What is the version number of the app you downloaded?
Wyze app Home > Account > About
The current Android WyzeBeta app is v2.20.3.
Once you have the latest beta app installed, add the vacuum project to your testing list. Go to:
Wyze app Home > Account > About > Beta Program > Edit > Wyze Robot Vacuum (check the checkbox) > Save
Vacuum beta firmware 1.6.126 should be available at:
Wyze app Home > Account > Firmware Update
and
Wyze app Home > your Vacuum > Settings (gear icon upper right) > Device Info > Firmware Version