Canon PowerShot SX420 IS firmware

Firmware history

1. Version 1.1.0.0 Latest Released Apr 28, 2023 First seen Jul 10, 2026
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   Firmware Version 1.1.0.0 incorporates the following enhancement:

   1. Adds enhanced security for transferring captured images to image.canon. After July 2023, please update to this firmware version so t​hat you will be able to send images to image.canon. If you do not update to this version, an error message will appear when sending images and the image will not be sent. If the camera's firmware is already Version 1.1.0.0, it is not necessary to update the firmware. Preparations for a firmware update: After the downloaded compressed file (.zip) is extracted, a firmware folder is created.

   • Extracting the downloaded file: Right-click the zip file, and then select Extract All to extract the file. In the folder you downloaded are the firmware (SX420110. Fl2 / file size: 4,954,432 bytes) and instructions on the firmware update procedures (a PDF file in five languages: Japanese, English, French, Spanish, and Simplified Chinese). Before start​ing the firmware update operations, please be sure to carefully review the instructions to confirm your understanding of the firmware update procedures. (The following is the history of past firmware updates) Firmware Version 1.1.0.0 is the first update to be released.
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