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Install Jelly Bean 4.1.2 XWLSW Official OTA Update for Samsung Galaxy S2 I9100

A brand new firmware update has been released for the Samsung Galaxy S2 I9100 smartphone. It is still based on Android 4.1.2 Jelly Bean and it can be installed via OTA Update or using the Samsung KIES software. However, this post is for users who didn’t receive the official update and for those who want to install it manually.

The installation of this new firmware might not be needed for smartphones that are already using the Android 4.1.2 Jelly Bean stock OS. The I9100XWLSW firmware OTA Update for Galaxy S2 I9100 has been pushed out for Europe region, but you can install it on any International model of the smartphone. Before starting the installation process, you will first need to read the preparation guide below:

  • use this post only for the Samsung Galaxy S2 model number I9100. Do not attempt to flash this firwmare update on any other Android device.
  • if your smartphone is running on stock Android, then you’re set and you can install the new update easily without seeing any major changes applied.
  • if your device is currently rooted, then you should that the root access will be removed and the device restored to stock OS.
  • if there is any custom Recovery installed, the installation of I9100XWLSW firmware will remove it and flash instead a stock Samsung Recovery mode.
  • make sure that your computer has all the Samsung USB Drivers installed on it. If it doesn’t, then you can download and install them from here.
  • enable the USB Debugging from your smartphone’s Developer Options menu. If this menu isn’t shown in Settings, then you should open About Phone menu, scroll down to Build Number and tap this section 7 times. The Developer Options menu will now be enabled.
  • disable all the antivirus applications from running on your computer. Such applications will block apps like ODIN and you won’t be able to complete the updating process.
  • try and backup some of your most important data files.
  • disable the Samsung KIES software from running on your smartphone.
  • use this tutorial only if you know what you’re doing or, in case you’re a beginner, ask for more help in our comments field.
  • make sure that the phone’s battery has enough power left in it before starting the updating process. If the phone powers off in the middle of the I9100XWLSW firmware installation, your device might get bricked.
  • don’t skip any instructions that are listed in the tutorial guide below.
  • please note that we cannot be blamed in case you lose data files or you brick your smartphone while trying to install this new Jelly Bean 4.2.2 official update. You’re installing all these files at your own risk.
  • if you have problems in installing this new firmware update for your Android device, then you should ask for extra help in comments.

These were all the guidelines that you had to go over in order to prepare your smartphone for the updating process. Since you know all of the above, I think that you can continue to the next part of this post.

How to flash I9100XWLSW Android 4.2.2 Jelly Bean Update for Samsung Galaxy S2 I9100:

  1. Download the I9100XWLSW zip file from HERE. Save the file on your PC.
  2. Unzip the file and you should get the ‘I9100XWLSW_I9100XEULS5_XEU.tar.md5’. This is the file that you have to flash using ODIN app.
  3. Download Odin3 v3.07 from HERE. Extract the zip contents and place them all in a single folder.
    > if ODIN 3.07 doesn’t work then you can try to use version 3.04 (here) or 1.85 (here).
  4. Power off your Galaxy S2 completely.
  5. Now, boot it into Download Mode. (that’s a guide for Galaxy S4 download mode boot, but it works for Galaxy S2, too)
  6. Launch the ODIN exe on your PC.
  7. When the SGS 2 is in download mode and ODIN is running on your computer, you will have to connect the PC with the smartphone using the USB data cable.
    >¬†ODIN will say ‘Added’ and that means that everything went according to plan and you can continue to the next part of this post.
    > If the phone isn’t recognized by your computer, then you will need to try to change the USB ports or reinstall the Samsung USB Drivers, a download link is listed above in the preparation guide.
  8. Click the ‘PDA’ button in ODIN and then you should browse your PC for the file that you unzipped in step 2.
  9. Load the I9100XWLSW tar.md5 file in ODIN.
    > don’t change any other default ODIN Settings.
    > make sure that the Re-Partition option is not enabled.
  10. Click the START button whenever you’re ready to begin the updating process. This should take only several minutes to install all the required files of Android 4.2.2 XWLSW Update for Galaxy S2 smartphone.
  11. When the installation is complete, ODIN will say ‘PASS’ and your device will reboot.
  12. Unplug the phone from your computer after your device reboots.
  13. Enter your Google Account info when asked and take control over your smartphone once again.
  14. Verify that your device has been updated with XWLSW Android 4.2.2 firmware by opening Settings and then ‘About Phone’ menu.

These were all the steps that you had to take in order to successfully flash this new firmware update for your Samsung Galaxy S2 phone. If the installation has been completed with success, then you can close this tutorial and start testing the new operating system.

However, users who experienced problems while trying to install XWLSW Jelly Bean stock OS should read the extra info below:

  • if ODIN says that the install has failed or ODIN doesn’t do anything, then you will need to unplug the phone from computer.
  • close ODIN.
  • remove the phone’s battery and then re-insert it after 5 seconds.
  • launch ODIN exe on your PC.
  • boot the phone into Download Mode and then you will be forced to repeat the entire tutorial once again.

If the update doesn’t install at your second time, then you might want to try another version of ODIN. Use the extra download links listed in step 3. I hope that you managed to upgrade your smartphone.

Another problem that you might stumble upon might be the one where ODIN says ‘PASS’, but the Galaxy S2 is unable to go past the Samsung boot animation screen. This will require you to boot into Recovery mode and factory reset the device.
This means that you will lose all the data stored on your phone, but it will force the phone to boot with the new XWLSW Jelly Bean 4.2.2 stock ROM. Here’s how to do that:

  • power off your smartphone completely by removing its battery.
  • re-insert the Galaxy S2 battery into its place.
  • press and hold Volume Up, Home and Power buttons.
  • release the buttons when the screen flickers or the Recovery logo appears.
  • from the main Recovery menu select ‘wipe data/ factory reset’ option. Confirm.
  • select ‘reboot system now’ and wait for your smartphone to boot into normal mode.

Now your Galaxy S2 is running 100% stock Android 4.2.2 XWLSW Jelly Bean ROM. If your phone was rooted, then you will notice that this was revoked and you will a whole new tutorial to root it. Keep an eye on our web page as we will try to find a working guide that can help you root your smartphone.

If you have any other questions, then you should use the comments field below.

Samsung Galaxy S2 Articles