Samsung expands One UI 9 rollout based on Android 17

Samsung is widening the stable One UI 9 rollout based on Android 17: after the Galaxy Z Fold8, Z Flip8 and Galaxy S26 series, the update has reached the Galaxy S25 family and 2025 foldables in several markets. Timing varies by model, region and carrier, with the S24 and S23 families expected next.

• One UI 9 debuted on Galaxy Z Fold8 Ultra, Z Fold8 and Z Flip8
• Since Sept. 16 the update reaches Galaxy S26 Ultra, S26+ and S26
• In South Korea stable One UI 9 rolled out to Galaxy S25, S25+ and S25 Ultra
• In the US One UI 9 hit Galaxy Z Fold7 and Z Flip7 on Oct. 2