Tips & Tutorials

Update Galaxy S3 I9300 to XXDLI3 Android 4.1.1 Jelly Bean Official Firmware

XXDLI3 Android 4.1.1 Jelly Bean firmware update for Galaxy S3 I9300 is now available to download. We just tried it and it works great with almost no bugs. I9300XXDLI3 was released earlier today and you can now install it on your Galaxy S3 as a full firmware. You can now install XXDLI3 Android 4.1.1 on Galaxy S3 I9300 using ODIN with our easy tutorial. You can also root XXDLI3 Android 4.1.1 now!

As you continue reading below, we will guide you through the entire process of installing XXDLI3 Android 4.1.1 on Galaxy S3 I9300 using ODIN. Don’t forget to backup all your data as a precaution. You can backup all your data with the given tips below. Let’s continue with the tutorial now.

Samsung Galaxy S III - Pebble Blue

Disclaimer: All the tools, mods or ROMs mentioned below belong to their respective owners/developers. We ( or the developers are not to be held responsible if you damage or brick your device. We don’t have you on gun point to try out this tutorial 😉

LATEST! A new firmware XXDLI4 Android 4.1.1 Jelly Bean has been released for the Galaxy S3 I9300. Check here how to install!

NOTE: Since this is a leaked firmware, make sure you know that after installing this firmware update, your can get FC errors, boot loops, several other bugs, apps might not work or worse, your phone might not boot. To fix, you will have to reinstall stock firmware.

Android 4.1.1 XXDLI3 Firmware Details:

Base Firmware: I9300XXDLI3 (4.1.1)
Region Europe
Country: United Kingdom
Carrier: Unbranded
Build Date: 5th September 2012
Modem: XXDLI3
Change List:

Previous Jelly Bean tutorials for Galaxy S III:

Make sure you have installed all your USB drivers for the Samsung Galaxy S III to connect it with the computer. Download Samsung Galaxy S3 USB drivers! Apart from just the USB drivers, there are a few more things that you need to take care of.

1. You need to enable USB debugging mode. This helps to connect your Android phone with the PC. See here: How to Enable USB Debugging. (optional, when updating via ODIN).

2. Your phone battery should be 80-85% charged. If your phone goes off suddenly because of battery, during flashing ROMs or installing mods and updates — your phone might go dead permanently. See here: How to Check Battery Percentage.

3. Backup all your important data that you might need as soon as your flash a new ROM, or make a backup for just in case, you never know when anything might go wrong. See below on how to backup data:

Data can also be backed up using Samsung KIES for their devices, but if you backup data manually, you get more options what top choose from and it is very easy to move data across Android devices from different manufacturers, i.e moving Samsung Galaxy Note backup data to HTC One X.

4. Your phone should be factory unlocked. Additional instructions for locked Android devices will be added in the tutorial for unlocking devices.

Now, let’s proceed with the tutorial on the next page and update Galaxy S3 I9300 to XXDLI3 Android 4.1.1 official firmware.

About the author

Haris Nadeem

He lives on everything Android; has countless devices, apps and games to play with everyday. Currently serving as the Chief Editor at Team Android.


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