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EOS C400 Firmware Update version 1.0.6.1

25th June 2026

Thank you for using Canon products.

Changes:
Firmware Version 1.0.6.1 incorporates the following fixes and enhancements:

1. Enables operation of the following camera functions from an external device via USB connection when the power switch is set to [CAMERA] and the camera is in camera mode:
- Start/Stop Recording
- One-Shot AF
- Manual Focus Adjustment
- Iris
- Shutter Speed
- ISO Speed

2. Changes the color of the level indicator when the orientation of the camera is level.

3. Enables automatic reconnection attempts during SRT protocol streaming if the connection is lost, continuing for the duration specified in the [SRT: Reconnection Timeout] setting.

4. Fixes an issue that may interfere with the camera’s ability to connect to an FTP server.

5. Fixes an issue that may cause the camera to not be recognized when connected to a smartphone via USB.

6. Improves operational stability.

For details, please refer to the user manual (latest version) for this product.

Caution:
- Please use an SD/SDHC/SDXC memory card that is 512MB or greater to perform the firmware update.
- Firmware version 1.0.6.1 is for updating cameras running firmware version 1.0.0.1 - 1.0.5.1. If your camera's firmware is already version 1.0.6.1, it is not necessary to update the firmware. Once the camera is updated to the latest version, it cannot be restored to a previous version.
- Please refrain from loading menu settings generated using the most recent firmware version to a product running an old firmware version, as doing so may affect camera operations.

Further information:
EOS C400 Firmware Download Link

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