Download Firmware Version 18.104.22.168.00 for the EOS C300.
This information is for residents of the United States and its five territories only. If you do not reside in the USA or its five territories, please contact the Canon Customer Support Center in your region.
If you have not already done so, please register your EOS C300. By registering, we will be able to notify you via email about future service upgrades.
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