Xfinity WiFi hotspot connection is intermittent - view Xfinity WiFi certificates and configuration profiles on my iPhone

I have the Xfinity app installed on my iPhone.  Xfinity WiFi hotspots used to work great, but now the connections are intermittent. Sometimes hotspots connect, other times they don't or sometimes they drop after connected.

It seems odd because while my iPhone has connection issues, my work laptop connects just fine to the same Wi-Fi hotspot. Also my iPhone works perfectly when connected to other WiFi's.

I noticed that the xfinty-hotspot-app was installed on my iPhone, so I uninstalled it as directed by Xfinity information I found online. I only have the Xfinity app installed now.

I've been reading that this could be related to the Xfinity WiFi certificates and configuration profiles that where supposed to be installed when I installed the xfinity app.

I tried to view my Xfinity WiFi certificates and configuration profiles on my iPhone using these directions:
  - Once installed, your Xfinity WiFi certificates and configuration profiles are stored securely in your iOS settings:
  - Open your iPhone Settings. Tap General.
  - Scroll down and tap VPN & Device Management.
  - Under the Configuration Profiles section, you will see the Xfinity WiFiProfile. You can tap on it to view the specific certificate details and expiration date.
But I don't see a Xfinity WiFiProfile in VPN & Device Management on my iPhone.

1. How do I view my Xfinity WiFi certificates and configuration profiles on my iPhone and how do I update them?

2. Is there something else that could be causing this?

Thanks!