Samsung is moving at lightning speed with its software development, skipping the traditional wait times we usually see between major releases. While users are still eagerly awaiting the stable rollout of One UI 7, a massive leak has confirmed that the brand is already testing One UI 8.5 on its flagship tablet.
The news comes from a reliable sighting, who shared the specific build details for the Galaxy Tab S10 Ultra. This discovery highlights Samsung’s internal roadmap to bring advanced Android 16 features to its premium large-screen devices much earlier than expected in 2026.
According to the leaked data, the test build carries the version X926BXXU5CYL1 and comes in at a substantial size of 3.83 GB. Interestingly, the firmware includes a security level dated January 12, 2025, signaling that Samsung is prepping the tablet for a high-security environment alongside the new interface.
What to Expect from the One UI 8.5 Update
The One UI 8.5 update is traditionally the “refinement” phase of Samsung’s major software versions. We expect this build to introduce advanced AI multitasking features specifically designed for large screens, bridging the gap between mobile and desktop-level performance.
With One UI 7 focusing on design, One UI 8.5 is likely to prioritize seamless ecosystem connectivity and enhanced Galaxy AI capabilities. As testing continues, we expect more flagship devices to join the Galaxy Tab S10 Ultra in the internal testing phase soon.
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