Update Galaxy S3 with Official Jellybean 4.1.2 XXELKC Firmware


Update your Samsung Galaxy S3 to use multiview feature that is based on Android 4.1.2 JZO54K. Here in this article you will come across other features ported when device is updated officially with Jellybean 4.1.2 XXELKC Firmware. There is no need to fret as this is not the leak or beta version firmware update. If you update this Jellybean 4.1.2 firmware on Galaxy S3 then the root access will get canceled. You can check that through Root checker app.

Well, with Jellybean 4.1.2 XXELKC update user can customize the notification panel to get the maximum enhanced view on device. In addition to that enjoy typing through latest Android 4.2 Keyboard. The update brings the pre-installed Page buddy, paper cast app and Group cast apps. All new Galaxy Note II Gallery in free get installed. There are many more features waiting to get discovered by you.


  1. Samsung Galaxy S3 (rooted or without root)
  2. Computer with internet connectivity
  3. USB cable
  4. Backup all the personal data using backup app or through KIES
  5. Enable the USB Debugging by Settings-> Applications-> Development
  6. Minimum battery power must be 50%

Steps to update Galaxy S3 I9100 with official Jellybean 4.1.2 XXELKC

Step 1: Download official Jellybean 4.1.2 XXELKC firmware for Galaxy S3 I9100 in computer and extract it.
Step 2: Now download Odin in computer and extract it.
Step 3: After this switch off the device to get the download mode on the device. To land in download mode press the Volume down key+ Power button and then attach the cable to computer.
Step 4: Launch the Odin from the extracted folder and when the device gets attached the ID: COM turns yellow. If this doesn’t happen then enable the KIES option by Settings-> Wireless & Network-> USB Settings.
Step 5: Click on PDA in Odin and select the extracted tar file and then click on Start to initiate the program.
Step 6: Wait for few minutes to get the pack installed in your Galaxy S3. Once this get finished, the PASS message appears in Odin screen. If Fail message appears then restart the PC and follow from step 3 to 6.

Congratulations, you have learned the procedure to update Galaxy S3 I9100 with official Jellybean 4.1.2 XXELKC firmware.  We‘ll soon come up with the root procedure.

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