The Android 4.1.1 Jelly Bean firmware (I9305XXALK3) update for the international LTE variant of Samsung Galaxy S3 (I9305) is now available for installation via KIES. The firmware update is expected to bring a remedy for issues present in the previous build, improving the overall performance of the handset.

If the users face difficulties in updating the firmware, they can try out a manual updating process explained below.

The users should note that while installing I9305XXALK3 official Android 4.1.1 Jelly Bean firmware in Galaxy S3, a tool called ODIN will be used that will help flash the stock 4.1.1 firmware in the device. However, during the updating process, the users may lose all the existing installed apps and personal settings. Therefore, having a proper backup is highly recommended.

Here are the details of Android 4.1.1 I9305XXALK3 Jelly Bean firmware:

PDA: I9305XXALK3

CSC: I9305DNFALJ2

Version: 4.1.1

Date: 2012-11-09

Regions: Austria, Belgium, France, Germany, Hungary, Italy, Spain, United Kingdom

Below are some prerequisites to consider:

- This tutorial is only for Samsung Galaxy S3, model number I9305. Don’t try this on any other Android device.

- Make sure that the device has at least 80 percent battery power.

- You have USB Driver Installed for you Samsung Galaxy S3 in your PC. [Download]

- Ensure that USB Debugging is enabled.

The users also must note that IBTimes will not be held responsible for anything that goes wrong. They should proceed at their own risk.

Required Files

- Android 4.1.1 I9305XXALK3 for Galaxy S3 I9305

- Odin3 v1.85

Procedure

Step 1: Extract the firmware zip file.

Step 2: Extract Odin zip file.

Step 3: Power off your phone and wait for vibration to confirm complete switch off.

Step 4: Put the Samsung Galaxy S3 I9305 in Download Mode by pressing and holding down the Volume Down and Home buttons while pressing the Power button until Samsung Galaxy logo appears on the screen. After some time, your phone will be in download mode.

Step 5: Run Odin3 v3.07.exe as an Administrator.

Step 6: Connect the Galaxy S3 I9305 with your PC via USB.

A message will appear saying “Added” under the Odin's message box. In addition, if the device is connected properly, you will see the COM port with a number in Yellow.

Step 7: Select the following files in Odin at relevant tabs from extracted T889UVALK8 firmware folder:

- Click the PDA Button and select the .tar file here with *code* appearing in its name

- Click the Phone Button and select file with *modem* in its name (leave if there is no such file)

- Click the CSC Button and select file with *csc* in its name (leave if there is no such file)

- Click the PIT Button and select the .pit file. Use this file only if you get it while extracting in step 1, or else just ignore it.

Step 8: In Odin window, ensure Auto Reboot and F. Reset Time checkboxes are selected. In addition, if you are using a .pit file, ensure that Re-Partition checkbox is selected. Otherwise, it should NOT be ticked.

Step 9: Click on the START button to begin the flashing process.

Step 10: After flashing is complete, you will get a PASS message with green background in the left-most box at the top of the Odin. The phone will then automatically reboot and you will see the Samsung logo after sometime. After that, you can unplug the USB cable to disconnect your device from computer.

If your Galaxy S3 I9305 gets stuck at booting after Step 10, go to recovery mode by pressing and holding down the Volume Up, Home and Power buttons together and perform Wipe data/Factory Reset. After that, select “reboot system now.”

[Source: Android Jinn]