The One UI 3.0 update for Galaxy A51 5G comes with software version A516USQU4CUA7. In addition to the One UI 3.0, the update also installs the latest Android monthly security patch. Talking about the changes, Android 11 brings features like chat bubbles, dedicated media playback widget, a separate conversation area, and security improvements like one-time permission. On top of this, Samsung’s One UI 3.0 skin brings an improved User interface, fast widget access, and bubble support. The update should hit your smartphone with a pop-up notification. You can check for the latest updates manually by navigating to Settings -> Software update and then tap on Download and install.