Sony Alpha 9 III (ILCE-9M3)
firmware v4.00
Sony · Released Oct 29, 2025 · First seen Jul 4, 2026
v4.00 is the latest firmware for the Sony Alpha 9 III (ILCE-9M3), released October 29, 2025.
What's in this update
Adds support for Real-time Recognition AF+ with improved subject detection and tracking capabilities Allows you to set Recognition Target to Auto, enabling the camera to automatically select subjects such as humans and animals Adapts the display layout of shooting information for both horizontal and vertical viewing Adds support for the Preset Focus function with lenses that do not have power zoom, including Sony's manual zoom E-mount lenses The registered positions of preset focus/zoom are incompatible before and after the camera software update.
Please re-register the preset focus/zoom after the update.
Some zoom lenses without power zoom are not supported.
For more details, please visit the following link: https://support.d-imaging.sony.co.jp/www/cscs/lens_body/ Adds FL2 (Film 2) and FL3 (Film 3) to the Creative Look options Allows you to select whether to change the Shooting Mode, Drive Mode, and Focus Mode using the dial or through the menu Improves the metering accuracy when using bounce flash Optimizes the battery level display Allows simultaneous Delete and Rating of images recorded on both Memory Card Slot 1 and Slot 2 Allows the display of folder names and file names during playback Allows you to cancel the scheduled transfer of selected images during FTP transfer Adds support for the following Transfer & Tagging settings: A setting to automatically schedule FTP transfer of protected still images from FTP Import A setting to automatically schedule FTP transfer of protected still images and videos from FTP Upload Preset A setting to automatically protect still images transferred via FTP from FTP Upload Preset The latest version of the Transfer & Tagging app is necessary.
The Transfer & Tagging setting may not be available in some countries or regions.
Supports the following Monitor & Control app functions: Focus map display IRIS operation bar display The latest version of the Monitor & Control app is necessary.
The Monitor & Control app may not be available in some countries or regions.
Supports the Write Digital Signature function for movies as part of Sony's Camera Authenticity Solution The timing for the provision of licenses (paid) 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.
Supports Scan and Tag, Photo Cropping, and Volume Photography Commands under the Volume Photography License
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