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PowerShot SX740 HS Firmware Update version 1.4.3

20th November 2025

Firmware Ver1.4.3 incorporates the following fixes and enhancements:

Adds enhanced security for transferring captured images to image.canon.

1. Adds support for Battery Pack NB-15L.

2. Other improvements to system stability.

If the camera's firmware is already VersionVer1.4.3, it is not necessary to update the firmware.

The User Manual on our website has been updated accordingly. Please download the User Manual as well as the latest firmware. You can download it from the official website.

Q&A Section:
Preparations for the Firmware Update:

In the folder you downloaded are the firmware (SX740HS143.FIR / file size: 27812096 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 be sure to carefully review the instructions to confirm your understanding of the firmware update procedures.

Firmware download link:
https://www.canon.com.au/cameras/powershot-sx740-hs/support?option=drivers  

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