Download Firmware Version 1.0.1 for the Speedlite EL-100.
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 Speedlite EL-100. By registering, we will be able to notify you via email about future service upgrades.
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