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Applicable Models

This information is for the following models:
  • KD-49X7000E
  • KD-43X7000E
  • KD-55X7000E
  • KD-65X7000E

About this download

IMPORTANT: This software is only for use with the products identified and sold in Taiwan. Not all models are sold in all countries.
Sony has designed the BRAVIA Televisions software update process to be customer friendly. This software update version PKG2.421UCTWB provides the following benefits:

This software version improves the following:

  • Improves general performance of the TV
  • Improves performance and stability of overall UI operation
  • Improves Wi-Fi connectivity of the TV
  • Improves general performance of YouTube playback

This software update also include previous update benefits and improvements:

  • Improves OSD (Operating System Display) during playback photo or content
  • Improves performance and stability of overall User Interface operation.
  • Improves volume control in IPTV apps.

Warning

  • Please follow the update instructions carefully. Failure to follow the instructions may interrupt the update process and may cause the TV set to be unresponsive or to require repair.
  • Do not power off the TV or disconnect it from the AC power outlet. Loss of power during the installation of the firmware update may cause the TV set to be unresponsive or to require repair.


Check TV firmware version

  1. Power on the TV set and press the HOME button on the Remote Commander to display the Home Menu.
  2. Navigate to Settings and press ⊕ to select it.
  3. Navigate to Customer Support and select it.
  4. The version number is shown on the Software Version row. 
     

Common questions

  • Will my personal settings be deleted after the update?
    All of user settings will be kept.
  • Can I install an older version of Firmware?
    Installation of older firmware is not supported to ensure your TV set remains at optimum performance.
  • During the update process, the TV turns off?
    It is normal for the TV set to restart during the update process. You may experience the TV set taking a longer than normal time for it to restart as it is installing the new firmware.

Download and Installation procedure

  1. You need to agree with the disclaimer before downloading the file. Please read all the information carefully and thoroughly before downloading and installing any file. Failure to follow the instructions may cause the TV set to be unresponsive or to require repair.
    After you have accepted the Terms & Conditions, download the file to your computer desktop. Depending on the network environment, the download may take significant time.
  2. Go to the directory where the file was downloaded and verify that the file size is 212,956,970 bytes.
    1. Right click the file, select properties and check that the General tab.
    2. If the size information displayed on your computer is different, delete the downloaded file, clear your internet browser's cache and download it again.
  3. Open Windows explorer, locate the downloaded file  sony_tvupdate_2017_2421_tff_auth.zip and unzip it.
    A folder sony_dtv02B40B09B4B9_00200205 will be created  in your local drive after unzipped, then copy it to the root of your USB device.

    Note:

    Make sure that there is enough space on your USB device. 
    The update will not be performed if the folder structure, name of the folder, or name of the file inside the folder is modified.
    Playback via USB” (Photos, Music and Videos) is one of “BRAVIA” TV feature.
    If the USB works with that feature, it also works Software Update.

 

File Info

File Name

  • sony_tvupdate_2017_2421_tff_auth.zip

File Version

  • PKG2.421UCTWB

File Size

  • 203.0MB

Release Date

  • 2017-08-10

System Requirements

  • TV OS

Install

Details

Firmware update procedure

  1. Turn on the TV set.
  2. Insert your USB device containing sony_dtv02B40B09B4B9_00200205 into the USB slot located at the side of the TV set.
  3. Press the HOME button on the Remote Commander to display the Home Menu.
  4. Navigate to Settings → Customer Support → Software Update → USB.
  5. A series of different messages will appear on the TV set. Please follow the on screen instructions.
  6. During System update, the LED indicator slowly flashing amber.
  7. After several minutes, the Software update complete message displays. And the TV will turn off automatically and then turn back on to complete the update.
    CAUTION: During the firmware installation process, do not remove the USB device, or switch off the TV set or remove the power.
  8. After the TV turn on, Safely remove your USB device from the USB slot.

Check TV firmware version

  1. Power on the TV set and press the HOME button on the Remote Commander to display the Home Menu.
  2. Navigate to Settings and press ⊕ button to select it.
  3. Navigate to Customer Support and select it.
  4. The version number is shown on the Software Version row.
  5. Confirm the version number.
    If the version number shown on the bottom line is PKG2.421UCTWB your TV set has been correctly updated.

Possible issues
Either message "An error occurred during the software update" or “Software cannot be updated using this USB device” is displayed on the TV front panel display.
Please proceed with the following procedure:

  1. Verify your USB device is in good working order and follow the download process again.
  2. Turn off the TV by pressing the POWER button on the TV set.
  3. Press the POWER button again, and proceed with the installation process again.
  4. "No newer version of the TV software was found" is displayed on the TV front panel display. Your TV set already has newer firmware installed.