You can now download the A7IV firmware at Sony (Click here) .
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.1.10 update. Only update to Ver.1.10 after updating to Ver.1.05 . If you try to update to Ver.1.10 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.
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