Samsung Rolls Out One UI 8.0 Beta 2 Update for Galaxy S25 Series: New Build ZYF3 Brings Bug Fixes & Enhancements

📱 One UI 8.0 Beta 2 Now Rolling Out for Galaxy S25 Series

Samsung has officially begun the One UI 8.0 Beta 2 rollout for its Galaxy S25 series, including the Galaxy S25, S25+, and S25 Ultra, under the build number ZYF3. This second beta release follows the initial beta made available in late May 2025 and is now being pushed as an OTA (Over-the-Air) update to registered beta testers in South Korea.

One UI 8.0 Beta 2 Update Released for Galaxy S25 Series

The latest beta aims to address user-reported issues, bring functional refinements, and polish the overall Android 16-based experience under the Samsung One UI skin.

🌐 Rollout Details: Build ZYF3 Starts in South Korea

Samsung has begun pushing the ZYF3 build exclusively in South Korea for now. As seen in prior betas, additional eligible markets such as Germany, India, the US, and the UK are expected to join in the coming days.

This Beta 2 build is part of Samsung’s broader effort to refine One UI 8.0 before its stable release, which is expected to begin later this year.

🧪 Why Beta 2 Matters: Community Feedback in Action

The One UI 8.0 Beta 2 update is based on direct feedback from Galaxy S25 users who joined the Beta Program. Samsung’s development team has taken that feedback seriously, implementing key bug fixes and enhancements that improve system stability, performance, and usability.

While not every change is explicitly listed in the changelog, users can expect a more reliable and responsive experience after installing this build.

🔁 How to Install One UI 8.0 Beta 2 on Galaxy S25

If you're part of the Samsung Beta Program, here’s how to manually check and install the new beta build:

1. Open the Settings app on your Galaxy S25, S25+, or S25 Ultra.

2. Scroll to Software update.

3. Tap Download and install.

4. If the update is available, follow the on-screen prompts.

The OTA file may take a few minutes to download depending on your internet connection and device model.

📋 Official Changelog – One UI 8.0 Beta 2 (Translated from Korean)

While the changelog may vary slightly depending on the model, here’s a translated overview of the One UI 8.0 Beta 2 improvements:

✅ Key Fixes and Improvements

• Fixed occasional crashing of the Camera app when switching modes quickly.

• Resolved touch input delays in some third-party apps.

• Optimized system animations for smoother transitions and better battery usage.

• Resolved Wi-Fi auto-disconnect issues reported in Beta 1.

• Fixed Quick Share crashes when sending large files.

• Improved Galaxy AI performance, especially in the Notes and Gallery apps.

• Battery optimization for background apps, reducing power drain.

• Addressed App Drawer flickering issues in dark mode.

• Improved gesture navigation responsiveness.

• Resolved keyboard lag during typing in multiple apps.

🛠️ Under-the-Hood Enhancements

• Enhanced RAM Plus management to allocate memory more efficiently.

• Faster app launch times, especially for Samsung native apps like Messages, Phone, and Samsung Internet.

• Improved haptic feedback across UI elements.

• Better compatibility with third-party launchers.

• Optimized Always On Display animations for better power management.

🔍 One UI 8.0: What's New in General?

One UI 8.0, based on Android 16, introduces several forward-thinking features including:

• Improved privacy dashboards.

• App pairs and multitasking refinements.

• New lock screen widgets and customization tools.

• Refined Material You theming.

• Expanded use of AI-driven performance like smart reminders, voice summaries, and AI wallpapers.

• Optimized battery usage with smarter app sleep management.

• Enhanced Device Care and Security & Privacy hub.

📈 Performance Feedback from Early Beta 2 Users

Early adopters of Beta 2 (ZYF3) report that:

• The device runs cooler, particularly during gaming.

• The camera app opens faster and takes sharper low-light shots.

• The face unlock feature is more reliable, especially in dim environments.

• There’s no significant battery drain post-installation, a common complaint with Beta 1.

• Overall, the UI feels more buttery smooth, especially when switching between apps or scrolling through menus.

🌎 Expected Expansion to Other Regions

After South Korea, Samsung is expected to expand the One UI 8.0 Beta 2 to the following countries:

• United States (likely unlocked and carrier-specific models)

• Germany (Samsung’s traditional beta test region)

• India (fast-growing flagship market)

• United Kingdom

• China

Users in these regions who’ve already enrolled in the Beta Program should keep checking their Software Update section.

🧠 Beta Tips: How to Ensure a Smooth Update

Before installing the One UI 8.0 Beta 2:

• 📦 Back up your data using Samsung Smart Switch.

• 🔋 Ensure your phone is charged above 50%.

• 📶 Connect to a strong Wi-Fi network to download the update faster.

• 💾 Keep at least 5–6GB of free storage for a smooth update process.

• 🧪 Remember: This is still beta software, so expect occasional hiccups.

🛡️ When Will the Stable One UI 8.0 Arrive?

Based on Samsung’s typical update cycle, the stable One UI 8.0 release for the Galaxy S25 series is expected to begin in Q3 2025, likely starting in August or September—just before the Galaxy Z Fold7 and Flip7 official launch.

💬 Community & Feedback Encouraged

Samsung has been emphasizing the role of the Galaxy community in shaping One UI. Beta testers can continue submitting:

• Crash reports

• Feature suggestions

• UI glitches

• Performance issues

Directly via the Samsung Members app, under Beta feedback section.

📰 Stay Updated

For real-time One UI 8.0 news, Samsung users are encouraged to follow updates on Blog and subscribe to push notifications.

📌 Final Thoughts

The One UI 8.0 Beta 2 update marks a critical step in Samsung’s journey to deliver a flawless and intelligent smartphone experience with the Galaxy S25 series. With the ZYF3 build, Samsung has already started fixing many early glitches and performance setbacks seen in Beta 1.

For users, this means a faster, more secure, and feature-rich Galaxy experience that bridges Android 16’s potential with Samsung’s ecosystem.