Samsung has begun rolling out the One UI 9 Beta 4 update to the Galaxy S26 series. This is one of the company’s most awaited Beta updates this year. Engineers spent double the usual time to shape this update, which weighs no less than 1.25GB.

Starting in India, the One UI 9 Beta 4 update has expanded to European markets, including Germany, Poland, and the UK. Beta participants in South Korea have also started to receive the latest software update gradually.

Samsung recently started July patch’s rollout to Galaxy S26 series. That said, the fourth Beta also carries the latest security patches along. This will ensure the most optimal user experience along with the newest security patch.

One UI 9 Beta 4 rollout in the US?

If you are in the US, the Beta 4 update should already be there. It comes with a build version ending with ZZG4 for the S26, S26+, and S26 Ultra. Navigate to Settings > Software update > Download and install for a quick check.

Samsung has fixed several usability issues in the latest update. The patch resolves an abnormal lock screen clock size when rotating the device, Privacy Display toggle conflicts, disappearing navigation bar during games, Quick Panel performance hiccups, timer notification UI glitches, and a Routines bug that prevented Bluetooth media volume actions from working properly with vehicle Bluetooth connections.

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Samsung Galaxy S26 users will receive the One UI 9 Beta 4 update next week, and it will be an important step. The next release is significant in many ways, including the potential to hit the “platform stability” milestone.

Galaxy S26 users, who joined the Beta Program in May 2026, are closely watching the One UI 9 developments. The rollout of the fourth Beta update will bring a boost to the pace of testing and pave the way for future expansion.

Why do Galaxy S26 users see One UI 9 Beta 4 as an important step?

Samsung has made us think more and more about the next Beta. The first Beta landed upon initial signup in early May 2026. The same month welcomed the second Beta update, and June witnessed the rollout of the third build.

Extended testing period

We anticipated the Beta 4 to arrive by June 30, but it didn’t. Instead, Samsung confirmed earlier this week that the rollout is expected in the next week, starting on July 13.

The company maintained a gap of around two weeks in each Beta rollout. Beta 2 and Beta 3 took approx 15 days to arrive after the rollout of the earlier Beta. Meanwhile, Samsung has stretched the testing of the Beta 4 update.

Samsung’s stability push

Korean community moderator stated that the team will “do our [its] best to release a stable version.” It sounds like a usual statement, but hides the sentiments of the testing team, who is assigned the task to achieve stability.

Near-official release

Another big reason is the timing of the Beta 4 update’s rollout. The build is landing just a week before the company introduces the official One UI 9 version.

The new foldable phones will ship with the Android 17-based One UI 9 official version. Beta testing will continue, but the next versions will approach the Public/Stable rollout.

• How to watch July 22 Unpacked where One UI 9 will be introduced

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