Full Breakdown
Samsung Expands One UI 9 (Android 17) Rollout Across 2024 Flagships and Mid-Range Devices
By Drooid · · How we work
Core Event: Global Deployment of One UI 9
Samsung’s stable One UI 9 update, built on Android 17, began leaving South Korea on October 6 for the Galaxy S24 series. The international rollout started on October 12, reaching the S24, S24+, S24 Ultra, S24 FE, and the mid-range Galaxy A57 in Thailand, Indonesia and other markets. By October 13, the update was also being distributed in the United States to AT&T and T-Mobile customers, as well as to unlocked owners of the Galaxy Z Fold 6 and Z Flip 6. Tracker Tarun Vats confirmed that “global rollout has truly started,” adding that carriers and regions receive the update in waves.
Background & Context
One UI 9 follows the September 5, 2026 security patch and is Samsung’s fourth major Android upgrade for the 2023-2024 flagship line-up. The rollout now spans three generations—S26, S25 and S24—within weeks of the initial release.
Timeline
- October 6 – Stable build released in South Korea for the S24 series.
- October 12 – International rollout begins for S24 series and Galaxy A57.
- October 13 – U.S. carriers (AT&T, T-Mobile) receive the update for S24 series and foldables; beta builds for Galaxy A15 5G released in India.
- October 14 – Stable One UI 9 reaches the Galaxy S23 series in South Korea (beta) and is expected to expand globally in the following days.
Data & Statistics
- Update package sizes range from roughly 3 GB for devices upgrading from One UI 8.5 to nearly 4 GB for the S24 series; beta builds for the Galaxy A15 5G are about 335 MB.
- The September 5, 2026 security patch addresses 76 security vulnerabilities.
- Firmware version strings identify the build per device: S24 series end in EZIF, unlocked Z Fold 6 in F956U1UEU4EZIH, unlocked Z Flip 6 in F741U1UEU4EZIH, and the A57 in BZIE.
Official Statements & Responses
Samsung, via tracker Tarun Vats, said the rollout will continue to expand to additional carriers and regions, with foldable devices in India slated for a stable release soon. Samsung acknowledged an XML error affecting some A57 units and suggested a Safe-Mode workaround. For the Galaxy A15 5G beta, the changelog notes that a restart-loop bug was fixed in the third beta build.
On-the-Ground Reports
Reddit users in Italy, Germany and India reported receiving the One UI 9 download, while some U.S. owners noted that the update initially appeared only on carrier-locked phones. A user identified as FragmentedChicken confirmed that One UI 9 restores the DeX taskbar auto-hide option on tablets, a feature lost in Android 16’s desktop mode. Community members also shared the Safe-Mode method to bypass the A57 XML error, reporting mixed success.
Conflicting Reports & Gaps
Sources differ on the availability of the update for unlocked U.S. devices; Samsung has not clarified. The exact timeline for the Galaxy A54’s One UI 9 rollout remains unconfirmed, though Samsung hinted at an early-November launch.
What’s Next
Samsung has signaled upcoming stable releases for the Galaxy Z Fold 6 and Z Flip 6 in India and broader markets. The company also plans to continue rolling out One UI 9 to additional models, including the Galaxy A54, though dates remain pending. Users should monitor Settings -> Software update and ensure a Wi-Fi connection before downloading the multi-gigabyte packages.
