Firmware Notice: EOS-1D X Firmware Update: Firmware Version 2.1.1
Firmware Version 2.1.1 incorporates the following fixes:
- Corrects a PTP communications vulnerability.
- Corrects a vulnerability related to firmware
If you have not already done so, please register the EOS-1D X. By registering, we will be able to notify you via email about future announcements.
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.
Customer Support Operations
Canon U.S.A., Inc.
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