Samsung Releases One UI 9.0 Beta 2 Update for Galaxy S25 Series: What’s New?

amsung has officially kicked off the rollout of the One UI 9.0 Beta 2 update for its flagship Galaxy S25 series. Arriving shortly after the initial testing phase opened, this second beta build focuses on refining overall system performance, ironing out early software bugs, and introducing enhanced Galaxy AI capabilities to the device.

The update is initially rolling out to registered beta participants in South Korea. However, Samsung is expected to expand the OTA rollout to other supported beta regions—including the US, UK, Germany, and India—over the coming days.

Build Details & Package Overview

• Eligible Models: Samsung Galaxy S25, Galaxy S25+, and Galaxy S25 Ultra

• Firmware Version: S93xNKSUCZZI4 (ending in ZZI4)

• Download Size: Approximately 640MB (varies slightly by carrier and device model)

• Underlying OS: Android 17

Official One UI 9.0 Beta 2 Changelog

Samsung’s official release notes highlight critical bug fixes alongside subtle upgrades to system responsiveness:

• Added New AI Features: Expands upon the core Galaxy AI features introduced in Beta 1, offering faster processing for on-device natural language queries and generative tasks.

• Fixed Bixby Vision Translation Errors: Resolves unexpected application crashes and text misalignments when performing live camera image translations via Bixby Vision.

• Resolved Contacts App Crashes: Fixes temporary crashing and stuttering issues reported when searching or editing contacts.

• Improved Wi-Fi Connection Stability: Resolves sudden network drop issues on 5GHz and Wi-Fi 6E/7 bands, ensuring smoother auto-reconnection.

One UI 9 Expansion: Mid-Range Galaxy Devices Preparing for Testing

While Galaxy S25 owners are actively testing Beta 2, Samsung is already working on extending the next-generation update to its popular mid-range line-up. Internal test builds have recently surfaced on Samsung’s update servers for several upcoming and existing Galaxy A-series models.

If you are following the rollout beyond flagships, check out our detailed report on Samsung One UI 9 test builds leaked for Galaxy A55, A17, A16, and A07, which hints at an accelerated software rollout schedule across different price segments.

What to Expect Next & How to Update

Beta 2 serves primarily as a refinement build aimed at tackling user-reported issues submitted through the Samsung Members app during the initial release. The inclusion of new AI features indicates that Samsung is finalizing its full software suite ahead of the stable candidate release scheduled for later this year.

How to Install One UI 9.0 Beta 2

If your device is registered in the One UI 9 Beta Program:

1. Open Settings on your Galaxy S25.

2. Scroll down and select Software update.

3. Tap Download and install.

Note: Before installing beta firmware, back up your important data using Samsung Smart Switch or cloud backups to guard against unexpected system issues.

Stay up to date with every firmware release, feature breakdown, and rollout schedule by exploring our complete collection of One UI 9 updates, leaks, and news coverage.