This information is for the following models:

  • KDL-75W855C
  • KDL-65W855C
  • KDL-65W857C
  • KDL-65W858C
  • KDL-65W859C
  • KDL-55W805C
  • KDL-50W805C
  • KDL-43W805C
  • KDL-55W807C
  • KDL-50W807C
  • KDL-43W807C
  • KDL-55W808C
  • KDL-50W808C
  • KDL-43W808C
  • KDL-55W809C
  • KDL-50W809C
  • KDL-43W809C
  • KDL-55W755C
  • KDL-50W755C
  • KDL-43W755C
  • KDL-55W756C
  • KDL-50W756C
  • KDL-43W756C

About this download

Benefits and improvements from the latest update

  • Provides the latest Android security updates

Previous Benefits and Improvements

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

  • Improves the user experience (UX) of the "Enhanced format - HDMI signal format" setting
  • Improves compatibility with the Home Theatre Control app
  • Improves image quality when using HDMI inputs
  • Improves image quality while watching HDR content for certain models
  • This firmware update introduces Android Nougat to Sony's Android TV and supports:
    • Picture-in-Picture mode
    • Half-screen settings mode
    • Task-switching (quickly access recently used apps)
    • Google Cast 4K content via built-in Chromecast
    • Voice search web browser functionality
    • Samba Interactive TV service
    • Multiple Google accounts
    • Ability to switch to TV viewing mode from Home menu with PROG +/- or number buttons
    • Improved "Discover" menu interface and navigation
    • Improved Wi-Fi password input screen
    • Improved usability when registering a USB HDD recording device
    • Improved user interface when using a USB stick or HDD as an expandable storage device
  • For more information on the features and improvements, please go to:
  • This firmware also resolves other issues, such as a video on demand (VOD) playback issues where the video freezes or lip-sync errors occur
  • 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 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
  • Reduces input lag for 4K HDR gaming
  • Resolves issue where the right-hand side of the screen becomes bright when changing input from HDMI (4K signal input) to Terrestrial
  • Resolves sound skipping when using Sonos sound bar
  • Resolves stuttering playback on Amazon video when pressing ACTION MENU or VOL+/- buttons
  • Resolves poor video quality on BBC iPlayer when using "Watch from start" feature
  • This firmware update introduces Android Marshmallow to Sony's Android TV
    The following issues are resolved by this firmware:
    • Continuous reboot after installing firmware version 3.845
    • No picture and amber/green LED blinking after installing firmware version 3.845
    • All frequencies are output from the SWF-BR100 Wireless Subwoofer
    • Incorrect USB video aspect ratio display for 21:9 content
    • Slow TV response rate with Astra signal
    • Judder issue with HDMI Ultra-High-Definition (UHD) signal after deep standby
    • Recording issue with Stofa Neotion Dual CAM
    • Electronic program guide (EPG) when viewing sales or advertising (Barker) channel with video and audio enabled
    • Voice command issues
    • Channel list issue when importing new lists
    • Network connection failure (WLAN/LAN)
    • Danish mistranslations
    • Danish DR issue - playback stops when closing dialog box
    • When turning off the TV via the remote, audio remains on for 2-3 seconds after the screen turns off
    • EPG information not available on Spanish TVE
    • Slow response time on satellite channel setting screens
    • Abnormal “Pop” noise when changing the channel
    • TV doesn’t turn on after performing a factory data reset
    • Black picture when CI+CAM is inserted
    • No picture/audio on FunBox 4K UHD satellite channel
    • Blinking light appears when opening the guide
    • YouTube cast issue when language is set to Hebrew
    • HDMI Dynamic Range malfunction
    • Issue with 'Auto picture' mode
    • Football mode functionality issue after performing a power cycle
  • For more information on the features and improvements, please go to:
  • Improves the stability of the TV


  • Only for use with TV sold in Europe. 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 software version you have - follow these instructions:

  1. Press the [HELP] button on the remote.
  2. The firmware version number is displayed on the screen.

[1] Model
[2] Software version

If the version number is "PKG5.435.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 (easy)
  • Using a USB storage device
Using the "Automatic software download" function (easy):
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 to use the "Automatic software download". This setting is enabled by default.
If you have enabled "Automatic software download" below, you will automatically receive a notification to update your TV.
  1. Press the [HELP] button on the remote.
  2. Select [System software update].
  3. Select [Automatic software download].
The new firmware update will be rolling out gradually to all Internet-connected TVs over the weeks following its release.

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" on the Sony Support Site.

Using a USB storage device:

You can also update the software by using a USB storage device. If an Internet connection is not set up on your TV, or you don’t want to wait for the update via "Automatic software download" function, 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 v5.435 for TV

Zip File Name


File Version

  • 5.435

File Size

  • 1 644 770 414 bytes

Release Date

  • 26-06-2019


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 "1 644 770 414" 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_00004100_153b00b8.pkg".
  4. Insert the USB storage device into your PC.
  5. Copy or drag and drop the file "sony_dtv0FA50A09A0A9_00004100_153b00b8.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 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_00004100_153b00b8.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.
    NOTE: If the messages do not appear automatically, try turning the TV off and on with the remote control.
  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 "PKG5.435.xxxx" or higher, the software update was successful.
  • If the version number isn't "PKG5.435.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.