Galaxy S26 beta participants have now received Beta 4 of One UI 9. This beta 4 was already live yesterday with an update size of around 1.25 GB.
All the beta-eligible regions have received the fourth One UI 9 beta software. With every new beta update, the One UI 9 development is getting closer to a stable version. However, the beta software is still only available for the Galaxy S26 series models.
The software is rolling out with the beta version ending with ZZG4. This update brings a couple of improvements and fixes.
One UI 9 Beta 4 changelog
- Improved an issue where the clock size appears abnormal when rotating the lock screen horizontally/vertically
- Improved an issue where it does not operate normally when turning ON/OFF via Quick Panel or Settings while the Privacy Display routine is running
- Improved an issue where the navigation bar disappears under certain conditions during games
- Improved Ul performance issues that occur when opening and closing the Quick Panel
- Fixed an issue where timer notification numbers are cut off or the Ul is unstable in Live notification
- Improved an issue where the “Bluetooth audio media volume” routine action does not operate normally when connecting to vehicle Bluetooth via the Routines app
Along with new changes, the latest software also ensures brand-new security patches. It adds July 2026 Android security patches to offer an optimal user experience with the new beta software.
If you are a beta participant and have not installed the One UI 9 beta 4, just go to Settings » Software Update » Download and Install.