2k4 says:

            Hi one more thing.
            How do i get screenshot capture on this & multi window view isn’t included to this?

          • Mar 12, 2013 at 3:26 PM
            DroidViews says:

            To take screenshot, try this: http://droidviews.com/2013/how-to-take-screenshots-on-samsung-galaxy-grand-and-grand-duos/
            Multi-window is not available for S2. But you can have with a custom ROM. I am writing a best ROMs article for the S2, just wait for a day.

          • Mar 12, 2013 at 4:45 PM
            chathu2k4 says:

            Cool.. It worked. Thanks.. 🙂

  20. Feb 27, 2013 at 8:10 AM
    Nitin Shah says:
    Reply

    Updating with these “official” ROM, will leave you disconnected with KIES. Even your computer will not recogize your phone, preventing you to transfer files, music, videos from your computer. This is becuase CSC needs to match with the region you are in. These downsides, should be mentioned in the article and the user should know what he is getting into. Changing CSC may not be always possible,because your ROM may not support multi CSC.

  21. Feb 22, 2013 at 12:54 PM
    Guru Murthy says:
    Reply

    Is this firmware better than what is posted on
    http://droidviews.com/2012/leaked-samsung-4-1-2-xxlsj-firmware-rootedgalaxy-s2/
    ???

    • Feb 22, 2013 at 1:13 PM
      DroidViews says:
      Reply

      That was a leaked firmware which was premature and had bugs too. This is official release. Install it.

  22. Feb 20, 2013 at 8:59 PM
    Ahmed Esam says:
    Reply

    i have samsung galaxy s2 (gt-i9100) i need to install china language how i can do it plz ???

  23. Feb 19, 2013 at 12:48 PM
    Hrishi Oemraw says:
    Reply

    Can I use this method to Flash jb om my note. I have stock ics 4.0.3

    • Feb 19, 2013 at 12:50 PM
      DroidViews says:
      Reply

      No, do not dare flash it. Wait for the 4.1.2 firmware to arrive.

  24. Feb 17, 2013 at 4:11 AM
    win says:
    Reply

    is this stable? bug free?

    • Feb 18, 2013 at 3:03 AM
      DroidViews says:
      Reply

      There is nothing perfect in world. The ROM is stable and cool.

  25. Jan 25, 2013 at 5:47 AM
    Andy says:
    Reply

    Hi, is it possible for me to use the China Firmware on my S2 purchased from Singapore?
    Thanks in advance..

    • Jan 25, 2013 at 5:52 AM
      DroidViews says:
      Reply

      Yes, 100% Sure.

      • Jan 26, 2013 at 12:54 AM
        Andy says:
        Reply

        Hi, i failed to install the firmware. Wondering is there any things I need to do prior to reboot?

  26. Jan 23, 2013 at 2:07 PM
    Temitope Jokotagba says:
    Reply

    This is unbranded firmware officially for the Galaxy S2 users in Spain, but you can install it on your Galaxy S2 model number GT-I9300. It should be GT I9100.

    Great post BTW

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