Introduced in 2016 to compete with FaceTime and WhatsApp, Google Duo was replaced with Google Meet in 2022. Duo was noted for its simplicity and automatic switching between cellular and Wi-Fi.

or Google Play (Android). Click "Next" after you have the Duo Mobile App installed on your device. 7. Once you have installed the Duo app on your smartphone, open the app and activate it by following ...

or Google Play (Android). Click "Next" after you have the Duo Mobile App installed on your device. 7. Once you have installed the Duo app on your smartphone, open the app and activate it by following ...