# Galaxy S26 Series Receives Fourth One UI 9 Beta Update Includes July security patches and performance improvements. - **Source:** [Android Authority](https://brifing.si/source/01374d39-7ab2-4795-8e0a-444a0e7b4327) - **Published:** 2026-07-14 - **Original article:** - **On Brifing:** https://brifing.si/s/2fa15a09-444b-4f6b-a9b9-b5c5a1e3bc25 ## One UI 9 Beta Update Samsung has released the fourth beta version of One UI 9 for the Galaxy S26 series. This update includes July security patches and performance improvements. Users can expect a smoother user experience and bug fixes. ## Update Details The 1,250MB update comes with firmware version ZZG4. It addresses issues such as abnormal lock screen clock sizes, missing navigation bars during gaming, and cut-off timer notifications. ## Released Countries The update is currently available in Germany, India, Poland, the UK, and South Korea. It will soon be rolled out to users in the US as well. ## Performance Improvements One UI 9 beta 4 aims to make the user interface smoother and eliminate system bugs. This is seen as a significant step before the final stable release. ## Based on Android 17 This update is based on the Android 17 operating system. Users will encounter new features and enhanced security measures. ## Expectation for Final Stable Release Samsung plans to release the final stable version of One UI 9 later this year. Beta versions play a crucial role in this process. ## Sources covering this story - https://www.androidauthority.com/samsung-galaxy-s26-one-ui-9-beta-4-3687144/ — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._