CJT wrote:

I had no trouble installing mine, but when my neighbor tried, she
couldn't make it work. She and I spent some time talking to a very
pleasant young lady in India before we got our first connection. I'm
not sure they're all as good as the one who answered our call.

No, unfortunately they aren't. In my experience your odds of getting a
competent tech at an India call center is perhaps 10% at best. Not that
competent techs don't exist in India, more the competent techs in India
mostly don't work support call centers.