Samsung Expands One UI 9 Beta to Galaxy S25 Series

Samsung has expanded its One UI 9 beta program, based on Android 17, to its 2025 flagship smartphone lineup, including the Galaxy S25 series, marking a significant step toward the stable software release for a broader range of devices. The beta rollout, which began on September 1, 2026, follows months of testing on the newer Galaxy S26 series and signals that the final update is approaching.

The beta is now available for the Galaxy S25, Galaxy S25+, Galaxy S25 Ultra, and the Galaxy S25 FE. It is initially live in South Korea, the United Kingdom, and India, with plans to expand to the United States, Germany, and Poland in future builds. Users can enroll in the beta program through the Notices section of the Samsung Members app to receive the update over the air. The first beta build for the S25 series carries a firmware version ending in ZZHL or DZHK, is approximately 3.86 GB in size, and includes the August 2026 security patch.

This expansion coincides with the release of the eighth beta build for the Galaxy S26 Ultra in South Korea, which contains stability improvements. The ongoing beta testing for the S26 series, which began several months ago, is nearing its conclusion, with...