The process of downloading the Canon Digital Rebel XTi Firmware 1.1.1 for Mac OS driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Canon Digital Rebel XTi Firmware 1.1.1 for Mac OS driver from the primary server - this is the manufacturer’s CANON official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Canon Digital Rebel XTi Firmware 1.1.1 for Mac OS diver.