Samsung Galaxy S3
I9300XXUGNB6 Android 4.3 Jelly Bean stock firmware released for Galaxy S3 (GT-I9300) Samsung

Samsung has started rolling out yet another Android 4.3 Jelly Bean stock firmware update with build number I9300XXUGNB6, for the international variant of Galaxy S3 (GT-I9300). This is a follow-up release to I9300XXUGNB4 base firmware, which was released a few days ago.

This is a regular maintenance update from Samsung which brings several bug-fixes and performance improvements over its previous release.

The firmware update is now available for download Over-The-Air in several countries including the United Arab Emirates, Afghanistan, Algeria, Egypt, Iran, Iraq, Kenya, Libya, Morocco, Nigeria, Pakistan, Saudi Arabia, South Africa, Tunisia and Turkey.

Galaxy S3 users can also download this firmware update via Samsung KIES.

Those who missed the OTA update notification and those who cannot access the update over Samsung KIES for some reason, can download and install the same manually, using this guide.

I9300XXUGNB6 Android 4.3 Firmware Details

Version: Android 4.3
Build date: Feb 25, 2014

NOTE: As this is an unbranded firmware, it can be installed on any unlocked international variant of Galaxy S3 regardless of the country or region.

IBTimes UK reminds its readers that it will not be held liable for any damage to device during or after firmware installation. Users are advised to proceed at their own risk.


1. Install necessary USB Drivers for Galaxy S3 GT-I9300 on the computer.

2. USB Debugging Mode should be enabled on the phone by navigating to Settings >> Developer Options.

3. Back up your important data to avoid potential data loss during firmware installation.

4. Ensure the phone is factory unlocked (not locked to any specific carrier).

5. Verify Galaxy S3 has at least 80 percent battery charge.

6. The Android 4.3 I9300XXUGNB6 firmware is compatible with Galaxy S3 GT-I9300 only. Do not attempt installing it on incorrect variants as it may brick the device. Verify the model number of the Galaxy S3 by navigating to Settings >> About Phone.

Downloads Required

1) Android 4.3 XXUGNB6 Jelly Bean official firmware (register via SamMobile to download)

United Arab Emirates:


United Arab Emirates:





Saudi Arabia:

2) Odin v3.09

Steps to Update Galaxy S3 with Android 4.3 I9300XXUGNB6 Jelly Bean Official Firmware

Galaxy S3 Gets I9300XXUGNB6 Android 4.3 Stock Firmware

Step 1: Extract Android 4.3 I9300XXUGNB6 firmware zip file via WinRAR/7-Zip or WinZip to obtain a .tar.md5 file and some other optional files.
Step 2: Next Odin zip file should be extracted to get Odin3 v3.07.exe along with few other files.
Step 3: Power off the Galaxy S3 and boot the device into Download Mode. To do so, press and hold Volume Down, Home and Power buttons together until a construction Android robot icon with a warning triangle appears on screen. Then keep tapping Volume Up button to progress into Download Mode.
Step 5: Launch Odin on computer as an Administrator.
Step 6: Now connect Galaxy S3 I9300 to computer with USB cable in Download Mode. When Odin detects the device and a pop-up message reading "Added!" appears on screen, the ID: COM box will turn light blue with the COM port number.
Note: If the Added message fails to appear, then try re-installing USB drivers or changing the port on computer.
Step 7: In Odin, click on AP button and select the firmware file with .tar.md5 extension (firmware filename:I9300XXDLJ5_I9300ODDDLI7_INU.tar.md5)

Step 8: In Odin, select Auto Reboot and F. Reset Time options. But, the Re-Partition option must be checked only if you used the .pit file in previous step.
Step 9: After ensuring that Step 7 and Step 8 are done correctly, hit the Start button in Odin to begin installing the firmware.
Step 10: After the firmware is installed, a PASS message with green background appears in the left-most box at the top of Odin. Galaxy S3 will then reboot to the Home screen. It is now safe to disconnect the USB cable and remove the phone from computer.

Galaxy S3 GT-I9300 is now running I9300XXUGNB6 Android 4.3 Jelly Bean stock firmware. Head over to Settings >> About Phone to verify the firmware installed on the device.

Troubleshooting: If Galaxy S3 I9300 is stuck at boot animation after Step 10, then boot into recovery mode (press and hold the Volume Up, Home and Power buttons together), and perform Wipe data/Factory Reset and Wipe Cache Partition task before choosing Reboot System Now option.

Note: In recovery mode, use Volume keys to navigate between options and Power key to select the option. Performing data wipe task will erase your device's internal memory and not external SD card data.

[Source: SamMobile]