Sony A1 II Firmware Update v4.00

The latest firmware version for the Sony A1 II is now version 4.00.

Firmware v4.00 Benefits and Improvements

• Adds support for Real-time Recognition AF+ with improved subject detection and tracking capabilities
• 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
• Improves the metering accuracy when using bounce flash
• Optimizes the battery level display
• 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.
• Improves the operational stability of the camera

Firmware Download & Install

The easiest way to download and install the latest firmware is via Sony’s Creators App.

Alternatively you can download the firmware to a memory card and install it through the cameras menu:  Menu → Setup → Setup Option → Version → Body.

• US: Sony Support
• UK: Sony Support

Previous Firmware Versions

Firmware v3.00

• Adapts the display layout of shooting information for both horizontal and vertical viewing
• Allows you to select whether to change the Shooting Mode, Drive Mode, and Focus Mode using the dial or through the menu
• Allows simultaneous deleting 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 add OK/NG/KEEP flags to clips during or after movie recording
• 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
    • Ver. 2.3.0 or later of the Transfer & Tagging setting is necessary for Android, and Ver. 2.3.1 or later is necessary for iOS.
      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
    • Ver. 2.3.0 or later of the Monitor & Control app is necessary.
      The Monitor & Control app may not be available in some countries or regions
• Supports Scan and Tag, Photo Cropping, and Volume Photography Commands under the Volume Photography License
  • Installation of a paid license is required for use.
  • The provision of the license is scheduled to begin after August 2025.
  • Services may not be available in some countries or regions.
• Updates the display of the shooting date and time to the user date and time (The built-in clock of the camera) instead of the server date and time when viewing images captured with the Write Digital Signature function set to On in the 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.
• WPA and WEP functionalities are no longer supported. You will no longer be able to select WPA or WEP when connecting to Wi-Fi. Please use the more secure WPA2 or WPA3 security setting moving forward
• Improves the operational stability of the camera

Firmware v2.01

• Fixes an issue where setting Recording Media to Sort Recording may cause a restart during still image capture
• Fixes an issue where the effectiveness of the Soft Skin Effect when recording movies in S-Log3 was not properly adjusted

Firmware v2.00

• Supports the Write Digital Signature function for still images and the C2PA format as part of Sony’s Camera Authenticity Solution.
• Improves image quality when applying user LUTs
• Improves the operational stability of the camera

Firmware v1.00

Release firmware.