This update was suspended on August 24, 2022, because some products could not operate properly after the update to Ver.1.10. The update has resumed with countermeasures on September 8, 2022. We apologize for your inconvenience. In case you have already updated to Ver.1.10, if you can set RAW File Type to Lossless Compression (L), the issue will not appear. (Added on September 8, 2022)
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.
- 1. On the camera, select Menu.
2. Select Setup → Setup Option → Version.
If it is already Ver.1.05 or later, please update to the latest system software version.
Download Links:
Firmware Update 1.05 (For a7 IV cameras running Ver. 1.01 or earlier)
Firmware Update 1.10 (For a7 IV cameras running Ver. 1.05)
Order Sony a7 IV from B&H Photo | Amazon
