Thank you for using Canon products.
Canon has released a firmware update for the PowerShot S100.
Firmware Version 220.127.116.11 incorporates the following fixes and improvements:
Fixes a phenomenon where the image flickers when shooting movies of a subject
with an ISO speed of ISO 200 to ISO 400.
*This phenomenon only occurs in Standard mode (with Full HD image quality selected) and Super Slow Motion Movie mode (240 fps / 120 fps). This phenomenon does not occur in other movie modes or when shooting still images.
Firmware Version 18.104.22.168 is for cameras with firmware up to Version 22.214.171.124. If the camera's firmware is already Version 126.96.36.199, it is not necessary to update the firmware.Please note that, once the camera is updated to the latest version, it cannot be restored to a previous version.
The new Firmware Version 188.8.131.52 can be downloaded by clicking here.
How to Identify Cameras eligible for the Firmware Update:
Please check the serial number on the bottom of the camera.
This firmware update is for products with the following serial numbers.
Products with "0" in the sixth digit from the left [*****0******]
Among the products with "0" listed in the sixth digit from the left in the serial number, the ones with a black marking inside the battery cover already have the updated firmware, so this update does not apply to those products. These products can be used as is.
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 register your PowerShot S100. By registering, we will be able to notify you via email when future firmware updates become available for download. If you already registered, please ensure you are opted-in to receive the notification.
Customer Support Operations
Canon U.S.A., Inc
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