Despite the official debut of the One UI 8 is provided with the folding that will be announced at Galaxy Unpacked On July 9, it seems that the owners of one of the Samsung Galaxy S25 will not have to wait long to receive the major update.

In fact, it seems that Samsung has already prepared a build of the firmware for the three smartphones that is not cataloged as a beta version but which could act as a sort of Release candidatesuggesting an imminent release.

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Samsung has already developed the one UI 8 “definitive” for the Galaxy S25

According to what was widespread in the last few hours by the colleagues of Sammobile, a build based on the Samsung servers is already present on One UI 8 (and therefore with Android 16) For Samsung Galaxy S25 Ultra which, as anticipated, is not labeled as a beta version.

The Build in question has code S938bxxu4BYfb: it is the “B” underlined the indicator of the fact that it is not a beta; Otherwise, the underlined letter would have been a “Z”. It is not said that Samsung releases this build to the public but all this could suggest the imminent official release for the current three canonical flagships (we exclude S25 Edge, inserted in the development cycle very little).

At this point, it is legitimate to hypothesize that the next version of the One UI is released on compatible devices, starting right from the Galaxy S25, immediately after the launch of the folding Samsung Galaxy Z Fold7 and Galaxy Z Flip7. The fact that there are not huge News from the One UI 7 goes to this theory.

What are the news of this Build?

The colleagues of Sammobile They also managed to get hold of this Build to install it on a Samsung Galaxy S25 Ultra, discovering that there are no new additions compared to those already emerged with the two beta but that many functions announced by Samsung have become operational.

Among these novelties, the new style for the block of the lock screen that automatically adapt to the background, the suggestions for the backgrounds taken from the images stored in the device gallery and subtitles in real time during calls are included during calls.

We will clearly return to update you when Samsung announces something about it or, less likely before 9 July, you start the rollout of the One UI 8 on the 2025 flagships.