Canon EOS 90D firmware

Firmware history

1. Version 1.1.1 Latest Released Oct 25, 2019 First seen Jul 10, 2026
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   Firmware changes: Firmware Version 1.1.1 incorporates the following enhancements and fixes: ​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 EF85mm F1.8 USM or EF100mm F2 USM lenses. This firmware update is for cameras equipped with firmware Version 1.0.0. If the camera's firmware is already Version 1.1.1, this update is unnecessary. When updating the firmware of the camera, please review the instructions thoroughly before you download the firmware. The firmware update takes approximately 6 minutes. Caution: The user guide has been revised to reflect the functional improvements to the product. Please download the latest version of the user guide together with the new firmware. The latest version of the user guide can be downloaded from Canon's Web site. Preparations for a firmware update: After the downloaded compressed file (.dmg) is extracted, a​ firmware folder is created.

   • Extracting the downloaded file: The downloaded folder is automatically extracted, and a firmware folder is created. If the download folder cannot be automatically extracted, double-click the folder. The extracted folder contains the firmware (File name: 90D00111. FIR, File size: 39,424,560 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese). Before starting the firmware update operations, please confirm the contents of the download, and carefully read through the firmware update procedures. (The following is the history of past firmware updates) Firmware Version 1.1.1 is the first update to be released.
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