Applicable Models

This information is for the following models:

  • KDL-43W800C
  • KDL-50W800C
  • KDL-55W800C
  • KDL-65W850C
  • KDL-75W850C
  • KDL-43W800D
  • KDL-50W800D
  • KDL-55W800D
  • KDL-43W950C
  • KDL-50W950C
  • KDL-43W950D
  • KDL-50W950D

About this download

Benefits and improvements from the latest update

  • Improves TV response time when using the remote control
  • Resolves an issue where TV cannot connect to the Wi-Fi access point from standby mode
  • Resolves an issue where "No operation shutdown" dialog box cannot be closed when using the VOL+/- buttons
  • Resolves YouTube 4K playback issue (2,560 x 1,440 resolution or higher)
  • Resolves an issue where the HDD is not detected for recording when the TV is in standby mode (Only for AU & NZ)
  • Removal of Twitter functions (Social Viewing)

Previous benefits and improvements

The following benefits and improvements are also included in this update.

  • Upgrade to Android Marshmallow
  • Enhancement of screen design and usability
  • Expansion of the built-in memory. You can now move the downloaded games and apps to a USB memory device or HDD as an extended memory
  • Displaying programs in each genre
  • New design of Help menu
  • Accessibility support on Netflix
  • Reduce input lag for HDR game
  • Improves general performance of the TV
  • Support Netflix HDR (High Dynamic Range)
  • Change application name of TV SideView to Video & TV SideView
  • USB Recording feature*
  • Improves general performance of the TV (including TV’s remote control)
*Only applicable for Australia and New Zealand


  • Only for use with TV sold in Asia Pacific. Not all models are sold in all countries.


Check the software version

Your software may already be up to date. If you're not sure, it's easy to check which version of software you have - follow these instructions:

  1. Press the [HELP] button on the remote.
  2. The model and software version should be displayed on the top right-hand corner of the screen.

[1] Model
[2] Software version

If the version number is "PKG3.925.xxxx" or higher, you already have the most recent software version and updating is not required.

There are 2 ways to update the firmware on your BRAVIA TV:

  • Using the "Automatic software download" function (recommended)
  • Using a USB storage device
Using the "Automatic software download" function (recommended)
Sony provides software updates in order to enhance functionalities and provide users with the latest TV experience. The easiest way to receive software updates is by downloading directly from your TV via the Internet.
NOTE: Make sure that the "Automatic software download" function is enabled. (By default, this setting is enabled.)
  1. Press the [HOME] button on the remote.
  2. Select [Help].
  3. Select [System software update].
  4. Select [Automatic software download].

IMPORTANT: The following "System Requirements," "File Info," "Download" and "Install," sections relate to the USB storage device update procedure. You can ignore them if you completed the update using the “Automatic software download” feature.

For other FAQs about Troubleshooting, please see the "Questions and Answers" section on the Sony Support Site.

Using a USB storage device

You can also update the software by using a USB storage device. If you are not connected to the Internet, or the "Automatic software download" function fails to download, try to download and update using a USB storage device as instructed below.

System Requirements

What You Need

  • a computer with access to the Internet
  • a USB storage device

File Info

File Name

  • Firmware update to v3.925 for TV

Zip File Name


File Version

  • PKG3.925.0139PAA

File Size

  • 1,557,295,585 bytes

Release Date

  • 25-10-2017


Important Notice

  • Read the instructions carefully or you could end up causing the TV to become unresponsive or require a repair.
  • Do not turn the off TV - or disconnect it from the power - while it's updating.
  • Do not press any buttons, except the ones mentioned in the instructions.
  • Stop any recording before you start with the firmware update. (USB HDD recording models only)

How to download the Updater:

Before you install the update, you'll need to download it from the Internet and save it to a USB storage device.

  1. Download the update file to your PC.
    1. Click the [Download] button on the top of this page, then read and accept the terms and conditions.
    2. Click the [Download] button on the bottom of the page to download the update file on your PC.
  2. Verify the downloaded file name and size.
    1. Go to the directory where the file was downloaded.
    2. Verify that the size of the "" file is "1,557,295,585" bytes.
      NOTE: For Windows PC, verify the "Size" instead of "Size on disk" on the Properties screen.
  3. Extract the downloaded file.
    After you extracted the downloaded file, you will find the file "sony_dtv0FA50A09A0A9_00004200_0f55008c.pkg".
  4. Insert the USB storage device into your PC.
  5. Copy or drag and drop the file "sony_dtv0FA50A09A0A9_00004200_0f55008c.pkg" to the root directory of your USB device.
    NOTE: "The root directory" is the first or top-most directory of the device, which contains all the other folders.
  6. Remove the USB storage device from your computer and continue to the next section.


Step 1: Install the update

Once you've downloaded the update file and prepared your USB device, you can install it on your TV. The process can take up to 15-30 minutes and during the installation your TV will turn off before turning itself back on. Please just follow the simple steps below:

  1. Turn on the TV.
  2. Make sure that no USB devices are inserted into your TV.
  3. Insert your USB storage device containing the file "sony_dtv0FA50A09A0A9_00004200_0f55008c.pkg" into a USB port of the TV set.
    NOTE: Any USB slot can be used if the TV has multiple USB ports.
  4. Once the USB storage device has been detected, a series of different messages will appear on the TV set. Follow the on-screen instructions.
  5. When the file is finished copying from the USB storage device, the update process will begin, the POWER indicator on the TV will begin flashing white, and the update progress screen is displayed on the TV.
  6. After several minutes, the TV will turn off and then turn back on to complete the update.

    WARNING: During the software installation process, please do not:

    • Remove the USB device
    • Turn off the TV
    • Disconnect the TV from the power supply
  7. When the software update is complete, a message appears on the TV indicating the software update is complete.
  8. Carefully remove the USB device from the USB slot.

Step 2: Check the update was successful

Check the current software versionto confirm that the update has successfully been installed.

  • If the version number is "PKG3.925.xxxx" or higher, the software update was successful.
  • If the version number isn't "PKG3.925.xxxx" or higher, download and install the update again.

Questions & Answers

Possible Issue During the Update

Need more information? See our FAQs about updating the software over the Internet:

  • Will my personal settings be deleted after the update?
    No, all your personal settings will be kept.

  • Can I install an older version of the software?
    No. To ensure that your TV remains at optimum performance, the installation of an older software version is not possible. The latest software version contains all the benefits and improvements of previous versions.

  • Is it normal for the TV to turn off during the update process?
    It is normal for the TV to restart during the update process. It will take a longer time for the TV to restart while installing the new software.

What to do if you have problems updating your TV firmware using the Internet.

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 procedures for a possible solution:

  1. Make sure your USB storage device is in good working order. If it is, try downloading the update file 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.

If the message "No newer version of the TV software was found" is displayed on the TV front panel display, your TV already has newest software version installed, so you don't need to update it.

For other FAQs about Troubleshooting, please see the "Questions and Answers" section on the Sony Support Site.