Inside your camera is a microprocessor (small computer), that uses software stored on non-removable flash memory inside your camera.This is called firmware and is the operating system of your camera which allows you to control the features and functions, with the camera’s menus and buttons.The manufacturer investigates these problems and produces fixes for them in the form of firmware updates.

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Look for higher version numbers than the one found on your camera.

If the version numbers are the same, there is no need to perform an update.

Since then, there have been various updates to this firmware that include support for other Canon EOS cameras while also including useful still photography features such as: an intervalometer, custom bulb timer for long exposures, motion detection, voice tags for photos, etc.

This firmware runs from your CF or SD card, instead of the factory firmware inside your camera.

Your instruction manual will help you find where to look in the menus.

You can check for the latest firmware by looking at the manufactures support and downloads section of their website for your brand and model of camera.

If you have never checked your camera for a firmware update then now is a good a time to do so.

First check what version of firmware your camera is running.

Other reasons why firmware updates are released is to include new camera features such as added languages, or to have manually adjustable settings that were once solely automatic.