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Firmware Notice: Speedlite EL-100: Firmware Version 1.0.1

Firmware Version 1.0.1 incorporates the following fix:

  1. In some cases the flash may not fire correctly under specific shooting conditions.

Firmware Version 1.0.1 is for flashes with firmware Version 1.0.0. If the flash's firmware is already Version 1.0.1, it is not necessary to update the firmware.

When updating the firmware of the flash, please review the instructions thoroughly before you download the firmware.


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.

Thank you,
Customer Support Operations
Canon U.S.A., Inc. 

Contact Information for Inquiries
Canon Customer Support Center
Support options and hours of operation: www.usa.canon.com/support

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