I9506XXUBNB2 4.3 Firmware Galaxy S4 Cat 4 (GT-I9506)

I9506XXUBNB2 4.3 update firmware for Samsung Galaxy S4 Cat 4 (GT-I9506) variants released in Australia and New Zealand . The I9506XXUBNB2 4.3 update has been first rolled out under Vodafone mobile network operator and not yet seen available in Europe.  The Galaxy S4 Cat 4 (GT-I9506) can be upgradeable to Android 4.4.2 KitKat, but we might still wait for a while until Samsung decides to when it will be rolled out.

You can simply get this update through OTA or Samsung Kies. Below is the original firmware bundle I9506XXUBNB2 4.3 for advanced users that may now want to update manually. The firmware is only useful for those who got their phone modified or rooted and did not received this update officially.

To learn more about this update, you may head-over to the official support page here – http://support.vodafone.com.au/articles/FAQ/Samsung-Galaxy-S4-Cat-4-GT-I9506-Software-Update

Features and Changes of I9506XXUBNB2 4.3:

  • JellyBean 4.3
  • Vodafone customisations
  • Updated Samsung applications
  • Knox and Gear support
  • General bug fixes

I9506XXUBNB2 Firmware Build info: 

Android version: 4.3
Kernel version: 3.4.0-2210443 dpi@DELL152#1 Tue Feb 11 10:16:25 KST 2014
Baseband version: I9506XXUBNB1
Build number: JSS15JI9506XXUBNB2

Install I9506XXUBNB2 4.3 Update on Galaxy S4 CAT 4

Disclaimer: This guide is for advanced users only, this is risky for beginners. We shall not be held responsible if anything happens to your device while using this guide. Proceed at your own risk!


What is a Firmware or Stock ROM?

Stock ROMs are the firmware that has been released from Samsung Kies official firmware server. These are being pulled from Kies by an Android firmware experts and carefully re-bundled it to make it flashable by using Odin flasher too.

FAQ about flashing I9506XXUBNB2 4.3 Firmware/stock ROM

Q: Does it safe to flash a stock ROM?
A: There is a risk danger in flashing firmware either original stock ROM and or custom ROMs on the device. Any unwanted interruption occurred will cause your device into softbricks. If it is your first time heard about this method,  it is highly recommended to search more and learn about flashing stock ROM before you proceed.

Q: Does Flashing will remove all my data stored on the device.
A: Yes and NO. There are two types of stock ROM, the wiped and non-wiped version. It is highly recommended that you should back-up all your important data stored in the phone’s memory like contacts, messages before flashing.

Q: Do I Need to ROOT or UNROOT my phone before flashing stock ROM?
A: NO need to root or unroot yor device, but you will loose root once flashing is made. So, you need to re-root your device again.

Q: Does Flashing stock ROM to my phone will erase the network lock?
A: NO. Your network (or SIM) lock will still remain active.

Q: Does Flashing stock ROM will remove root on my phone?
A: Yes. If you currently have rooted, your phone will return back to original factory settingsafter flashing. You need to re-root again to install any 3rd party applications.

Q: Does flashing an operator specific firmware will restrict my open phone to that operator’s network?
A: NO. Your phone still remain open for any Operator SIM. Operator specific builds usually containing “only specific country or carrier provider” logo, bloatwares, wallpapers and/or browser settings, etc.

Disclaimer: We shall not be held responsible if anything happens to your device by following this guide. You may proceed at your own risk, your phone is not a toy for us, it is your own personal property, it is up to you to decide on what and how to do about it.

Important Reminders before Flashing Galaxy S3 Firmware/Stock FROM

– Make sure that your Galaxy S3′s battery is fully charge.
– Stock ROM packages comes in two formats the ‘Full-Wipe’ (delete your stored data after flashing) and the ‘Non-Wipe’ (it doesn’t delete your phone’s stored data) but it is highly recommended to make a back up all important files stored from your phone’s internal memory – contacts, messages, etc.  before flashing no-matter if it is Full-WIpe or Non-Wipe,  just to be safe and ensure that your stored data are in  safe  if something went wrong during the flashing process.
– Remember or back up the APN settings of your device. ( This only done if you try to installother regions stock ROM.
– Use a PC or laptop that runs in Windows OS, with a good and perfectly working USB serial port.  Odin will not work on MAC OS.
– Use the supplied USB cable for your Galaxy S3.
– Enable USB debugging from your phone’s settings. Go to Settings > Applications > Development, and tick the box that says ‘Enable USB Debugging’.
– Do a “Hard Reset” if you have a lot of 3rd party applications installed from your phone, this is useful to gain a smooth flashing. (Just make sure that you already back up all your important files before resetting your device.
– Ensure that KIES is closed and not running in the system tray! Kies will interrupt and doesn’t like Odin, it will block you from flashing.

