The latest firmware version for the Sony A1 is now version 1.01
Firmware v1.01 Benefits and Improvements
- Fixes an issue where a Picture Profile may be applied even though the Picture Profile feature is set to Off
- Improves the operational stability of the camera when using Imaging Edge Desktop (Remote) or Imaging Edge Mobile
You can download the latest firmware from your local Sony support website. The below links will take you to the correct page to download the firmware. Make sure that you download the correct firmware for your computer (Windows or Mac).
Important note: Make sure that you read the install instructions, especially for Mac. You will need the latest Sony Camera Driver as well for a successful install on MacOS 10.14, 10.15, 11.
Previous Firmware Versions
Improvements from previous firmware versions are always included in the latest firmware version. So even if you have missed a couple of firmware versions, you only ever need to install the latest version.