The camera recognizes the firmware update file on the CF card and displays messages on the rear LCD screen which tell you how to proceed. You then place the card with the new firmware in the camera and turn the camera on. The Canon website linked to below tell you how to do this via either a CF card reader attached to your computer or via a USB link to the camera. You download the firmware file from a website (see URL below) and load it onto a CF card. Loading new firmware isn't a difficult process. If necessary you can always load the Canon firmware back into the camera and restore it to its original state.
You upload non-Canon firmware, but many people report good results and few problems from installing this firmware hack. Now of course Canon do not approve of this and technically it may void the camera warranty if
Well, some enterprising people have found that many of the 'missing functions' can be enabled by small modifications The Canon EOS Digital Rebel has very similar hardware to the Canon EOS 10D (same sensor), but lacks many of theįunctions found in the 10D, like flash exposure compensation, mirror lock up, ISO 3200 speed setting etc.
