Firmware Version 1.0.1.0 incorporates the following fix:
Corrects the phenomenon in which the remaining battery level gradually decreases even though the battery charge is complete and the camera remains connected to a computer.
(This phenomenon does not occur when charging using the CB-2LH battery charger or the CA-DC30 compact power adapter).

How to Identify Cameras that are Subject to the Firmware Update
Please check the serial number at the back of the monitor.
This firmware update is for products with the following serial numbers.

■Affected Serial Numbers
Sixth digit from left is “1” or “0”　[*****1******]　[*****0******]

Download Firmware Version 1.0.1.0 for the PowerShot G7X Mark II.

If you have not already done so, please register the PowerShot G7X Mark II. 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