Applicable Models

This information is for the following models:

  • ILCE-6400

About this download

Benefits and Improvements

  • Adds real-time Eye AF for animals [1]
  • Allows the operation with the wireless remote commander RMT-P1BT (sold separately)
  • Improves the overall stability of the camera

  • [1]
    • It is not possible to detect simultaneously human and animal eyes.
    • Eye detection may not be possible depending on the environment, animal type or the movement of the animal.
      Please see the Support site for details.
Please refer to the Help Guide for more information on updated functions.

File Info

File Name

  • ILCE-6400 System Software (Firmware) Update Ver.2.00 (Mac)

File Version

  • 2.00

File Size

  • 306.8 MB (306,772,955 bytes)

Release Date

  • 13-06-2019


Check the system software version

Follow the instructions below to check the system software version. If the system software version is Ver.2.00, the update is not required.

  1. Select Menu > Setup subpage [7] > Version on the camera.
  2. The system software version is displayed as illustrated below.
    System Software Version

System Requirements

Operating Systems

The latest version of the system software update is compatible with the following Macintosh versions:

  • macOS 10.12 – 10.14

Computer Hardware

The latest version of the system software update is compatible with the following hardware:

  • Hard drive space: 600 MB or more
  • RAM: 512 MB or more

Other Hardware

  • Power source for the device.
    NP-FW50 or the AC adaptor AC-PW20 (sold separately)
    Note: The update can only be performed when the battery power level is Battery Power Level (three bars) or more. We recommend that you use a fully charged battery. Detach the vertical grip before updating system software.
  • USB cable supplied with the device
    Note: Update functionality is not guaranteed with any other USB cable.

Important notice

  • Use a fully charged NP-FW50 rechargeable battery pack or the AC-PW20 AC adaptor (sold separately).
  • Do not remove the battery during the update; as the sudden loss of power may render the camera inoperable.
  • Remove the memory card from the camera before starting the update process.
  • Prevent your computer from entering Sleep mode.
  • Do not open "About This System Software Updater" in the System Software Updater menu as this may cause the Updater software to crash.
  • Do not connect the camera to other any other devices except your computer.
  • Do not connect the camera to the computer until instructed.

How to download the Updater:

  1. After reading the disclaimer, click Download.
  2. The [Update_ILCE6400V200.dmg] file will start downloading.
  3. Save the file to the desktop of your computer (recommended).

Step 1: Start the Updater

  1. Close all programs currently running on your computer.
  2. Double-click the [Update_ILCE6400V200.dmg] file you downloaded. Do not connect the camera at this point.
    If you have connected the camera to a computer, disconnect it before following the procedure.
  3. [Update_ILCE6400V200] is expanded.
  4. Double-click the [UpdateSetting Tool] icon.UpdateSetting Tool
  5. To load a kernel extension, the message prompts you to allow the application to make changes. Type the password for the administrative account.
    Enter the username and password

    • For macOS 10.15 users

      If your computer is running on macOS 10.15, you also need to download the Driver Loader. Go to the download page below,
      follow the instructions, and download the Driver Loader to start the updater.
      If your computer is running on another OS, follow the procedure below.

    • For macOS 10.13 or 10.14 users
        After the message from the system is displayed, the security and privacy screen will be displayed.
      • If the following message is displayed before "Security and Privacy" is displayed, press the [OK] button.
        Press the OK button
      • Open the "General" tab on the "Security and Privacy" screen and allow reading of the "Sony Corporation" system software.
        Note: If you have approved this in the past, the security and privacy screen will not be displayed.
        If you are asked to restart macOS after clicking the [Allow] button, please restart and return to the beginning of the update procedure.
        Security and Privacy screen
      • If the "Security and Privacy" screens does not disappear, please close the window.
      • If the displayed message and the "Security and Privacy" screen do not disappear, close both using the [OK] button.
        System Extension Blocked screen

  6. Connect the camera to the computer
    • A dialogue box for the USB connection will be displayed.
      Connect the device to the computer with the USB cable
    • Connect the camera to the computer using the USB cable (supplied). "USB Mode" will appear on the LCD monitor of the camera.
      If the USB cable was connected before the dialog prompting USB connection appeared, disconnect the USB cable and start the updater again.
    • Click [OK].If the message is displayed, close using the [OK] button.
      Press the OK button
      Note: Never turn off the camera nor disconnect the USB cable while updating.

  7. The System Software Updater will start.
    System Software Updater
    Note: If the System Software Updater does not start up, double-click [System Software Updater] in the [Update_ILCE6400V200] — [Resources] folder to start up.

  8. Turn on the camera.

  9. Following the instructions in the System Software Updater window, on the camera, select Menu > Setup subpage [4] > USB Connection and check that Mass Storage has been selected.If a mode other than Mass Storage is selected, please select Mass Storage.
    Setup3 — Mass Storage

  10. Click [Next]. The current version number and updated version number appear on the lower left-hand side of the screen.After confirming that the current software version is "Ver. 1.00 or earlier", click [Next]. If the current system software version is 2.00 or later, the update is not required.In this case, disconnect the camera from the computer and click [Finish]. Turn off the camera, remove the battery pack, reinsert the battery and turn the camera back on.

    Update is required
    Current Version and Updated Version Numbers

    Update is not required
    Update is not required

  11. The camera will automatically be reset.
    The screen below will be displayed.
    The camera will automatically be reset
    Note: The Loading icon may not be displayed depending on the OS version that you are using.

  12. Start the update
    After automatically resetting, the following screen is shown and the update starts. The progress bar appears during the update process (approximately 15 minutes).
    Note: Never turn off the camera or disconnect the USB cable while updating.
    Update Progress Bar

  13. Complete the update
    Once the update has been completed, the camera will automatically restart. Make sure that the camera is turned on and wait until the LCD screen appears again.Click [Finish] when the LCD screen appears and disconnect the USB cable.
    Click Finish
    Note: After restarting, a data recovery warning is sometimes displayed. This is normal. Please wait until this warning disappears.
    Recovering data. Please wait...

Step 2: Confirm that the system software version of your device is Ver. 2.00.

  1. On the camera, select Menu > Setup subpage [7] > Version
  2. The system software version is displayed as illustrated below.
    Updated System Software Version

Questions & Answers

The update does not complete

When the monitor remains black for more than 15 minutes, follow these steps to troubleshoot the issue:

  1. Disconnect the USB cable from the computer.
  2. Remove the battery and AC adapter from the camera, leave it for a few minutes, then insert the battery again or connect the AC adapter.
  3. Restart the computer.
  4. Turn on the camera and perform the installation process again.