How to manually upgrade or install the I9506XXUNB2 Android 4.3 Jelly Bean on Samsung Galaxy S4 TD-LTE GT-I9507

Again, this update is now officially released in Australia, you can simply update your Galaxy S4 by checking through Samsung KIES or OTA. Below are the official I9507XXUENB5 stock firmware for developers and advance users, and can be flash using ODIN if their devices has been rooted and can’t get any official update anymore.

Install procedures:

Disclaimer: This guide is for advance users only, if this your first time heard about this method, make a careful research first before proceeding. We shall not be held responsible if anything happens to your device by using this guide. Proceed at your own risk!

Note: This stock firmware is compatible for all Europe unbranded or unlocked Samsung Galaxy S4 Cat 4 with the specification model number  “GT-I9506″ versions only.

Download the stock Android 4.3 I9506XXUBNB2 firmware:
Australia (Vodafone )  – VAU_I9506XXUBNB2 link link
New Zealand  (Vodafone )  – TNZ_I9506XXUBNB2 link link
Australia (Telstra )  – TEL_I9506XXUBNB2 link link

Odin3_v3.09 download
Kies 3 USB Driver download

Step 2: Prepare things  as follows:
– Use a PC or laptop that runs in Windows OS, with a good and perfectly working USB serial port.
– Use the USB cable wire for your Galaxy S4.
– Make sure that your Galaxy S4 battery is fully charge.
– Back up all important files stored from your phone’s internal memory – contacts, messages, etc.
– Remember or back up the APN settings of your device.
– Enable USB debugging from your phone’s settings. Go to Settings > Applications > Development, and tick the box that says ‘Enable USB Debugging’.
– Do a “Hard Reset” if you have a lot of 3rd party applications installed from your phone, this is useful to gain a smooth flashing. (Just make sure that you already back up all your important files before resetting your device.

Step 3: Extract or unzip the downloaded stock firmware so that you’ll get the Odin flashable .tar.md5 file. Use Winzip, winrar, 7zip or any extracting tool you had in your computer.

Step 4: Run and Configure Odin
Run Odin downloader on your computer’s desktop. Watch out the check-boxes options on the right top of Odin, ensure that the ‘RE-PARTITION’ is unchecked. Leave the ‘AUTO-REBOOT and ‘F.RESET TIME’  remains checked.
Now, click on the AP button, then select and load the tar file that you have previously extracted.  “I9506XXUBNB2_HOME.tar.md5″

Odin sample only:
Android 4.3 Samsung Galaxy S4 GT-I9505 Install Odin
Step 5: Reboot the Galaxy S4 I9506 into Download Mode.
To put your Galaxy S4 I9506 in download mode, just simply switch it off then gently press and hold the “POWER, VOLUME DOWN and HOME” buttons simultaneously. You’ll be then prompted in a warning screen to continue or cancel.

Step 6: Connect the Phone to the Computer or Laptop
Once the phone screen shows in downloading mode, connect your phone to the PC with the USB cable. You’ll then notice the upper box in Odin that turns in yellow color., it also indicatesthe COM:ID where the device is being detected and a word “added!!’ on the log box. If somehow those things never showed up, check out the USB cable connection, read again from the top of this post.
Step 7: Flash it!
Once all set and ready, hit he “START” button to begin flashing.
Do not touch anything that might interrupt the process to avoid any fatal errors or failures, it may ruin your device if any interruption occurs while already in flashing status.

It may takes a couple of minutes or longer and it depends of your PC/laptop speeds. A word “PASS” will display in Odin once it finishes. If somehow you will not get the word “PASS” or just stuck in along time. Disconnect the phone, remove battery, re-insert it, check the USB connection, re-install the driver, disable Kies and any anti-virus. Set the phone in Download mode again, and repeat the whole procedure.

The phone will just automatically reboots if the firmware flashing successfully completes. Just wait until it boots up on the “Samsung” logo for a while then into an android update screen. If it still shows boot logo try rebooting and if it stays there, you need to wipe your phone.

Fixing possible issues after flashing like bootloops or just stuck in welcome screen logo

Boot in recovery mode – Press and hold Volume Up, Home and Power button. Use volume keys to select up and down and power or home key to select the option.

1. Select Wipe Data/Factory Reset
2. Next select the Wipe Cache Partition
3. Lastly select Reboot System Now to reboot your Galaxy S4 in Normal mode.
Confirm your fresh firmware installed by typing *#1234# or
Go to Settings>About Phone>Firmware info.
Check and reconfigure your APN settings when data networks connection issues encountered.

Change the default text to your own or desired language

The default language of this firmware varies according to which country specific software build you have installed, but it has all major languages around the world included. You can just simply change it from your device text settings.

You may then confirm the newly installed 4.3 Jelly Bean from your device:
Go to Settings>>About Device>> Firmware info or type *#1234# and see if it’s already got the baseband  I9506XXUBNB2 and a Android 4.3 version.  That’s it! If this helps you then simply share us some love by hitting our like and share buttons. If you also have something to add, your comments and suggestions are most welcome here.