Applicable Models

This information is for the following models:

  • FA-WRC1M

About this download

Benefits and Improvements from the latest update

  • Enables the "External Flash Set" function with compatible Interchangeable Lens Cameras
    NOTE: This function is only supported when the wireless radio commander is attached directly to the camera, and cannot be used when shooting off-camera flash with a cable.
    Check the "External Flash Set" function instruction video.

  • Compatible camera models:

    • ILCE-7RM4 (with firmware version 1.10 or later)
    • ILCE-7RM3 (with firmware version 3.10 or later)
    • ILCE-7M3 (with firmware version 3.10 or later)

Previous Benefits and Improvements

The following benefits and improvements are also included in this update.

  • Adds the TTL LEVEL MEMORY function to set a measured flash power level for when the flash is in MANUAL mode.
    NOTE: For more information, refer to the "Help Guide" in the Manuals section of your product page. (Applicable product as of 22 May, 2018: HVL-F60RM)

File Info

File Name

  • FA-WRC1M System Software (Firmware) Update Ver.3.00 (Windows)

File Version

  • 3.00

File Size

  • 2.00MB (2,104,528 bytes)

Release Date

  • 02-04-2020

Before You Start

Check the system software version

Follow the instructions below to check the system software version. If the system software version is Ver.3.00, the update is not required.

  1. Select [Menu] → [2] → [VERSION] → [CMD] on the device.
  2. The system software version is displayed as illustrated below.

System Requirements

Operating systems

The latest version of the system software update is compatible with most commonly used versions of Microsoft® Windows:

  • Windows® 10
  • Windows® 8.1

Computer hardware

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

  • Hard disk space: 500 MB or more
  • Free RAM space: 512 MB or more

NOTE: Please close all other application software before updating the system software.

Other Hardware

  • Power source for the device:
    • Two new LR6 (AA-sized) alkaline batteries
    • or
    • Two fully charged AA-sized rechargeable nickel-metal hydride (Ni-MH) batteries
    NOTE: The update can be performed only when the remaining battery level is enough. We recommend that you use new batteries or fully charged batteries.
  • Use USB-standard cable or the cable attached to the camera.
    NOTE: Update functionality is not guaranteed with any other USB cable.

Download & Install

Important notice

  • Use two new LR6 (AA size) alkaline batteries or two fully charged AA-sized rechargeable nickel-metal hydride (Ni-MH) batteries.
  • Do not remove the battery during the update; otherwise, the device may become inoperable due to the sudden power shutdown.
  • Prevent your computer from entering Sleep mode.
  • Ensure all devices except the computer are disconnected.

How to download the Updater:

  1. Make sure that you are logged on as a user with administrative rights.
  2. After reading the disclaimer, click Download.
  3. The file [Update_FAWRC1MV300.exe] will start downloading.
  4. Save the file to the desktop of your computer (recommended).
    Note for Windows 8.1/10 users: With the standard settings of Internet Explorer, the update file will be saved in your Downloads folder. Click the Desktop icon on the Start screen and find the downloaded file in the Downloads folder using Explorer.

Step 1: Start the Updater

  1. Close all currently programs currently running on your computer.
  2. Double-click the [Update_FAWRC1MV300.exe] file you downloaded. - Do not connect the device at this point.
  3. System Software Updater starts up.
  4. Turn on the device.
  5. Use USB-standard cable or the cable attached to the camera. Then connect the computer and the device. The LCD monitor of the device turns off when connected to USB cable.

    NOTE: If the computer cannot find the device, the message "Could not find the device for this update." appears on the computer display. Try the following if this happens.
    • Disconnect the USB cable and connect it again.
    • If the computer has multiple USB terminals, try with the other terminals.
    NOTE: Never turn off the device nor disconnect the USB cable while updating.
  6. After confirming the LCD monitor for the device, click [Next]. The current version and the version after the update appear on the lower left part of the screen.
    NOTE: If the message "Would you like to install this device software?" (Publisher: Sony Corporation) appears on screen, click [Install].


    After confirming [Current version] is "2.00" or earlier, click [Next].


    NOTE: If the message "The update is not required." is displayed, stop the USB connection and click [Finish]. Turn off the device, remove the battery on the device again.
  7. The device automatically resets. The following screen appears.
  8. After automatically resetting, the screen below appears. The progress bar appears while updating (approximately 12 minutes).
    NOTE: Never turn off the device nor disconnect the USB cable while updating.
  9. Once the update is complete, the screen below will be shown. The device will automatically reboot, which may take a few minutes. When the screen appears, press the [Finish] button and disconnect the USB cable. Turn off the device and turn it on again.

    NOTE: If the PC screen shows that the update has failed, disconnect the USB cable, turn off the device, and try again from step 1.

Step 2: Confirm the system software version of your device is Ver.3.00.

  1. Select [Menu] → [2] → [VERSION] → [CMD] on the device.
  2. The system software version is displayed as illustrated below.