Galaxy S21 Series One UI 4.0 Beta coming soon, release expected in September
Starting from May 2021, all the other smartphone brands like Google Pixel, OnePlus, OPPO, iQOO, and others have begun experiencing the Android
One UI 4.0
List of Samsung Galaxy devices getting One UI 4.0 update [Updated]
As per the roadmap, Samsung is spinning out the Android 11-based One UI 3.0 and One 3.1 updates to a couple of