edit wifi settings in Xfinity app is NOT accessible

The new popup window for  "WiFi details" in the Xfinity app  fills up my smaller phone. I can see Share in the purple box at the bottom of the screen. I have since learned I use my finger to pull up that window and see "Edit WiFi settings >". However, I cannot click on it. Consequently, I cannot change my WiFi settings via the Xfinity app.  I created  case number [Edited: "Personal Information"] with Xfinity, but I haven't heard anything back. I understand they are trying to make it easier for a guest to access your wifi. That's great, select 2.4 or 5 Ghz, scan the QRcode and they are connected. But it's a MAJOR PROBLEM if I cannot change my WiFi setting via the Xfinity app. I don't want to have to sign into my Xfinity account to change my WiFi. THAT DEFEATS THE PURPOSE OF THE XFINITY APP!!  Xfinity programmers need to make the QRcode smaller or move the "Edit WiFi settings >"  above "Share"!