How To Update Galaxy S3 GT-I9300 to Official I9300XXELKC Jelly Bean Android 4.1.2 Firmware

XXELKC Android 4.1.2 Jelly Bean firmware update is started to be released to International Samsung Galaxy S3 GT-I9300. The Android 4.1.2 Jelly Bean update was first started and released in Poland. This update bring a lot of new features to Galaxy S3 which has been integrated in Samsung Galaxy Note 2 during its release.

Below is the complete tutorial and the new features details about I9300XXELKX. I hope you really enjoy updating your Galaxy S3 to the latest official firmware.

New Features on I9300XXELKX Official Firmware On Samsung Galaxy S3

-Multi-View (Multi-Windows Multitasking, same as in Note II)
-Page Buddy
- New Gallery App (Same as in Note II)
- Notification Panel (Notification Panel can now be customized)
-Brightness Slider in Notification Panel Can Now Be Disabled
-Smart Rotation (Screen Display adjusts to your angle of sightings)
-Continues Input in Samsung Keyboard (Like Swipe or Android 4.2 Keyboard)
-Paper Artist App
-Group Cast App

Disclaimer

It’s always risky to root your device and be warned that a failure may brick your device. In order to keep your device safe, please read carefully every single line of the tutorial and follows the steps exactly. We are not responsible for any damage to your device.

Compatibility

The tutorial and guide below is only compatible to Samsung Galaxy S3 GT-I9300 model. It will not compatible to other devices.

Check phone model – Goto Settings -> About Device -> Model Number.

Requirements

1. Windows-based PC

2. Samsung Galaxy S3 GT-I9300.

3. Download and install USB drivers on PC. Download Samsung USB Driver for Windows and Samsung Kies.

4. Enable USB Debugging on your device. How to Enable USB Debugging Mode on Android Device.

5. Backup your personal data on phone to PC to ensure you keep a copy of your personal data (SMS, MMS, Contacts, Internet Settings, Photos and etc). How to Backup Personal Data On Android Device.

6. Make sure your phone is charged to 50% to avoid interruption during flashing. How to Check Battery Level On Android Device.

Download

1. Android 4.1.2 Jelly Bean XXELKC Official Firmware  (I9300XXELKC_I9300OXXELK4_XEO.zip, 838.8MB) – Development page

2. Odin3 v3.04 (Odin3_v3.04.zip, 456.59KB).

Instructions:

1. Extract I9300XXELKC_I9300OXXELK4_XEO.zip and Odin-v1.85.zip a folder.

2. You should see I9300XXELKC_I9300OXXELK4_XEO.tar.md5 from I9300XXELKC_I9300OXXELK4_XEO.zip and Odin3 v3.04.exe from Odin-v3.04.zip.

3. Now, turn off your phone.

4. Entering Samsung Galaxy S3 Download Mode by pressing and hold the Volume Down key, Home button, and Power button, followed by Volume Up button right after the screen turns on.

5. Connect your phone to your computer via USB cable.

6. Launch Odin by double-clicking on Odin3 v3.04.exeWait until an “Added” message shown at the lower-left message box of Odin user interface.

7. Once your phone is recognized, click on the PDA button and select the I9300XXELKC_I9300OXXELK4_XEO.tar.md5

8. Make sure the Repartition option is not checked under Options & check on Auto Reboot.

9. Click Start button to flashI9300XXELKC_I9300OXXELK4_XEO.tar on your Samsung Galaxy S3. The progress can be observed via Odin User Interface.

10. Once the flashing is completed, a green “PASS” message will be shown to indicate the flashing is successful.

11. Disconnect your phone now and your phone shall reboot automatically.

12. Your Samsung Galaxy S3 GT-I9300 has been successfully updated with Multi Windows feature.


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