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Firmware Update: EOS 90D Firmware Version 1.1.1

Thank you for using Canon products.

Affected Products

Changes in firmware:

The new firmware (version 1.1.1) incorporates the following enhancements:
  1. The option to capture both 4K and Full HD movies in the frame rate of 23.98p has been newly added.
  2. Fixes an issue where error code “Err 01” may be displayed when using EF 85mm f/1.8 USM or EF 100mm f/2 USM lenses.
Contact Information
Should you have any questions about the announcement, please contact the Authorized Service Facility in your area or you may contact the Call Center within your region.