Monday
Can’t enter serial number to install on app
Monday
The 6-character alphanumeric setup code printed on the base of the camera--not the serial number--can be used instead of scanning the QR code when installing a 2nd gen Google Nest indoor camera in the Google Home app, as shown at about 1:00 in this video:
Thursday
Can’t enter serial number in screen no way to input it
Thursday
I'm just another Google Nest customer.
I don't know how I provided a link for installing the 2nd gen indoor camera. Here's a link for installing the 2nd gen battery camera. The install instructions start at about 0:56 in the video. If you don't have the QR code, you select "Continue without scanning":
https://support.google.com/googlenest/answer/10919314
What happens when you follow those instructions in the Google Home app?