Applicable Models

IMPORTANT: This file is only for use with the models identified. Not all models are sold in all countries.

This information is for the following models:

  • SLT-A33

About this download

Benefits and improvements

This utility updates the SLT-A33 camera firmware to version 2.00 and provides the following benefits:
  • Adds the function to use "Picture Effect" modes
  • Adds the ability to assign often used features to the D-RANGE button
  • Adds a new mode to turn off display parameters
  • Improves menu operability
  • Enables the use of wireless High-Speed Synchronization with applicable external flash units
  • Adds a digital level gauge function when using an optional external monitor such as the CLM-V55 Clip-on LCD Monitor
  • More details about benefits provided by firmware version 2.00.

System Requirements

Operating Systems

  • Windows Vista®
  • Windows Vista® 64-bit
  • Windows® 7
  • Windows® 7 64-bit
  • Windows® 8
  • Windows® 8 64-bit
  • Windows® XP
  • Windows® XP MCE

File Info

File Name

  • SLT-A33V2_Update1105a.exe

File Version

  • 2.00

File Size

  • 41.72 MB

Release Date

  • 06-20-2011

Before You Start


Determine if Your Camera Needs the Update

This update is only for SLT-A33 cameras that currently have a firmware version 1.10 or lower. If your camera firmware version is already Version 2.00, this update is not necessary.


Check the version of your camera firmware:


  1. Power on the camera.
  2. Press the Menu button.
  3. At the "Menu" screen, select "Setup".
  4. At the "Setup" screen, select "Version".
  5. The firmware version is displayed on the LCD screen.
    Firmware Version Screen
    If the current firmware version is 2.00 or higher, the camera does not need this update.

Important Notes

  • WARNING!!: This utility is only for use with the Sony® SLT-A33 camera. Do not install this utility with any other model.
  • WARNING!!: This Digital Camera firmware update and any changes incurred by it are permanent. It is not possible to return to a previous firmware version after updating this firmware. By continuing this update process and downloading and updating this firmware, you acknowledge that you are aware and understand that this update cannot be reversed.
  • This update process requires the following items for proper updating:
    • A computer with:
      • Available Hard Disk Space: 200 MB or more
      • Installed Memory (RAM): 512 MB or more
      • A USB port.
      • One of the following Microsoft® Windows® operating systems installed:
        • Windows 8
        • Windows 7
        • Windows Vista® (with Service Pack 2)
          Note: Starter Edition of Windows Vista is not supported.
        • Windows XP (with Service Pack 3)
          Note: 64-bit and Starter Editions of Windows XP are not supported.
    • Camera power supply:
      • When performing the firmware update, use a fully charged NP-FW50 rechargeable battery pack, or the AC-PW20 AC adapter/charger (sold separately).
        WARNING!!: The camera may not operate properly if the power is interrupted during the update.
    • USB cable:
      • Use only the USB cable supplied with the camera.
        IMPORTANT: Update functionality is not guaranteed with any other USB cable.
  • To ensure that no other program interferes with the installation, save all work and close all other programs. The Taskbar should be clear of applications before proceeding.
  • It is highly recommended that you print out these instructions for use as a reference during the installation process.
Prepare the Camera for the Firmware Update
  1. Remove the memory card from the camera
  2. Power on the camera.
  3. Press the Menu button.
  4. At the "Menu" screen, select "Setup".
  5. At the "Setup" screen, select "USB Connection" and verify that "Mass Storage" is selected.
    Mass Storage USB Setting

Download & Install


Table of Contents

Download and Update the Firmware

  1. Download the SLT-A33V2_Update1105a.exe file to a temporary or download directory (please note this directory for reference).
  2. Go to the directory where the file was downloaded and double-click the SLT-A33V2_Update1105a.exe file to begin the Firmware Updater.
  3. Connect the camera to your computer using the supplied USB cable.
    Note: The LCD screen on the camera will turn off when it is connected to the computer.
  4. Verify that the remove hardware icon is displayed in the task tray at the lower right-hand corner of the computer screen.
  5. At the "Firmware Updater" window, click "Next".
    Connect the Camera Screen
    WARNING!!: Do not power off the camera or disconnect the USB cable until the update process is complete.
  6. When the updater recognizes the camera connection following screen is displayed, and the camera screen displays the message, "Follow computer instructions."
    Camera Connected Screen
  7. At the "Firmware Updater" window, click "Next".
  8. When the following screen is displayed, check the version number at the lower left.
    Current Version Screen
    If the current version is "Ver.1", click "Next".
    Note: If the current version is "Ver.2", your camera does not need this update. Stop the USB connection, click "Finish", then remove the battery or disconnect the AC adaptor briefly, and then power on the camera again.
  9. When the following screen is displayed, click the remove hardware icon in the task tray to stop the USB connection.
    Note: Do not disconnect the USB cable from the camera or the computer.
    Reset Camera Screen
  10. Press the center button of the Control Wheel to reset the camera.
  11. At the "Firmware Updater" window, click "Next".
  12. When the following screen is displayed, click "Run".
    Note: The update process takes about four minutes to complete.
    Run the Update Screen
    WARNING!!: Do not power off the camera or disconnect the USB cable until the update process is complete.
  13. When the following screen is displayed, click "Finish".
    Update Complete Screen
  14. Click the remove hardware icon in the task tray to stop the USB connection, and then disconnect the USB cable.
  15. Power off the camera, then remove the battery pack or AC adapter.
  16. Reconnect the battery pack or AC adapter and power on the camera.
Check the Firmware Version After Updating (optional)
  1. Power on the camera.
  2. Press the Menu button.
  3. At the "Menu" screen, select "Setup".
  4. At the "Setup" screen, select "Version".
  5. The firmware version is displayed on the LCD screen.
    Firmware Version Screen
    If the current firmware version is 2.00, the firmware update was successful.
    Note: If the firmware version number is not 2.00, please download and install the firmware update again.