Document. Requires Adobe® Reader™ to view PDF file. Windows®: Right-click the link, and save the PDF file. Mac OS X: Click on the link while holding the. If you can't access the link (if it is region blocked or similar) go to google and search "Canon 550D firmware" and look for a link that comes from. Canon Professional Network News reports that Canon has introduced firmware updates for its EOS-1D Mark IV and EOS 550D DSLRs that include fixes.
In July 2010 Canon released firmware 1.0.8 that fixes a phenomenon in which the set aperture moves unexpectedly when. Hello. I have had a 550D/T2i for a while now and recently played with a 7D and 5DMkII. One thing I noticed and wanted right away is that these.