May have messed up and need to rebuild

iPhone 15 PM with iOS 27.0.1. Have been experimenting with NextDNS, and installed a profile via iOS VPN & Device Management. That worked, but I decided not to go with NextDNS, so I uninstalled the profile.

Now I’m seeing constant issues where the phone says that my home network is not connected to the internet, and switches to cellular service. It will recover from that, then failover to cellular service. Rebooting the phone did not change this.

I’m assuming that my next move would be a factory reset and restore? Or is there something less drastic to try?