Galaxy S2 I9100: Update VJMS3 Android 4.1.2 Jelly Bean Official Firmware

Another Android 4.1.2 Jelly Bean VJMS3 stock firmware update is now arrived to the Brazil Samsung Galaxy S2 device. We have been updated you with the latest guide to upgrade your device to the latest Android version and now it is the time for Galaxy S2 I9100. We bet you already know the new features in Android 4.1.2 Jelly Bean on Galaxy S2 and you are too eager to get it installed on your device now.

The firmware update is coded as VJMS3 and start rolling out in Brazil on Samsung Kies as well as OTA. As of now, change log regarding this firmware update is remain unknown but it should help to fix some bugs and improve your S2’s performance. In this post, we will guide you how to update your Galaxy S2 to latest firmware via Kies, OTA and manual update with Odin.

It does change pretty much in the 4.1.2 Jelly Bean UI on Galaxy S2 which gives you a refreshing look and brand new user experience on your device. Some users may feedback the battery drain issue and lack of memory due to the Jelly Bean update on their Galaxy S II. If such a case, you can always flash back to previous Android 4.0.4 Ice Cream Sandwich using Odin. It does not void the warranty nor wipe data from your device.

Android 4.1.2 Jelly Bean Features on Samsung Galaxy S2 I9100

How To Update Samsung Galaxy S2 to VJMS3 Android 4.1.2 Jelly Bean Official Firmware

We have total 3 ways to update your devices officially. They are update via OTA (Over-The-Air), update via Samsung Kies and manual update via Samsung Odin. Update via OTA and Samsung Kies are the easiest ways for update yet you have to wait the release from Samsung (It could takes up to a month of waiting). Manual update with Odin is the fastest way to get latest update yet need some additional manual installation steps. We will cover all 3 update methods in our tutorial.

Disclaimer: It’s always a risk to modify your device. We, Android Teen are not responsible for any damage or bricks on your device. Your device warranty may void with any mod. Check your devices warranty’s term & conditions before start. (HTC, Samsung, LG, Sony, Motorola). Use this guide on your own risk, contact us for help if you face problem.

Pre-requisites & Requirements

  1. Samsung Galaxy S2 I9100 (Ensure correct device model and firmware; Check device model – Go to Settings -> About Device -> Model Number)
  2. Windows-based computer or laptop
  3. Download Samsung Galaxy S2 USB driver for Windows and install in your computer. Connect device to computer with USB cable to complete installation. Skip this step if you have installed the USB driver.
  4. Enable USB Debugging on your device. How to Enable USB Debugging Mode on Android Devices.
  5. Make sure your phone is charged to 60% 80% to avoid battery blackout and interruption during this tutorial.
  6. We recommend you make a backup on your data and media files before the tutorial. You may restore the data and files if necessary.

Reminder: Firmware upgrade should not delete your device data yet you may experience inconsistent performance after upgrade. Optionally, we recommend you to make a backup and do a clean upgrade. Ensure you meet the requirements before proceed. Contact us if you face problem.

Choose Your Update Methods:

Instructions: How To Update Samsung Galaxy S2 via OTA

  1. Ensure you have stable internet connection (Wifi or data network) on your devices.
  2. Power up your device, go to android apps drawer, select Settings.
  3. Under Settings menu, select About device under System.
  4. Select Software update under About device.
  5. Select Update (Check for updates).
  6. You should see an update available, press OK to download and install. (Caution: Download with 3G will incur additional charges to your phone bill!)
  7. Your device will reboot automatically and complete installation.
  8. If you see “The latest updates have already been installed”, you have to wait for Samsung to release the OTA update.
  9. Check out manual updates which give you the fastest and latest firmware update.

Instructions: How To Update Samsung Galaxy S2 via Samsung Kies

  1. Ensure you have stable internet connection on your computer.
  2. Download and install Samsung Kies on your computer.
  3. Power up your device and connect it to computer with USB cable.
  4. Open up Samsung Kies on your computer.
  5. Wait for Samsung Kies to detect your device.
  6. You should able to see New Firmware Upgrade is available at the home of Samsung Kies.
  7. Press on Firmware Upgrade button to proceed.
  8. Check the box to agree all the T&C about the upgrade and Press Start Upgrade to proceed.
  9. Wait download and installation to run. Do not disconnect your device at this moment.
  10. You should see your device running upgrade and reboot automatically.
  11. Upgrade is complete. (Check device firmware – Go to Settings -> About Device –> Android & Baseband version)
  12. If you see “This is the latest firmware” in Samsung Kies, you have to wait for Samsung to release the update via Samsung Kies.
  13. Check out manual updates which give you the fastest and latest firmware update.

Instructions: How To Manual Update Samsung Galaxy S2 via Odin

If both OTA and Samsung Kies updates do not work for you, follow tutorial below to manual update your device with Samsung Odin. The firmware information is listed as below:

Firmware details:
PDA: I9100VJMS3
CSC: I9100ZTRMS3
MODEM: I9100UHMS1
Download: VJMS3 firmware for Galaxy S2 I9100 (I9100VJMS3_I9100ZTRMS3_ZTR.zip | 562.6 MB)

  1. Download and extract Odin3.07.zip in a folder in computer.
  2. Download and extract I9100VJMS3_I9100ZTRMS3_ZTR.zip to get *.tar or *tar.md5 in a folder in computer.
  3. Power off your device.
  4. Enter Download Mode by pressing and hold the Volume Down key, Home button, and Power button.
  5. You should see a warning triangle sign, press Volume Up to continue.
  6. You should see Odin Mode at the top and Downloading… , Do not turn off target!!
  7. Launch Odin executable file by double-clicking on Odin3 v3.07 exe.
  8. Connect your device to your computer with USB cable.
  9. Wait until Odin to show an “Added” message at the lower-left message box.
  10. After your device is detected by Odin, click on the PDA button and select the *.tar or *.tar.md5.
  11. Make sure the Repartition option is not checked under Options & checked on Auto Reboot.
  12. Click Start button to flash *.tar or *.tar.md5 to your device. Monitor the flash progress on Odin.
  13. A green “PASS” message should show for a success flashing.
  14. Your device shall reboot automatically.
  15. Upgrade is complete. (Check device firmware – Go to Settings -> About Device –> Android & Baseband version)
  16. If you fail to flash *.tar.md5 firmware, remove the extension of *.md5 with only *.tar and try to re-flash again.

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A 17 years old young tech enthusiast who loves Android and smartphone. He love to learn and share Android latest technologies to public users. He likes to play around with custom ROM flashing, customize theme, system tweaking and discussion with other developers on Android development. Now, he owns Galaxy S3, LG Optimus L5, Sony Xperia Z and pre-owned Sony Xperia P, HTC One X, LG Optimus G.