Samsung has released the Android 16-based One UI 8 Beta 4 update (build ZYGB) for the Galaxy S25 Ultra in the US, rolling out as a substantial 1.2GB OTA package focused on critical bug fixes and performance improvements. This latest beta aims to enhance overall software stability and polish key user experience areas.
Key highlights of the One UI 8 Beta 4 update include:
- Emergency update feature for Samsung IMS Service: Users may receive a prompt requesting consent to update and restart the IMS (IP Multimedia Subsystem) service.
- Improved DeX experience: Full-screen switching support while playing videos, enabling a smoother desktop-like experience.
- Bug fixes for Galaxy AI Reply Suggestions: Operational errors in AI reply suggestions have been resolved for more reliable smart responses.
- Bixby routines enhancement: Improved loading times when running voice-triggered Bixby routines.
- Visual and UI polish: Fixed display issues in the quick launch icon area on the lock screen, making the interface cleaner and more stable.
- Gallery app fix: Resolved editing errors with iNavi dashcam videos, ensuring smoother video management.
- Fingerprint sensor reliability: The “Fingerprint sensor not responding” error on the lock screen is eliminated, enhancing biometric unlocking.
- Accessibility fix: Fixed outgoing call failures when swiping calls via Contacts with TalkBack enabled, improving inclusivity.
- Camera UI stability: Flickering of the vertical/horizontal level gauge when switching between front and rear cameras has been fixed, aiding in better framing.
- Broader software stability: Various system and app-level fixes improve overall device reliability.
This Beta 4 update underscores Samsung’s commitment to refining One UI 8 alongside Google’s pace of Android development, aiming for a stable, feature-rich experience ahead of the stable release. Users enrolled in the One UI 8 beta program for the Galaxy S25 Ultra in the US should check for update availability under Settings > Software update > Download and install.