Sony Releases a7 IV Firmware Update 5.00

Published: March 4, 2025

Sony-a7-IV-Firmware-5-00

Sony a7 IV Firmware Update 5.00 supports the Write Digital Signature function for still images as part of Sony’s Camera Authenticity Solution and adds multiple bug fixes.

Benefits and Improvements

• Supports the Write Digital Signature function for still images as part of Sony’s Camera Authenticity Solution

    • Installation of a paid license is required for use.
    • The timing for the provision of paid licenses to customers other than certain media outlets is yet to be determined.
    • Services may not be available in some countries or regions. For more information, please visit the Authenticity Catalog Page.

• Fixes an issue where switching the recording frame rate immediately after shooting causes audio and video to be recorded at different speeds or results in unstable operation in subsequent recordings
• Fixes an issue where the cursor does not move correctly when multiple identical items are registered in the function menu
• Fixes an issue where recording video by pressing the MOVIE button in still image shooting mode causes certain button operations to stop working
• Improves the operational stability of the camera

Previous Benefits and Improvements

All previous benefits and improvements are included in this update

File Info

Name: BODYDATA.DAT
Version: 5.00
Size: 874 716 568 bytes
Release Date: 03-04-2025

Things to keep in mind before performing the update

• Updates should be installed in chronological order. When updating from Ver. 1.01 or earlier, you need to update to Ver. 1.05 first, and then to Ver. 5.00. If you try to install Ver. 5.00 without updating to Ver. 1.05, an error will occur and you will not be able to update your camera.
• This update is only available for memory cards. Windows and macOS versions are not provided.
• You can download the software update using the Creators’ App available in the App Store and Google Play.

Download Links:

Firmware Update 5.00 (For a7 IV cameras running Ver. 1.05 or later)
Firmware Update 1.05 (For a7 IV cameras running Ver. 1.01 or earlier)

Saving Firmware to a Memory Card

IMPORTANT: Make sure there is only one BODYDATA.DAT file on the memory card.
• Click the Download button.
• After reading the disclaimer, click Download.
• Save the file to a computer.
• Insert the formatted memory card into the computer.
• Save the BODYDATA.DAT file in the root directory of the memory card.
Please Note: The file name must say BODYDATA.DAT. If you have downloaded Sony Firmware Updates in the past without deleing them, your computer may rename the update BODYDATA-2.DAT, BODYDATA-3.DAT, etc. You must change the filename back to BODYDATA.DAT before running the update.
 
Notes:
• Please format the memory card in advance using this product.
• Before formatting, copy the data to a computer or other device.
• Once you format the memory card, all the data recorded on the memory card will be deleted and cannot be restored.
• Please refer to the instruction manual of the camera for compatible memory cards.
 

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