The Android 16-based update brings smoother performance, new customization tools, and improved privacy features to Galaxy S24, S24 Plus, and S24 Ultra users.
One UI 8 Stable Update Arrives in the US
Samsung has officially begun rolling out the One UI 8 stable update to its Galaxy S24 series in the United States. The release, based on Android 16, is currently reaching carrier-locked models and users who did not join the beta program. Wider availability, including unlocked models, is expected soon.
Software Versions and Size
The update includes the September 2025 security patch and is about 3.5GB in size, so users are advised to download it over Wi-Fi. Build numbers for the update are:
- Galaxy S24 – S921USQU4CYI9
- Galaxy S24 Plus – S926USQU4CYI9
- Galaxy S24 Ultra – S928USQU4CYI9
Key Features in One UI 8
The update delivers several new features and refinements, including:
- Faster animations and smoother overall performance.
- Fresh customization tools, including new themes, lock screen styles, and widgets.
- Enhanced privacy controls with simplified app permission management.
- Improved battery and device care tools, helping optimize performance.
- Modernized design elements, giving the UI a cleaner, more responsive feel.
How to Update
If you own a Galaxy S24, S24 Plus, or S24 Ultra in the US, you can check for the update by going to:
Settings → Software Update → Download and Install
Make sure your phone has enough storage and is charged to at least 50% before installation.
What’s Next?
While the One UI 8 stable update has just landed, Samsung is already preparing the One UI 8.5 upgrade. Test builds have surfaced for the Galaxy S24 series, hinting that another wave of features and design enhancements is in development.








