Applicable Model

This information is for the following model(s):

  • HT-A8 / BRAVIA Theatre Trio

About This Download

Benefits and Improvements

  • Enhances system software security
  • Fixes an issue where the initial setup could not be completed in some cases
  • Improves other functions

Note: This update will be applied automatically when the applicable device is connected to the network.

System Requirements

  • An Android device (Android 8.0 or later) or an iPhone (iOS 15.0 or later).
  • An active internet connection.
  • The latest version of the Sony | BRAVIA Connect application (Ver. 3.1.0 or later) must be installed.
  • The center speaker must be connected to your Android device or iPhone.
  • Each speaker must be connected to the center speaker.

File Info

  • Name: Firmware update 001.501
  • Version: 001.501
  • Size: 233 MB (244 416 284 bytes)
  • Release Date: 15-09-2026

Preparation

Check the Firmware Version

If the firmware version is 001.501, you do NOT need to perform the update. To check which firmware version you have, follow the steps below:

  1. Turn on the center speaker.
  2. Launch the Sony | BRAVIA Connect app.
  3. Connect the center speaker to the Sony | BRAVIA Connect app.
  4. Connect each speaker to the center speaker.
  5. Select Settings on the remote menu.
    [Settings] is displayed slightly below the vertical center of the screen.
  6. In the Settings menu, select System Settings.
    [System Settings] is located in the fifth row from the top.
  7. In the System Settings menu, select System Information.
    [System Information] is located in the second row from the bottom.
  8. Confirm the firmware version. (Ignore the 00 before the version number.)
    [Software Version] is displayed in the [System Information] screen.

Important Notice

  • Do NOT turn off the sound bar or tap the (power button) on the remote menu during the firmware update.
  • Do NOT perform the update in a location where the Wi-Fi signal is inconsistent or can become congested.
    Note: The communication distance between the speaker system and wireless LAN router may be shortened depending on the usage environment (including the wall material), radio wave reception conditions, or obstacles between the two devices. Move the speaker system and wireless LAN router closer to each other.

Before You Upgrade

  • Once the firmware is updated, it's not possible to return to an earlier version.
  • The update process takes approximately 30 minutes to complete.
  • The update process may take longer to complete depending on your device and the radio wave environment.

Download and Install

Step 1: Install the Update

  1. Turn on the center speaker.
  2. Launch the Sony | BRAVIA Connect app.
  3. Connect the center speaker to the Sony | BRAVIA Connect app.
  4. Connect each speaker to the center speaker.
  5. Select Settings in the remote menu.
    [Settings] is displayed slightly below the vertical center of the screen.
    Note: If an update is available, the message “Latest version of the software is available. Let's perform the update.” will be displayed. Press Confirm to begin the update process.
    The message will be displayed at the bottom of the screen.
  6. In the Settings menu, select Software update.
    [Software update] is located in the 8th row from the top.
  7. Confirm the software update information, then press Update.
    At the bottom of the screen, the [Update] and [Close] buttons are lined up one above the other. The [Update] button is at the top.
  8. The update progress is displayed.
  9. Confirm the software update is complete.
    [Update completed] will be displayed on the screen, and the [Start over again] and [Later] buttons will be displayed vertically at the bottom.

Step 2: Check That the Update Was Successful

After the software update is complete, confirm that the new version has been installed successfully by following the steps in the Check the Firmware Version section. If the firmware version shown is 001.501, the firmware update was successful.

Questions and Answers

Q: What should I do if the update does not complete?
A: If the update does not complete, try the following:
  1. Unplug the power cord from the unit, and then plug it back in.
  2. Close and restart the Sony | BRAVIA Connect app.
  3. Restart your wireless LAN router.

If the update still does not complete, contact Sony Support.

Sony Support

    Firmware Update to Version 001.501