Canon has released a firmware update to its 10.1-megapixel EOS Digital Rebel XTi, also known as the EOS 400D in other parts of the world. This firmware update, v1.1.0, primarily enhances the camera's USB functionality by adding support for the new MTP USB protocol. The previous firmware update, v1.0.5, contains several other improvements, which are included in this update as well.
We generally recommend installing the latest firmware updates for your camera, so you can get the most out of your gear. For more information on firmware updates for a specific camera, visit the manufacturer's Web site. Before installing any firmware upgrade, always take the time to read through all of the documentation and follow the manufacturer's instructions carefully.