Sony issued a new A7IV 1.11 firmware update (Click here to download).
Benefits and Improvements
WARNING! Make sure that there is only one BODYDATA.DAT file on the memory card. If you have used the card for a previous update, format the memory card in the camera before downloading a new file.
- Improves the shutter reliability
- Fixes an issue where the movie file rotated by the camera may not be rotated when displayed on a computer
Precautions when updating from Ver.1.01 or earlier
- When updating from Ver.1.01 or earlier, you need to update to Ver.1.05 before proceeding with the Ver.1.11 update. Only update to Ver.1.11 after updating to Ver.1.05. If you try to update to Ver.1.11 without updating to Ver.1.05, an error will occur and you will not be able to update.
- Follow the instructions below to check the system software version.
Note: If the Date/Time setting screen appears when you turn on your camera, be sure to set the date and time to the correct values.- On the camera, select Menu.
- Select Setup → Setup Option → Version.
If it is already Ver.1.05 or later, please update to the latest system software version.