While Samsung continues to fine-tune One UI 8.5 for its latest flagships, it has also begun development of the next-gen software. Recent reports show the first internal builds of One UI 9 have appeared on the Galaxy S26 Ultra.
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The tipster shared the version (S948BXXU1BZC5/S948BOXM1BZC5/ S948BXXU1BZC5). But the leak doesn't just come from Tarun Vats.
SamMobile has also spotted this initial test build and further emphasized the size of this update is about 2.6GB. The outlet has even managed to download the update on a Galaxy S26 Ultra and shared early snapshots.
SamMobile shares early screenshots of One UI 9. | Image by SamMobile
The Galaxy S26 lineup debuted with a stable version of One UI 8.5. However, leaks regarding possible new features in One UI 9 have been making headlines even before the S26 announcement.
Are you looking forward to One UI 9?
33 Votes
Not at all. I'm happy with my current One UI version.
12.12%
Very excited! Can't wait to try it out.
39.39%
I'll wait for a stable release.
45.45%
I'd try to download this test version immediately.
3.03%
Among the highlights we expect to see with the next software version is an integrated "Ask AI" button, which could be integrated within the Samsung Internet Browser.
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No One UI 9 for the average user... yet
The first test version of One UI 9 might have appeared on internal Samsung servers, but does this mean users worldwide can now download the update and enjoy the latest Galaxy software? Nope.
The Galaxy S26 Ultra runs on One UI 8.5 for now. | Image by PhoneArena
In fact, it'll be quite some time before a stable version is released for users. If the South Korean tech giant keeps its usual software release timetable, One UI 9 debuts alongside Samsung's next-gen foldable phones, the Galaxy Z Fold 8 and Galaxy Z Flip 8.
How important is the latest software version?
For the average user, a new software update is just what it is. I won't lie that some of these rumored One UI 9 extras, like deeper AI integration, sound exciting. But should you really rush to dig through internal servers and try to download the first One UI 9 build right away?
To me, getting a stable and reliable experience is far better than chasing the first test build. I mean, let's face it: since Samsung hasn't launched this test version publicly, it's highly likely plagued with bugs (as often happens with initial software versions that are just now starting development). I'd rather wait for a more stable release and check out the new "Ask AI" button when the time comes.
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Polina Kovalakova, a News and Affiliate Content Writer, has nurtured a passion for mobile technology since the era before smartphones. With a history of exploring a variety of devices, her insights into the mobile world are both broad and nuanced. Polina's non-partisan view extends to appreciating nearly every smartphone brand, a reflection of her open-minded approach to technology. Polina is equally passionate about uncovering the best online deals, tirelessly working to ensure her readers snag top-tier tech at unbeatable prices.
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