Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • KDL-32EX40B
  • KDL-40EX40B

About this download

Benefits and improvements

Sony has designed the BRAVIA® Televisions software update process to be customer friendly. This software update (version 4.131) provides the following benefits:

Improvements over version 4.118:

  • Enables Transport Layer Security 1.0 (TLS1.0) to enhance security of Internet applications
  • Improves reliability to the Secure Sockets Layer 3.0 (SSL3.0)

Benefits provided by previous updates and included in version 4.131:

  • Improved performance and stability of the Internet TV features
  • Improved stability for the initial/add scan for receiving digital channels.
  • Improves performance and stability of IPTV (Internet Protocol TV) features.
    Note: IPTV allows you to enjoy HD (High Definition) programming from the Internet on your BRAVIA television that is connected to a broadband Internet connection.
  • Adds support for future IPTV services.
  • Adds support for the Hulu™ online video service.
    Note: The Hulu service is only available in the United States.
  • Installs an updated version of the on-screen i-Manual built into the BRAVIA television.
  • Resolves an issue where the television may unexpectedly power off and back on shortly after it is turned on.
  • Allows for the power-on chime sound coming through the TV speakers (not through the Optical Out) to be turned off in the Sound Menu.

System Requirements

Operating Systems

  • System Software

File Info

File Name

  • sony_tvupdate_2010_0531_aab_.zip

File Version

  • 4.131

File Size

  • 31.69 MB

Release Date

  • 01-13-2015

Before You Start


How to Check if You Need the Update

Please follow the steps below to check your television software version to determine if it needs this software update:

  1. Power on the TV.
  2. On the TV remote control, press the HOME button to open the TV Home Menu.
  3. On the remote control, use the arrows Arrows to select the Settings icon Settings.
  4. Use the arrows to highlight the Product Support icon Product Support Icon, and then press the EXECUTE button EXECUTE Button on the remote control.
  5. Use the arrows to highlight the Contact Sony icon Contact Sony Icon, and then press the EXECUTE button EXECUTE Button.
  6. The software version number will be displayed at the bottom of the Contact Sony screen. If your software version is PKG4.131AAB or higher, your TV does not need this update.
    Information Screen

Important Notes

  • WARNING: After performing this update, it is not possible to return to or install a previous version of the system software. By downloading and installing this update, you acknowledge that you understand this update cannot be reversed.
  • WARNING: Please follow the upgrade instructions carefully. Failure to follow the instructions may interrupt the upgrade process and may cause the TV to be unresponsive or require repair.
  • WARNING: Do not power off the TV or disconnect it from the AC power source during the upgrade process. Loss of power during the installation of the firmware upgrade may cause the TV to be unresponsive or require repair.
  • All user settings are retained during the firmware update.
  • It is normal for the TV set to restart during the update process. The TV set may take longer than usual to restart as it is installing the new firmware.
  • If your television software version is PKG4.131AAB or higher, your TV does not need this update.
    Note: If your television is connected to the Internet, the software may have already been updated.
  • To download the update, a USB storage device, such as a Sony® Micro Vault® device, or something similar, is required to perform the update. Sony is aware that not all USB storage devices are compatible with our TVs. If you are using a USB device for playback of photos, music, or videos on your TV, the same USB device type should work for the update. If the software update is not successful after following the instructions, you may need to format your device to the FAT32 file system, or use a different device. View formatting instructions.
  • If you are unable to obtain or use a USB storage device, required to perform the update, you can purchase one from the True Manuals web site.
  • It is highly recommended that you print out these instructions for use as a reference during the installation process.

Download & Install


Decide How to Get the Update

There are two ways to obtain the software update:

  1. Download the Update - Click the Download Now icon on this page to download the update to your computer and then follow the instructions below to install the update on your TV.
    Note: A USB storage device, such as a Sony® Micro Vault® device, or something similar, is required to perform the update. Sony is aware that not all USB storage devices are compatible with our TVs. If you are using a USB device for playback of photos, music, or videos on your TV, the same USB device type should work for the update. If the software update is not successful after following the instructions, you may need to format your device to the FAT32 file system, or use a different device. View formatting instructions.
  2. Network Download - If your TV is connected to the Internet, you can set it to automatically receive software updates with the following procedure:
    Note: The BRAVIA television is shipped from the factory with the Automatic Software Update function set to On as the default setting.
    1. On the TV remote control, press the HOME button to open the TV Home Menu.
    2. On the remote control, use the arrows Arrows to select the Settings icon Settings.
    3. Use the arrows to highlight the Product Support icon Product Support Icon, and then press the EXECUTE button EXECUTE Button.
    4. Use the arrows to highlight the Automatic Software Update icon Automatic Software Update Icon, and then press the EXECUTE button to select On for Automatic Software Update.

