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-A77V

About this download

Benefits and improvements

This utility updates the SLT-A77V camera firmware to version 1.07 and provides the following benefits:

Improvements over version 1.06:

  • Provides support for the following automatic compensation compliant lenses:
    • SAL100M28, SAL50M28, SAL85F28, SAL18200, SAL20F28, SAL28F28

Benefits provided by previous updates and included in version 1.07:

  • Provides support for the following automatic compensation compliant lenses:
    • SAL30M28, SAL50F14, SAL2470Z, SAL2875, SAL70400G, SAL70200G, SAL35F14G, SAL1635Z
    • SAL24F20Z, SAL85F14Z, SAL135F18Z, SAL70300G, SAL35F18, SAL50F18
    • Vario-Sonnar T DT 16-80mm F3.5-4.5 ZA (SAL1680Z)
    • DT 16-105mm F3.5-5.6 (SAL16105)
  • Improves Auto review response
  • Improves the responses for the front/rear dials
  • Improves response between power SW operation and power off
  • Improves AF response with 500mm F4 G SSM (SAL500F40G) lens
  • Improves AF accuracy for scenes which include overexposed areas
  • Improves the responses for the front/rear dials when assigned for exposure compensation
  • Improves picture quality for 24p movie recording (NTSC regions only)
  • Improves overexposed images while in ADI flash control
  • Improves usability

System Requirements

Operating Systems

  • Windows Vista®
  • Windows Vista® 64-bit
  • Windows® 10
  • Windows® 10 64-bit
  • Windows® 7
  • Windows® 7 64-bit
  • Windows® 8
  • Windows® 8 64-bit
  • Windows® 8.1
  • Windows® 8.1 64-bit
  • Windows® XP

File Info

File Name

  • Update_SLTA77V107.exe

File Version

  • 1.07

File Size

  • 65.4 MB

Release Date

  • 02-04-2013

Before You Start

Determine if Your Camera Needs the Update

This update is only for SLT-A77 cameras that currently have a firmware version 1.06 or lower. If your camera firmware version is already Version 1.07, 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 1.07 or higher, the camera does not need this update.

Important Notes

  • IMPORTANT: This utility is only for use with the Sony® SLT-A77 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 10
        • Windows 8/8.1
        • Windows 7 (with Service Pack 1)
        • 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-FM500H rechargeable battery pack, or the AC-PW10AM 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 "Intialize".
  6. At the "Intialize" screen, select "Reset Default".
  7. At the "Reset Default" screen, select "OK".
    Note: Please wait more than 10 seconds to complete the reset. The LCD screen of the camera may or may not turn off.
  8. Remove power source (battery or AC adaptor) from the camera.
  9. Reconnect the power source (battery or AC adaptor) to the camera.
  10. Power on the camera.
  11. Press the Menu button.
  12. At the "Menu" screen, select "Setup".
  13. 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 Update_SLTA77V107.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 Update_SLTA77V107.exe file to begin the Firmware Updater.
  3. Connect the camera to your computer using the supplied USB cable.
  4. Verify that the remove hardware icon Remove Hardware Icon or 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, the following screen is displayed, and the camera screen displays the message, "Follow computer instructions."
    Note: Do not cover the eyepiece sensors on the camera during the update, otherwise the LCD monitor may switch to the viewfinder. If you are unable see anything on the camera LCD monitor, please press the "FINDER/LCD" button.
  7. At the "Firmware Updater" window, click "Next".
    Camera Connected Screen
  8. When the following screen is displayed, check the version number at the lower left.
    Current Version Screen
    If the current version is "1.02", "1.03", "1.04", "1.05", or "1.06", click "Next".
    Note: If the current version is "1.07", your camera does not need this update. Stop the USB connection by clicking the remove hardware icon Remove Hardware Icon or Remove Hardware Icon in the task tray in the lower right corner of the computer screen, click the "Finish" button on the "Firmware Updater" screen, then remove the battery or disconnect the AC adaptor briefly, and then power on the camera again.

    WARNING!!: Do not disconnect the USB cable from the camera or the computer.
  9. On the camera, press the center button of the Control Wheel to reset the camera.
    Reset Camera Screen
  10. At the "Firmware Updater" screen, click "Next".

  11. Click Next Screen
  12. When the following screen is displayed, click "Run".
    Note: The update process takes about five 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", and then disconnect the USB cable.
    Update Complete Screen
  14. Power off the camera, then remove the battery pack or AC adapter.
  15. 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 1.07, the firmware update was successful.
    Note: If the firmware version number is not 1.07, please download and install the firmware update again.