Applicable Model

This information is for the following model(s):

  • HT-A7100 / BRAVIA Theatre Bar 7

About This Download

Benefits and Improvements

  • Adds connection support for the optional BRAVIA Theatre Sub 8 / BRAVIA Theatre Sub 9 subwoofer
  • Adds connection support for the optional BRAVIA Theatre Rear 9 rear speaker
  • Adds connection support for up to two optional subwoofers of the same model (BRAVIA Theatre Sub 7, BRAVIA Theatre Sub 8, BRAVIA Theatre Sub 9)

Note: Some models may not be available in certain countries or regions.

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 control box must be connected to your Android device or iPhone.
  • Each speaker must be connected to the control box.

File Info

  • Name: Firmware update 001.400
  • Version: 001.400
  • Size: 233 MB (244 371 949 bytes)
  • Release Date: 31-03-2026

Preparation

Check the Firmware Version

If the firmware version is 001.400, you do NOT need to perform the update.
To check which firmware version you have:

  1. Turn on the control box.
  2. Launch the Sony | BRAVIA Connect app.
  3. Connect the control box to the Sony | BRAVIA Connect app.
  4. Connect each speaker to the control box.
  5. In the remote menu, select Settings.
    [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 for the control box and speakers under Software Version. (Ignore the 00 before the version number.)
    [Software Version] is displayed in the [System Information] screen.

Important Notice

  • Do NOT turn off the soundbar or tap the (power button) in the remote menu during the firmware update.
  • Do NOT perform the update in a location where the Wi-Fi signal is inconsistent or could 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 to improve the signal.

Before You Upgrade

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

Download & Install

Step 1: Install the Update

  1. Turn on the control box.
  2. Launch the Sony | BRAVIA Connect app.
  3. Connect the control box to the Sony | BRAVIA Connect app.
  4. Connect each speaker to the control box.
  5. In the remote menu, select Settings.
    [Settings] is displayed slightly below the vertical center of the screen.
    Note: If an update is available, the message “You can update to the latest software.” will be displayed. Press Confirm to begin the update process.
    The message will be displayed at the bottom of the screen, with [Confirm] displayed on the far right.
  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. An update progress bar will appear. The screen will change once the update is complete.
  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: Confirm the Update Was Successful

After the software update is complete, confirm that the new version was installed successfully by following the steps in the Check the Firmware Version section of this page. If the firmware version shown is 001.400, the update was successful.

Sony SupportHT-A7100 / BRAVIA Theatre Bar 7

Firmware Update to Version 001.400