Applicable Models

This information is for the following models:
  • STR-DN1050
  • STR-DN850

About this download

 This firmware upgrade is currently available which provides the following benefits:

  • Improve music service interface, sound quality and GUI display

Note: This update is available only by performing a Network Upgrade. The update file is not available to download and install from this page.
IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries. 
Table of Contents | Go to Top of Page

Check the Current Firmware Version | Go to Table of Contents

  1. Turn on your TV and check it's tuned to the input your AV Receiver is connected to, so if the receiver is connected to the HDMI 2 socket, choose HDMI 2 as the input.
  2. Turn on the AV Receiver.
  3. Press HOME on the remote control and the home menu is displayed on the television.
  4. At the Home menu, highlight Settings then select ENTER using the arrow keys on the remote control.
  5. At the Settings menu, highlight System Settings then select ENTER using arrow keys on the remote control.
  6. The firmware version currently installed on the AV Receiver will be listed on the television screen at “Software Version”.
  7. "Software Version s9602.1322" - if the version number is 1322 (s9602.1322) or higher, you already have the most recent firmware version.

How To Get the Firmware Upgrade | Go to Table of Contents
The STR-DN850/STR-DN1050 AV receiver firmware can only be upgraded by performing a Network Upgrade.

  • To perform the upgrade you will need to connect the AV receiver to your Internet source using an Ethernet cable.
  • Please see the Network Upgrade Instructions section below, for more information.
    If you have questions or require assistance, please contact Sony.

Network Upgrade Instructions | Go to Table of Contents 
The STR-DN850/STR-DN1050 AV receiver firmware can only be upgraded by performing a Network Upgrade.
Important Notes

  • If you have not done so already, please check the current firmware version to determine if this firmware upgrade is needed for your AV receiver.
  • WARNING!! Please follow the upgrade instructions carefully. Failure to follow the instructions may interrupt the upgrade process and may cause the AV receiver to be unresponsive or to require repair.
  • WARNING!! Do not power off the AV receiver or disconnect it from the AC power outlet. Loss of power during the installation of the firmware upgrade may cause the AV receiver to be unresponsive or to require repair.
  • In order to perform the network upgrade it is necessary to have the receiver correctly connected to an active Internet connection.
  • In order to perform the firmware upgrade, it is necessary to have the receiver correctly connected to a compatible television.
  • It is highly recommended that you print out these instructions for use as a reference during the installation process.

Firmware Upgrade Instructions | Go to Table of Contents
WARNING!! Please follow the upgrade instructions carefully. Failure to follow the instructions may interrupt the upgrade process and may cause the AV receiver to be unresponsive or to require repair.
Note: The firmware upgrade process usually takes about 15 to 50 minutes, depending on system configuration and network connection.

  1. Turn on your TV and check it's tuned to the input your AV Receiver is connected to, so if the receiver is connected to the HDMI 2 socket, choose HDMI 2 as the input.
  2. Connect the LAN terminal on the AV Receiver to your internet source using an Ethernet cable.
  3. Turn on the AV Receiver.
  4. Press HOME on the remote control and the home menu is displayed on the television.
  5. At the Home menu, highlight Settings then select ENTER using the arrow keys on the remote control.
  6. At the Settings menu, highlight System Settings then select ENTER using arrow keys on the remote control.
  7. At the System Settings menu, highlight Network Update then select ENTER using arrow keys on the remote control.
  8. Press START on the remote control.
  9. The download process starts and you see the download screen on the television.
  10. After the download is complete, the upgrade starts and the ON/STANDBY light on the front panel starts blinking (the display on the TV screen and on the display window of the receiver disappears)..
  11. “COMPLETE” appears on the display panel after the software update is finished. After the upgrade is completed, the AV Receiver will automatically restart. Don't use or turn off the receiver until the update is complete.
  12. Check the current firmware version to confirm that the upgrade has successfully installed.
    Note: If the version number is 1322 (s9602.1322), the firmware update was successful.

If you have questions or require assistance, please contact Sony.
Important Notes 
Network Firmware Upgrade FAQ 
Q1: When running network upgrade, the television displays the message, "The receiver failed to download the update data while performing the software update. Enter the settings menu and update the software again." and you cannot perform the firmware upgrade.
A1: There may be a problem with the network connection. Verify that the network connection and settings are correct.

  1. Check the Ethernet cable to make sure it is securely connected to the LAN port on the receiver and to the Internet source.
  2. Check the AV receiver network settings and confirm that the receiver has its own IP address.
    Follow the Network Upgrade Instructions again.

Q2: The power was shut down during the upgrade process.
A2: Turn the receiver on and then follow the Network Upgrade Instructions again.

Still not working? 
Please contact Sony.

File Info

Release Date

  • 2014-10-01

System Requirements

  • System OS