As it always been “funky” ?
A lot of ideas in this thread especialy starting on page 2. As well the support number is on the bottom of page 2.
Z-Wave drive me nuts because it could be connecting to your repeater that is somewehere else. If you have a repeater you might bring it in the same room for giggles to see if it improves.
https://community.ring.com/t5/Ring-Alarm/New-install-keypad-wont-connect/td-p/721
pressing #1 for 5 seconds apears to be the fist step