Download and Transfer the Update File to Your USB Storage Device

  1. Download the sony_tvupdate_2010_0531_aab_.zip file to a temporary or download directory (please note this directory for reference) on your computer.
  2. Go to the directory where the file was downloaded and verify that the size of the sony_tvupdate_2010_0531_aab_.zip file is 33,231,633 bytes.
    1. Right-click the sony_tvupdate_2010_0531_aab_.zip file, and click Properties.
    2. On the sony_tvupdate_2010_0531_aab_.zip Properties screen, verify that the Size: listed is 31.6 MB (33,231,633 bytes).
      Note: The Size on disk: listed may be different. That is normal.
    3. If the file size is different than the 33,231,633 bytes, please download the sony_tvupdate_2010_0531_aab_.zip file again.
  3. Extract the update file from the sony_tvupdate_2010_0531_aab_.zip file.
    • For Microsoft® Windows Vista® or Windows® 7 operating system:
      1. Go to the directory where the file was downloaded and right-click the sony_tvupdate_2010_0531_aab_.zip file, and then click Extract All.
      2. At the Extract Compressed (Zipped) Folders window, click Extract.
      3. A new folder will be created called sony_dtv0602000A0213_00030301.
    • For Microsoft® Windows® XP operating system:
      1. Go to the directory where the file was downloaded and right-click the sony_tvupdate_2010_0531_aab_.zip file, and then click Extract All.
      2. At the Extraction Wizard dialog box, click Next.
      3. Click Next.
      4. Click Finish.
      5. A new folder will be created called sony_dtv0602000A0213_00030301.
    • For Apple® Mac OS X® operating systems:
      1. Go to the location where the file was downloaded and double-click the sony_tvupdate_2010_0531_aab_.zip file.
      2. A new folder will be created called sony_dtv0602000A0213_00030301.
  4. Format a compatible USB storage device to the FAT32 file system and connect it to your computer.
    Note: A USB storage device, such as a Sony® Micro Vault® device, or something similar, is required to perform the update. Sony is aware that not all USB storage devices are compatible with our TVs. If you are using a USB device for playback of photos, music, or videos on your TV, the same USB device type should work for the update. If the software update is not successful after following the instructions, you may need to format your device to the FAT32 file system, or use a different device. View formatting instructions.
  5. Transfer the update folder to the USB storage device:
    • For Windows XP operating systems: Go to the directory where the folder was created, right-click the sony_dtv0602000A0213_00030301 folder and, from the menu, click Send To..., and then click the drive (EX: Removable Disk E:) that represents your USB device. The update folder will be copied onto your USB device.
    • For Mac OS X operating systems: Drag and drop the sony_dtv0602000A0213_00030301 folder to the root folder of the USB device.
    Note: The update will not be performed if the folder structure, name of the folder, or name of the file inside the folder is modified.
  6. Remove the USB device from your computer.

Updating the Software

Note: The software update takes approximately five minutes to complete. During the update process, the screen on your BRAVIA television will display progress information, or may be blank. This is normal. Please do not remove the USB storage device until the update is complete.

WARNING: Do not turn off the TV set or disconnect it from the power supply during the update process. Doing so may damage your TV set and make it unusable, or may require service.

WARNING: Do not press any button, except as instructed, until the update is complete. Doing so may damage your TV set and make it unusable, or may require service.

  1. Power on the TV.
  2. Insert the USB storage device into the USB port located on the side of the TV.
    Note: The USB storage device can only be inserted into the USB port slot one way.
    TV USB Port
  3. Once the USB storage device has been detected, a message appears indicating that the files are being updated.
    Files Updating Screen
    WARNING: Do not turn off the TV set or disconnect it from the power supply during the update process. Doing so may damage your TV set and make it unusable, or may require service.
  4. A series of different messages will appear on the TV set. Please follow the on screen instructions.
  5. During the update the POWER indicator will be green for 30 seconds, followed by the PIC OFF/TIMER indicator slowly flashing amber, and the STANDBY indicator is red. After several minutes, the TV will turn off and then turn back on to complete the update.
  6. Please wait until a message appears indicating The software update is complete or indicating No newer version of the TV software was found.
    Update Complete Screen
    Update Complete Screen
  7. Remove the USB device from the TV.
  8. You may delete the update files from the USB device, or reformat the USB device.
  9. The update process is now complete.
    Note: If either message An error occurred during the software update or Software cannot be updated using this USB device is displayed on the TV screen, please proceed to the following procedure for a possible solution:
    1. Verify your USB device is in good working order and perform the Download and Transfer process again.
    2. Press the POWER button on the TV to power off the TV.
    3. Press the POWER button on the TV again to power on the TV.
    4. Perform the Updating the Software process again.
      Note: If the message No newer version of the TV software was found is displayed on the TV screen, your TV already has the newer firmware installed.

Update Verification (optional)

Please follow the steps below to verify that the software was successfully updated:

  1. Power on the TV.
  2. On the TV remote control, press the HOME button to open the TV Home Menu.
  3. On the remote control, use the arrows Arrows to select the Settings icon Settings.
  4. Use the arrows to highlight the Product Support icon Product Support Icon, and then press the EXECUTE button EXECUTE Button on the remote control.
  5. Use the arrows to highlight the Contact Sony icon Contact Sony Icon, and then press the EXECUTE button.
  6. The software version number will be displayed at the bottom of the Contact Sony screen. If your software version is PKG4.131AAB, the update was successful.
    Information Screen