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Title: Use 2.0.2 Firmware for Canon 20D
Review: I can confirm that if you've already upgraded to firmware version 2.0.3 on a Canon EOS 20D, you'll have to downgrade to 2.0.2 if you want to use this card... Follow the usual links on Canon's site to get to the firmware download page. 2.0.3 is the only one listed (currently), but just right-click the final download link to copy the link's location, paste it into your URL and replace "203" with "202" to get the previous version.Otherwise, this is a huge card (700-800 RAW shots) from a good company for a great price!
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