Samsung's been promising the imminent arrival of the Android 12-based One UI 4.0 beta program for over a month now, and the moment of truth has finally arrived. As you probably already heard, the first One UI 4.0 beta build is now live for the Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra in select […] The post Stable Galaxy S21 One UI 4.0 update will be out by end of 2021 appeared first on SamMobile.