It’s been over two months since Samsung launched its One UI 9.0 beta program, but that has remained limited to the Galaxy S26 series, with no official confirmation regarding its expansion to other models. Fortunately, that’s going to change soon, as the first One UI 9.0 internal test build for the Galaxy S25 series has just been spotted on the test server.
As Tarun Vats shared, the first One UI 9.0 internal build for the Galaxy S25 Ultra carries the firmware version S938NKSUBZZG8. This build was spotted on Samsung’s Korean server, which means that Samsung could soon begin accepting beta applications in the country.
In addition to the Galaxy S25 series, the next wave of One UI 9.0 beta program expansion may include more devices, including the Galaxy Z Fold 7, Galaxy Z Flip 7, and a few mid-range A-series phones.
We expect that once the beta program reaches beyond the Galaxy S26 models, Samsung won’t take long to wrap up the beta program. A case in point is the One UI 8.5 beta program, which remained limited to the Galaxy S25 series for months, but when the expansion began, the pace was just impressive. We might see a similar rollout pattern with One UI 9.0 beta.
As for the stable version, it debuted on the newest Galaxy foldables earlier this week. However, there’s currently no specific rollout timeline for older Galaxy devices. Some leaks say the One UI 9.0 update may start rolling out in September 2026. We hope to hear an announcement on the same very soon, and will let you know on this blog.
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