Canon have released a new firmware update, version 2.0.0, for the EOS 20D DSLR camera.

This firmware update (version 2.0.0) incorporates the following additions and improvements:

1. Support for the wireless file transmitter WFT-E1.
This function works when the WFT-E1 firmware is 2.0.1 or later.

This firmware update applies to cameras with firmware versions up to 1.1.0 installed. If your camera’s firmware is already version 2.0.0, it is not necessary to perform this update.

Website: Canon EOS 20D Firmware Version 2.0.0