Update Galaxy S3 GT-I9300 with Official Jellybean 4.1.2 XXELLC Firmware

Galaxy S3 Jellybean Update

The official update of Jellybean 4.1.2 is now available for Samsung Galaxy S3 GT-I9300. This latest software update is dubbed as XXELLC and go released in Spain yesterday. Including Spain lot many other countries like United Kingdom, Germany, France, Belgium, Hungary, Italy and Austria tasted Jellybean. This official Android 4.1.2 release brings several features such as advanced gallery app, paper artist, page buddy, multi-view, smart rotation and group cast app. Not only the amazing app but also includes other software features that to be hunt by you after updating your device.

The software updates is available over the air and if you are unable to update it then flash by following procedure. Remind you again that this is official update and any means if the device is rooted then it get revoked. We will soon bring the rooting procedure for this software.

Caution: Though it’s an official update, the silly mistake done by you can affect your device. It is great to take the responsibility of any damage by yourself.  There is no such guarantee that the information will work 100 percent. If any problem is there we will definitely help you to overcome.


  1. Samsung Galaxy S3 GT-I9300
  2. Computer (Windows XP or Windows 7)
  3. Original USB Cable
  4. Install Samsung KIES in PC and update through internet from official site. This is very important that upgraded version of KIES must be used to officially the device updated when its attached
  5. Disable the antivirus program and uninstall the same in Smartphone to avoide inturuption while updation
  6. Make the device data backup incase of loss or corruption, backup all the SMS, Contacts, call logs, MMS, videos, songs, apps, APN passwords and other files present in direct phone
  7. Make sure that the Smartphone has 50% battery charge or more to avoid automatic shut down while updation


  • WinRar to extract file
  • XXELLC firmware

Procedure to update Galaxy S3 with official Jellybean 4.1.2 XXELLC firmware

  1. First make sure you followed the entire above requirement, battery charged, installed both the software (WinRar+ Samsung kies) in computer and installed the zip file.
  2. Then extract the zip file and you get the Odin file and the software in your computer. Place the files in desktop to find them easily.
  3. Turn off the device and land it in download mode by press-holding the VOL DOWN KEY+ HOME+POWER Button. Then again press the volume key after releasing the all buttons.
  4. Now double click the Odin to launch it and then connect the device via USB cable. When the device gets detected by Odin the pass message appears. If this doesn’t happen then enable the kies option.  You must not have upgraded the Samsung KIES from the official Samsung site. The Odin ID:COM box turns yellow and move to next step.
  5. Click on PDA option in Odin and the select the tar.md5 file that was extracted by you earlier.
  6. Then click on start to flash the firmware. Wait for few minutes and a PASS message appears confirming the flashed update.

Congratulations, you have successfully learned to flash the Jellybean 4.1.2 official XXELLA update on your Samsung Galaxy S3 GT-I9300 easily. Samsung Galaxy S3 is a phone that got popular by its features and inspired from nature and made for human is the best saying. If you want to get in more updates on custom ROMs or firmware updates then do not forget to visit our site. Leave the comment if have any doubt.

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