Samsung is preparing to roll out its biggest software update of the year — One UI 8 based on Android 16. According to a trusted leak, the Samsung One UI 8 release schedule has been revealed, showing which Galaxy phones, tablets, and watches will receive the update and when. The One UI 8 rollout schedule is planned to begin in September 2025, first reaching the Galaxy S25 lineup before expanding to foldables, mid-rangers, and wearables.
One UI 8 Release Date – September 2025
The leaked One UI 8 release date is set for September 18, 2025, starting with the Samsung Galaxy S25, S25+, and S25 Ultra. Just a week later, on September 25, the rollout will extend to the Samsung Galaxy S25 Edge and the entire Galaxy S24 lineup, which includes the S24 Ultra, S24 Plus update, and the S24 FE edition. Alongside these flagships, some mid-range models like the Galaxy A56 5G and Galaxy A36 5G will also be upgraded in the same phase. For users asking, When will One UI 8 come out on S24 Ultra?” — the answer is clear: the update is expected in late September 2025.
One UI 8 Release Roadmap – October 2025
The One UI 8 release roadmap shows that October will be the busiest month for Samsung users. Starting on October 1, the update will arrive on the Galaxy Tab S10+, Tab S10 Ultra, and most Galaxy Watch 6 series models. By October 2, the Galaxy S23 series will be covered, along with foldable devices like the Galaxy Z Fold 6 and Galaxy Z Flip 6.
In mid-October, the rollout will continue with older flagships such as the Galaxy S22 series, Z Fold 4, and Z Flip 4, as well as mid-range phones like the Galaxy A55 5G and the much-anticipated One UI 8 A52s update. Tablets including the Galaxy Tab S10 FE and Tab S9 lineup will also receive the update during this time. By late October, devices in the Galaxy A33 to A53 series will complete this phase of the rollout.
November 2025 – Final Wave of Updates
The last wave of the Samsung One UI 8 rollout schedule will begin in early November. By November 5, the Galaxy Watch 5 series and the Galaxy Tab A9 will receive the Android 16 update. From November 7 to 10, rugged devices such as the Galaxy Tab Active 5 Pro 5G and the Galaxy XCover 7 Pro will also join the list. This marks the completion of Samsung’s phased rollout, covering nearly every major Galaxy device.
Samsung’s One UI 8 Rollout Schedule: Key Takeaways
The Samsung One UI 8 rollout September 2025 will begin with the latest flagships and quickly expand to mid-range and rugged devices. The leak confirms that Samsung’s One UI 8 update schedule leaked for Galaxy phones and watches is accurate for Asia, though timelines may vary in other regions. Popular devices like the Samsung Galaxy S25, S25 Edge, S24 Plus update, and the A52s update are all included. Users should back up their data and prepare for the Samsung One UI 8 (Android 16) rollout schedule that has been leaked online.
Conclusion
In summary, “Samsung’s One UI 8 rollout dates have been leaked online”, giving users a clear idea of when to expect Android 16 on their Galaxy devices. Starting in September 2025 and finishing by November 2025, nearly every flagship, foldable, tablet, and smartwatch will be upgraded. Whether you own the Samsung Galaxy S25 Ultra, S25 Edge, S24 Ultra, or Galaxy A52s, the wait is almost over. The One UI 8 release schedule confirms that Samsung is preparing one of its fastest and widest rollouts ever, making this the most significant update for Galaxy users in 2025.
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