Sony has released the Ver. 4.00 firmware update for the a1. This is a fairly minor update, but it does add some features that will benefit users.
Benefits and Improvements
- Adapts the display layout of shooting information for both horizontal and vertical viewing
- Adds the Spot: XL and Spot: XS options to the Spot section of the Focus Area menu
- Adds the Custom 1, Custom 2, and Custom 3 options to the Custom section of the Focus Area menu
- Adds the Tracking: Spot XL, Tracking: Spot XS, Tracking: Custom 1, Tracking: Custom 2, and Tracking: Custom 3 options to the Tracking section of the Focus Area menu
- Allows simultaneous deletion and rating of images stored on both memory card slot 1 and slot 2
- Allows the display of folder 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
- Installation of a paid license is required for use.
- Services may not be available in some countries or regions.
- No longer supports the Security (IPsec) functionality. Please enable and use Access Authen. for enhanced protection and security
- No longer supports WPA and WEP functionalities. 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
- Fixes an issue where continuous shooting may not resume for 1 to 2 seconds after the end of a continuous shooting session
- Fixes an issue where the multi-selector on the vertical grip may not function correctly
- Improves the operational stability of the camera

