Software versions & updates: Samsung Galaxy S 4G T959

Learn how to check the software version and see official versions for the Samsung Galaxy S 4G T959. Find out more on this page:


Beginning November 15, the Samsung Galaxy S 4G T959v receives a a software update to T959VUVKJ6. This update provides features and improvements:

New features

  • Android 2.3 (Gingerbread)
  • Google Security Patch
  • doubleTwist is no longer on the phone after updating to Baseband version T959VUVKJ6


  • Front-facing camera not functional when using Qik Record and Share
  • Error: ‘Not Registered’
  • Cannot turn on Wi-Fi
  • Skin tone is off-color in pictures
  • Yellow circle or blotch appears on pictures


Software version

Software update: Automatic (OTA)

Software update: Download



Software version

Check the software version

To check the current software version, follow these steps:


  1. From any Home screen, tap the Menu key.
  2. Tap Settings.
  3. Scroll to and tap About phone.
  4. View Baseband version.
  5. Read the version on the phone, and check it below:


Software versionStatus


Your software is up to date. There are no updates available.


This document will be updated if and when new software is available.



Your phone can update to software version [version number]:

If the update fails, see: Software update troubleshooting.

Other versions

Your phone has non-T-Mobile software, and it is unsupported. The manufacturer and T-Mobile cannot update your software.


See: Rooted device identification and support.



Requirements to update

To be able to update to the current software version, the below requirements must be met:

  • Desktop or laptop PC running Windows XP, Vista, or Windows 7
  • An available USB port
  • All firewall and antivirus programs should be disabled
  • Administrative priviledges required to download and install software, including drivers
  • Fully charged battery
  • The most current software version of Samsung Kies Mini software


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Software update: Automatic (OTA)

Update automatically Over-The-Air (OTA)

This software update will be pushed to your phone between [date] and [date]. Your phone will notify you when it is ready to update. If your phone has not received an OTA message, see Software update: Download below.


After receiving the OTA notification, follow these steps:


We're sorry, but this feature is not available for this device.



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Software update: Download

Download and install software update

You can download and install the software update:

From the phone

From a computer



Update software from the phone

To check for updates and download the update from the Samsung servers, follow these steps:


We're sorry, but this feature is not available for this device.



Update software from a computer

To download updates for your phone and install them using a computer, follow these steps:


Installing Kies Mini
  1. Download the most recent version of Kies Mini by visiting
    • Note:  Save the file to a desired location - the Desktop is recommended for easy access.
  2. Double click the Kies Mini file.  The program will self extract, no action is required.
  3. Select the desired Language and Location, then click Next.
  4. Read the license agreement, check the box for "I accept..." and click Next.
  5. Kies Mini will begin the installation.  No action is required.
  6. When the process is complete, click Finish.
Prepare the Samsung Galaxy S 4G
  1. From the Android home screen, press the Menu key and tap Settings.
  2. Tap Applications.
  3. Tap USB settings.
  4. Tap Ask on connection.
  5. Tap the Escape key once to go back to the Applications menu.
  6. Tap Development.
  7. Tap USB Debugging.
  8. Tap the Home key to exit the settings menu.
  9. Insert the USB data cable into the phone and then into an available port on the computer.
  10. Select Samsung Kies at the phone prompt. The PC should recognize several devices and begin installation. This is normal and may take a few minutes. Unplug the data cable when completed.
Upgrade to KJ6

Important:  Verify that you have backed up all of your data, including the contents of the internal (non-removable) SD card, to prevent unnecessary data loss.

  1. On the PC, open the Kies Mini application.
  2. Connect the Galaxy S 4G to the PC using the USB cable, select Samsung Kies at the phone prompt.
    • Important:  If the Galaxy S 4G was recently rebooted, allow the device to finish Media Scanning before attempting to connect the device to the PC.
    • After a few moments, Kies Mini should indicate that a software update is available.
  3. Click Phone Upgrade.
  4. Read the Caution statements, click the checkbox for "I have read and understood...", and click the Upgradebutton.
  5. Kies Mini will contact the server and download the upgrade.  Depending on the customer's network conditions and connection speed, this could take several minutes.
  6. Kies Mini will begin upgrading the device.   
    • Important:  The phone's screen may change state or appear to reboot during the process.  DO NOTremove the device from the USB cable or reboot the PC until the update is complete.  Doing so can permanently damage the device ("brick" the phone).
  7. When the installation is complete, click Ok to finish.  Wait until the phone is finished rebooting and the Android Home screen displays before disconnecting the device.



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