The familiar Back button already exists on Android from the first generation that has been removed on Android Q. Photo: The Verge.
Currently, Android Q has a beta version 3. This version will soon be released by Google so that users have compatible devices to install and experience.
In addition to the Google Pixel product line, Google also supports many other devices to install Android Q beta 3. Below is a list of the first smartphones supported by Android Q beta 3 update announced by Google.
Photos: Android Authority.