Samsung has begun developing One UI 9.5 and has started work on the update for the Galaxy S25 series, even though the company has not yet completed the rollout of One UI 9.0 (Android 17) to all eligible devices.
The brand appears to be in the advanced stages of developing its next interface, One UI 9.5, and has now started preparing the new software specifically for the Galaxy S25 series.
One UI 9.5 development status
One UI 9.5 is the next iteration following One UI 9.0 (Android 17). While One UI 9.0’s rollout remains unfinished across eligible devices, Samsung appears to be progressing with development of One UI 9.5 and has initiated work for the Galaxy S25 series.

