Breaking : Update Android 4.3 For Samsung Galaxy S3 I9300 Leaked Firmware

This is breaking news !! All Galaxy S3 users must be mad today!! We start seeing Android 4.3 leaked firmware for Samsung Galaxy S3 I9300 international model. The firmware package is exclusively come from Sammobile. After getting Android 4.3 leak firmware for Note 2, now is the turn for the best phone of 2012, Samsung Galaxy S3. According to Sammobile, the leaked firmware has been tested with very stable performance. From the feedback from the users, it is good enough for daily drive, however, bear in mind that it is not official Android 4.3 firmware for Galaxy S3, so some features may missing from the original firmware. Test it on your own risk.

As we know, in android 4.3, Samsung upgraded the Setting app to tabbed interface for easier browsing. We will see the same features happen on this test firmware. Galaxy S3 will use the same old TouchWiz launcher and widgets on Android 4.3 while S4 and Note 3 has changed to newer launcher which make sense to us. Samsung Knox is also missing from this test firmware and we believe it will be included in the final release.

You can now test the leaked firmware with CSC changer since this firmware is leaked for Germany Vodafone. Download the CSC Changer for Galaxy S3 from Google Play Store.

Androidteen Android4 3 on Galaxy S3 I93001 Androidteen Android4 3 on Galaxy S3 I93002 Androidteen Android4 3 on Galaxy S3 I93003 Androidteen Android4 3 on Galaxy S3 I9300

Galaxy S3

Samsung Galaxy S3 is Samsung flagship smartphone in 2012 with 4.7 inches 720p Super AMOLED display, Samsung Cortex Quad-Core 1.4GHz processor, 1GB RAM, 16GB internal storage and 8MP rear camera. It is running Android 4.0.3 Ice cream sandwich out of the box. It can be upgraded to Android 4.3 Jelly Bean.

How To Update Samsung Galaxy S3 to Android 4.3 Jelly Bean Test 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. But as of now, we need use the 3rd method to update the test firmware manually.

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. (HTCSamsungLGSonyMotorola). Use this guide on your own risk, contact us for help if you face problem.

Pre-requisites & Requirements

  1. Samsung Galaxy S3 I9300 (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 S3 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 backupon 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 S3 via OTA (Not Available Yet)

  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 S3 via Samsung Kies

(Not Available Yet)

  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 S3 via Odin

The firmware information is listed as below:


Model: GT-I9300
Country: Germany (Vodafone)
Version: Android 4.3
Changelist: 1902166
Build date: Sat, 26 Oct 2013 12:24:03 +0000
Product Code: VFGPDA: I9300XXUGMJ9
Download: (930MB) – Source

  1. Download and extract in a folder in computer.
  2. Download and extract 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 v3.09 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.
  17. If you encounter boot loop or frequent force close, we suggest you wipe your phone data / factory reset it to get normal performance, but it will erase your device data entirely.
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A 18 years old young android enthusiast who loves Android (Big fans of David Beckham too). He enjoys learning, testing and sharing on Android latest technologies. He likes to play around with custom ROM flashing, customize theme, discover new applications, system tweaking and more. Now, he owns Galaxy Note 2, HTC One, Nexus 7, Nokia Lumia 520 and iPhone 5.