Hi @ChantayLat,
Greetings from the Roku Community!
We understand your Roku wireless doorbell is not connecting to your Roku smart home app. We're happy to assist you further. Please try to uninstall the Roku smart home app, and re-install back again.
Let us know how it works, and we'll continue to assist you further.
Kind regards,
John
John
Roku Community Moderator