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Free Standard Shipping & Handling
Offer valid November 13, 2025 at 12:00AM EST through December 31, 2025 at 11:59PM EST. Offer valid only on select products available for sale through the Canon online store. Offer not valid on bulk orders. Orders will be shipped to a street address in the 50 United States or the District of Columbia only. Free standard shipping and handling offer is a $5.99 to $15.99 Canon online store value. Offer subject to the Canon Terms of Sale. Dealers, distributors and other resellers are not eligible for this offer. Offer void where prohibited, taxed, or restricted.
Extended Returns
Purchases of eligible products made through the Canon online store only between November 3, 2025 and December 31, 2025 can be returned until January 15, 2026. Offer not valid on products that are considered final sale and/or not eligible for return. Offer subject to the Canon Return Policy.
Firmware Notice: PowerShot SX 420 IS: Firmware Version 1.1.0.0
Firmware Version 1.1.0.0 incorporates the following enhancement:
Adds enhanced security for transferring captured images to image.canon.
After July 2023, please update to this firmware version so that 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.
Firmware Version 1.1.0.0 is for cameras with firmware up to Version 1.0.0.0 If the camera's firmware is already Version 1.1.0.0, it is not necessary to update the firmware.
Support
Download Firmware Version 1.1.0.0 for the PowerShot SX 420 IS.
To help obtain optimal performance of this camera, we recommend that you download and install the most recent versions of Canon software and the PowerShot SX 420 IS Advanced User Guide (PDF).
If you have not already done so, please register the PowerShot SX 420 IS. By registering, we will be able to notify you via email about future announcements.
This information is for residents of the United States and its five territories only. If you do not reside in the USA or its five territories, please contact the Canon Customer Support Center in your region.
Thank you,
Customer Support Operations
Canon U.S.A., Inc.
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