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I'm looking for a solution that does not include replacing a perfectly good smartphone. It looks like a recent update to the Cox Panoramic WiFi Application is no longer compatible with many smartphones out there, including mine of course. This post as of January 24, 2021, so I'd say the stunt happened within a few days before that date. I enjoyed the convenience of making adjustments to my home network remotely. Now that has been summarily taken away. Sorry if I don't appreciate that.
Have you tried uninstalling and reinstalling the app?
Yes. The reinstall didn't happen because Google Play Store does not have a version to push down compatible with my device.