Samsung Expands One UI 8 Beta Program for Galaxy S24 Series to the US – Full Details Inside

Naveen Thakur
16 Aug, 2025

Samsung has officially expanded its Android 16-based One UI 8 Beta Program for the Galaxy S24 series to the United States, making it the fourth and final market to receive the update after the UK, South Korea, and India. Just hours after opening registrations in the UK, Samsung surprised US users by allowing Galaxy S24 owners—and even the company’s latest foldables, the Galaxy Z Fold 6 and Z Flip 6—to participate in the Beta activity.

Samsung Galaxy S24 One UI 8 Beta update now available in the US with Android 16 features and Galaxy AI improvements.
Samsung Expands One UI 8 Beta Program for Galaxy S24 Series to the US

The program is already generating excitement among US Galaxy fans, but it also comes with a few important differences compared to other regions. In this blog, we will cover all details about the rollout, build numbers, supported devices, carrier restrictions, and how to enroll in the One UI 8 Beta Program in the US.

One UI 8 Beta Expands to the US

Samsung’s Beta testing approach is strategic. It starts with limited regions before gradually expanding to larger markets. The US is now the fourth country where Galaxy S24 owners can access the program.

Unlike South Korea and India, the US Beta Program is slightly restricted due to carrier involvement. Carrier-locked models may or may not receive access depending on the network operator. As of now:

  • T-Mobile has officially confirmed availability of the Beta.

  • Unlocked Galaxy S24 models (U1 variant) are eligible without restrictions.

  • Carrier-locked devices on other networks may not be able to join.

This makes the rollout slightly complicated compared to global markets, but it still provides early adopters with a chance to test Samsung’s next big software update.

Supported Devices & Build Numbers

The One UI 8 Beta Program in the US covers the full Galaxy S24 series along with Samsung’s premium foldables. Eligible devices include:

  • Galaxy S24 (SM-S921U1) → Build version: S921U1UEU4ZYH3

  • Galaxy S24+ (SM-S926U1) → Build version: S926U1UEU4ZYH3

  • Galaxy S24 Ultra (SM-S928U1) → Build version: S928U1UEU4ZYH3

  • Galaxy Z Fold 6 (eligible in the same Beta batch)

  • Galaxy Z Flip 6 (eligible in the same Beta batch)

Once registered, users will receive an OTA update for downloading and installing the firmware.

How to Enroll in the One UI 8 Beta Program (US)

Joining the Beta program is simple but requires a few careful steps. Here’s a step-by-step guide:

Step 1: Registration via Samsung Members App

  1. Open the Samsung Members app on your Galaxy S24, Z Fold 6, or Z Flip 6.

  2. Tap on the One UI Beta Program banner (available on the home screen).

  3. Select Enroll and accept the Terms & Conditions.

  4. Submit the registration form.

Step 2: Download the Update

Once enrolled, you’ll need to manually trigger the update download:

  1. Go to Settings → Software Update.

  2. Tap Download and install.

  3. Wait for the update to be downloaded and installed.

⚠️ Important: Ensure your device has at least 50% battery and is connected to a stable Wi-Fi network before installation.

One UI 8 – What’s New?

Built on Android 16, Samsung’s One UI 8 Beta comes with numerous improvements that enhance the overall Galaxy experience. Here’s a breakdown of the major updates:

1. Enhanced Galaxy AI Features

Samsung has been at the forefront of integrating AI tools, and One UI 8 pushes this even further:

  • Improved live call translation with better accuracy.

  • AI Note Assist now supports more formatting options.

  • AI Wallpaper Studio offers more creative customizations.

2. Refreshed User Interface

One UI 8 continues Samsung’s philosophy of simplicity with added polish:

  • Smoother animations and transitions.

  • Cleaner quick settings panel with easier navigation.

  • Refined app icons and widgets for a modern look.

3. Battery & Performance Optimizations

  • Enhanced power efficiency for Galaxy S24 series.

  • Adaptive battery management that learns user patterns.

  • More responsive multitasking, especially on foldable models.

4. New Privacy & Security Tools

  • Improved App Permission Manager.

  • AI-driven threat detection for malicious apps.

  • Private Sharing mode updated for better encryption.

5. Customization Options

  • Expanded lock screen widgets.

  • Dynamic wallpaper effects with Galaxy AI themes.

  • Custom vibration patterns per contact.

Beta Program Limitations

While the excitement around One UI 8 Beta is high, Samsung reminds users that this is still test software, which means:

  • Bugs and glitches are expected.

  • Some apps may crash or behave unpredictably.

  • Battery drain may be higher than usual.

  • Samsung Pay, Google Wallet, or banking apps might not work reliably.

For this reason, it’s best to avoid installing the Beta on your primary device.

Why US Expansion Matters

Samsung’s decision to bring the One UI 8 Beta to the US highlights its commitment to North American markets. The Galaxy S24 series, along with the Z Fold 6 and Z Flip 6, are flagship devices that dominate the premium segment. By allowing users in the US to test One UI 8 early, Samsung can:

  • Gather region-specific feedback from a large user base.

  • Optimize the update for US network carriers like T-Mobile and Verizon.

  • Ensure smooth rollout of the stable One UI 8 update later in 2025.

This expansion also shows Samsung’s push to compete with iOS 18 in terms of early adoption and user experience.

Comparison with Other Countries

Here’s how the US Beta differs from other regions:

Region
Availability
Notes
South Korea
Wide rollout
First country to get Beta.
India
Open to unlocked devices
Large mid-tier user base included.
UK
Recently launched
Primarily flagship models supported.
US
Limited by carriers
T-Mobile + unlocked models only.

Tips Before Installing One UI 8 Beta

  1. Backup Your Data – Use Samsung Cloud or Smart Switch.

  2. Free Up Storage – The Beta update may require 5–6 GB of free space.

  3. Charge Your Phone – Keep at least 60–70% charge.

  4. Expect Issues – As it’s Beta, don’t expect full stability.

  5. Stay Updated – Samsung will push Beta patches every 2–3 weeks.

What’s Next?

Samsung usually runs its Beta programs for 2–3 months before releasing the stable One UI update. With the US expansion now live, we can expect:

  • Regular Beta patches addressing user feedback.

  • Stable One UI 8 release by late 2025 for the Galaxy S24 series.

  • Expansion to older flagships like the Galaxy S23 and Galaxy Z Fold 5/Flip 5 in the coming months.

Conclusion

Samsung’s quiet expansion of the One UI 8 Beta Program to the US marks a significant milestone for Galaxy S24, Z Fold 6, and Z Flip 6 owners. While there are carrier restrictions in place, T-Mobile and unlocked models can now enjoy Android 16 features early. With new AI tools, UI refinements, and performance upgrades, One UI 8 promises to elevate the Galaxy experience.

If you’re in the US and own an eligible device, this is your chance to be part of the testing activity and experience Samsung’s future software before the stable rollout. Just remember: as exciting as it is, this is still Beta software—bugs, crashes, and issues are expected.

✅ Stay tuned to Ask Anything for the latest Samsung updates, Beta program news, and stable One UI 8 release details.


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