In the second screenshot of the "modify system settings", when it is flipped on the "verifying account" message that appears when opening the app then no longer pops up. When the switch is flipped back off the "verifying account" message pops back up when opening the app.
Glad it worked for everyone else, unfortunately it did not work for me. Followed the instructions, downloaded that required Sprint hub app but still not working.
I will add thought. The app didn't start to work until after the Android 10 upgrade and possibly the hub install. Not sure at which point after the upgrade since multiple things installed after the OS update. I don't get status bar VM icon as we did in other handsets.
I also received the message after the Android 10 upgrade to install Sprint Hub. I did. The visual voicemail app still did not work.