Canon EOS 20Da Firmware Update 2.0.3

This firmware update version 2.0.3 incorporates the following additions and improvements: fixes a problem in color temperature information transmission that occurred when using Speedlite 430EX and improves reliability in communication when using CF cards. This firmware update applies to cameras with firmware versions up to 2.0.2 installed.

Note: Please remove the lens from your camera before performing this update. After completing the update, turn the camera off and remove the battery for at least two seconds. This will cause the camera to recognize the new firmware.