Talk to Bixby using Voice wake-up on your Galaxy device
Download Bixby Wakeup APKs for Android - APKMirror
Galaxy S20/S20+: How to Enable/Disable Hi, Bixby Voice Wake-up - YouTube
Samsung Support - Activate Bixby using just your voice with Bixby voice wake -up. How to setup: 1. Go to Bixby home by tapping the Bixby key or swiping right on your home
How to disable Bixby on Samsung Galaxy phones - Android Authority