Samsung appears to be internally testing its next major mobile operating system, One UI 8 for various Galaxy devices for quite some time now. With One UI 8 Beta 3 already available for the Galaxy S25 series, more Galaxy devices have just surfaced running the latest build internally.
According to the recent spotting via X (source 1, source 2), two of Samsung’s A series models, the Galaxy A16 and Galaxy A15 have just surfaced running One UI 8 internal test build for the first time. This eventually suggests that Samsung has already started developing One UI 8 for these budget-based devices.
At the same time, in previous days several Galaxy devices have made their appearance on One UI 8 internal test servers, including the Galaxy S24 series, S23 lineup, Galaxy Z Fold 5, Galaxy S22 series, Tab S10 series, Galaxy A55 and Galaxy S25 Edge. This list has been joined by the Galaxy A15 and Galaxy A16 devices, suggesting that Samsung is progressing smoothly with One UI 8.
Beyond this, Samsung is constantly working on One UI 8 which will run Android 16 on top, at the same time, the latest build is supposed to combine some essential capabilities of Google Android 16, while also integrating several other significant One UI customizations to offer next level user experience.
As of now, Samsung is progressing with two of its major OS updates, One UI 8 Beta on one hand, while One UI 8 Watch Beta on the other. Well, it’s supposed that Samsung’s One UI 8 will shortly enter into its stability stage, as the latest Android 16-based build is running on the right track, at least for now.
