Samsung continues its extensive testing of One UI 8.5 for the Galaxy S25 series. A fresh beta build, tagged ZZB7, appeared on the company’s servers, according to tracker Alfaturk. This development suggests a sixth beta could roll out to testers as early as next month.

The beta program kicked off in early December 2025. Samsung pushed updates at steady intervals to iron out bugs and polish performance. Beta 3 stood out for its stability, showing smooth operation without major glitches, but the company pressed on with more testing.

Early February brought Beta 4, which added Direct Voicemail. This week, Beta 5 debuted an AI-enhanced Bixby voice assistant. Each build focused on refining software fluidity while addressing earlier issues.

History offers clues on what’s next. Samsung issued seven One UI 8.0 betas last year before the stable version landed. Industry watchers now expect one or two additional One UI 8.5 betas ahead of the final release.

No official timeline exists for the stable update. Patterns from prior rollouts point to a late March 2026 debut, beginning with the Galaxy S25 trio in regions like South Korea and the United States.

The program has stayed limited to the S25 lineup so far. Samsung has not expanded testing to other models, such as the Galaxy S24 series or foldables. This approach could lead to direct stable releases for those devices once the S25 testing wraps up.

Such a strategy aligns with Samsung’s reported plans. The company aims to launch next-generation foldables, including the Galaxy Z Fold 7 and Z Flip 7, with One UI 9.0 based on Android 16 in July or August 2026. A swift One UI 8.5 rollout would clear the path.

One UI 8.5 promises enhancements across eligible Galaxy phones and tablets. New tools include advanced AI integrations and smoother multitasking. Samsung lists dozens of devices for the stable version, though beta access remains S25-exclusive for now.

Testers report steady progress. Recent builds have minimized crashes and boosted battery efficiency during heavy use. Still, Samsung prioritizes thorough validation before wide release.

Owners of older flagships need not worry. Stable One UI 8.5 should arrive soon after the S25 series, according to leak trackers. The update marks the final major feature drop for some models, like the Galaxy S22 lineup.

Samsung’s deliberate pace reflects lessons from past launches. Rushed betas led to post-release patches in previous years. This time, the extra builds aim to deliver a cleaner experience from day one.

Developers and users alike await the stable version. Enrollment remains open via the Samsung Members app for eligible S25 devices in select markets.