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Service Notice: EOS Rebel T4i Firmware Version 1.0.4


Thank you for using Canon products.

Canon has released a firmware update for the EOS Rebel T4i digital cameras.


EOS Rebel T4i


Firmware Version 1.0.4 incorporates the following fixes:

1. Fixes the following phenomena which may occur when the camera is used in combination with certain lens models equipped with a stepping motor.
Affected lenses: EF-S 18-135mm f/3.5-5.6 IS STM / EF-S 18-55mm f/3.5-5.6 IS STM.
        1. The camera may freeze in rare instances if you try to shoot with a lens cap attached or meter a subject in low contrast in Live View (or Movie) shooting.
        2. Fine focus adjustment may not be possible in Remote Live View on the EOS Utility software.
2. Fixes a phenomenon in which some SD card products are not recognized by the camera.
3. Corrects some misspellings displayed on the menu screen.

Firmware Version 1.0.4 is for cameras with firmware Version 1.0.1 or earlier. If the camera’s firmware is already Version 1.0.4, it is not necessary to update the firmware.

When updating the firmware of your camera, please first review the instructions thoroughly before you download the firmware.


The new Firmware Version 1.0.4 can be downloaded by clicking here

This information is for residents of the United States and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region.

Please Please register your EOS Rebel T4i. By registering, we will be able to notify you via email when service updates are available.

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

Contact Information for Inquiries
Canon Customer Support Center
Phone:     1-800-OK-CANON     
TDD:        1-866-251-3752
Email: carecenter@cits.canon.com
Support options and hours of operation: www.usa.canon.com/support