Open the Duo app or Google Meet app if Duo has been merged on your device
Sign in with your Google account
Allow access to your camera and microphone
Tap the contact or search for the person you want to call
Tap the video call or voice call button
Wait for the other person to answer
Use the on-screen controls to mute, turn off video, or switch cameras
Tap end call when finished
To send a message, open the chat option and type your text
To make a group call, create or join a group and start the call
To change settings, open the app menu and adjust notifications, privacy, or call preferences