Samsung Expands Stable One UI 9 Rollout to Galaxy S25, Z Fold 7, and Z Flip 7
Samsung has officially begun rolling out the stable build of One UI 9 (powered by Android 17) to its 2025 flagship devices. The latest update extends beyond the initial Galaxy S26 release, reaching the Galaxy S25 series, the Galaxy Z Fold 7, and the Galaxy Z Flip 7.
Phase One: South Korea Release
The deployment kicked off in Samsung’s home market of South Korea:
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Beta Testers: Users who participated in the One UI 9 beta program are seeing a light update package—weighing around 534.56 MB for the Galaxy Z Fold 7 (firmware version
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Non-Beta Users: Devices updating directly from One UI 8.5 receive a full system upgrade download (roughly 3.8 GB to 3.9 GB).
What to Expect Next
While South Korean users are receiving notifications first, Samsung is expected to expand the rollout across North America, Europe, and Asia.
How to Check manually
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Open Settings on your Galaxy device.
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Scroll down and tap Software update.
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Select Download and install.