Galaxy S25 Series Receives 10th One UI 8.5 Beta Update

The "never-ending" beta cycle for the Galaxy S25 series has finally reached a double-digit milestone. Samsung just pushed One UI 8.5 Beta 10 (firmware version ZZDD), and while it feels like we’ve been here forever, this really does look like the final stop before the stable finish line.

*this image is generated using AI for illustrative purposes only.

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It has been a marathon, not a sprint. Samsung has officially released the tenth beta for the One UI 8.5 program, targeting the Galaxy S25, S25+, and S25 Ultra. While some users are losing patience with the long testing period, this update brings a heavy dose of polish and a clear signal that the stable release is just days away.

What’s New in Beta 10?

Clocking in at approximately 915 MB, this build (ending in ZZDD) isn't just about small tweaks. It actually backports several "flagship" AI features that recently debuted on the Galaxy S26 series:

·       Creative Studio: An evolution of Drawing Assist that makes on-device content creation much more intuitive.

·       AI Call Screening: A smarter way to handle unknown callers, where the AI can respond on your behalf.

·       Enhanced Audio Eraser: More precise control over removing background noise from your videos.

·       Stability Fixes: The "Green Line" camera bug and those frustrating Bluetooth crashes have finally been addressed.

Why So Many Betas?

There are a few reasons behind the extended testing cycle:

·       Complex AI integration: New AI-driven features require deeper testing

·       Device optimization: Ensuring smooth performance across all S25 variants

·       User feedback loop: Samsung is actively incorporating beta tester feedback

·       Android base improvements: Aligning with the latest Android version changes

In short, Samsung is playing it safe—prioritizing stability over speed.

The Big Question: When is the Stable Release?

The community is asking: "When will it end?" According to the latest leaks from Samsung’s home market and support channels, the schedule is finally locked in:

·       South Korea: April 30, 2026

·       Global / US Rollout: May 4, 2026

Why the 10th Beta?

Samsung is clearly prioritizing stability over speed this time around. With One UI 8.5 acting as a massive "mid-cycle" refresh rather than a minor update, the company wanted to ensure that the transition from Beta to Stable is seamless—especially for the Galaxy S25 series, which remains a primary daily driver for millions.

How to get it: If you are already in the Beta program, head to Settings > Software Update > Download and Install. If you aren't, it’s probably best to wait the remaining 10 days for the official stable build!

The tenth beta for the Galaxy S25 series highlights Samsung’s commitment to delivering a polished user experience—but it also tests the patience of its most loyal users.

At this point, the finish line feels close. The real question is whether Samsung will stop at ten—or push things even further in pursuit of perfection.

Samsung Galaxy ​S25 Ultra 5G 2025 (International Version)