Galaxy S24 Ultra One UI 9 Update: Stable Android 17 Rollout Begins, Here’s What You Need to Know

Last updated: October 12, 2026

The wait for the Galaxy S24 Ultra One UI 9 update is almost over, though not for everyone yet. Samsung has begun pushing the stable Android 17-based software to its 2024 flagship, and the rollout is moving from South Korea to other regions. Sammobile

Where the Galaxy S24 Ultra One UI 9 rollout stands

The stable update first went live in Samsung’s home market of South Korea. The build for Ultra units already in the beta program is about 480MB and carries firmware version S928NKSU6EZIF. That small size makes sense, since beta users already have most of the software.

Now it’s spreading. Samsung has started a wider rollout for the S24, S24+ and S24 Ultra in Europe and India. There is a catch, though. For now the update is limited to phones enrolled in the One UI 9.0 Beta Program, with the firmware version S92xBXXU6EZIF.

If you never joined the beta, you’ll probably still see nothing. Samsung Members forum posts reflect that: users report that only beta-enrolled people are receiving One UI 9 so far.

How big will the update be?

Expect a much larger download if you’re coming from the regular One UI 8.5 build. PhoneArena says non-beta users should expect roughly 3.5 to 4GB, depending on region and device. Connect to Wi-Fi and keep the battery above 50% before you start.

PhoneArena also says the bugs reported over the past week or so don’t seem dramatic or widespread. That’s encouraging, but it isn’t a guarantee. If your phone is your daily driver, back it up first.

What’s new in One UI 9 for the Galaxy S24 Ultra

Samsung’s update is not a complete redesign. SamMobile notes that One UI 9.0 isn’t as big an upgrade as One UI 8.5, but it still brings substantial changes. The headline additions it lists are:

• Quick Panel customization, so you can arrange your shortcuts more freely
• Improved Samsung DeX and Samsung Notes
• Accessibility upgrades
• A location privacy indicator

Sammy Fans counts 14 new features, 5 changes and 10 improvements in the stable build. The full list is worth reading once the update lands on your device.

Why Samsung owes S24 owners this update

The S24 series has a longer runway than most Android phones. The line launched with Android 14 and One UI 6.1, and Samsung promised seven years of OS upgrades. One UI 9 is another step in keeping that promise. It also fits a bigger pattern. The Galaxy S24 family, Z Fold 6, Z Flip 6 and Galaxy A57 5G all received One UI 9 in the same week, after a hesitant start on the Galaxy S26 series.

How to check for the update

1. Open Settings, then Software update, then Download and install.
2. If the update is available for you, it will start downloading.
3. Install the latest security patch first if your phone prompts you. Samsung released the September 2026 security patch (build S92xBXXSHDZI1) in Europe as a preparation step for One UI 9.

If nothing shows up, don’t panic. Regional and carrier rollouts usually arrive in waves over days or weeks, and unlocked phones often get updates first. Avoid sideloading leaked firmware from forums. It can break warranty coverage and cause stability problems.

Frequently asked questions

Bottom line

For Galaxy S24 Ultra owners, the One UI 9 wait is nearly over. Beta users have it first, and everyone else should see it soon. Back up your phone, keep the Wi-Fi connection stable, and check Software update every few days. I’ll update this article as Samsung expands availability.