One UI 8.5 Beta 10 is out [Galaxy S25]!
One UI 8.5 has made a significant appearance, with new features and other improvements. Samsung has first unveiled One UI 8.5 on December 8th, 2025, when it was available as a beta for the Galaxy S25 series users who are living in the following countries:
- Korea
- United States of America
- United Kingdom
- India
- Poland
- Germany
During the beta program, several beta versions were released and the Galaxy S26 with One UI 8.5 was unveiled. Since then, the beta program has been expanded and the first two middle-ranger devices, which are the Galaxy A57 and A37 phones, have been released with One UI 8.5 out of the box for people who are unable to afford the premium series.
This beta version of One UI 8.5 is going to be the end of the One UI 8.5 Beta chapter, and the stable rollout of One UI 8.5 for the Galaxy S25 in Korea is expected to begin at the end of this month, with May being the stable rollout month for the rest of the countries, including USA, India, Saudi Arabia, and the UAE.
We are very thrilled to announce that Samsung has released the tenth beta version of One UI 8.5 (build ZZDD) that has the following changes:
- New features added
- Bugs that have been fixed
- Fixed an issue where the incoming call screen appears late or shows a black screen when receiving a call
- Fixed a proximity sensor error during calls
- Fixed an issue where green lines appear when recording videos in 4K HDR with the camera in certain 3rd party apps
- Improved Bluetooth crash issues
- Improved multi-touch malfunction after using accessibility magnification
- Many other improvements
Prior to this beta version, we had the following beta versions for the Galaxy S25 series (dates are for the Korean model, SM-S938N):
- One UI 8.5 Beta 1 (build ZYL8): December 8th, 2025 (article)
- One UI 8.5 Beta 2 (build ZYLH): December 22nd, 2025
- One UI 8.5 Beta 3 (build ZZA3): January 5th, 2026
- One UI 8.5 Beta 4 (build ZZAL): February 9th, 2026
- One UI 8.5 Beta 5 (build ZZAN): February 19th, 2026
- One UI 8.5 Beta 6 (build ZZAO): February 26th, 2026 (after Galaxy S26 unveil)
- One UI 8.5 Beta 7 (build ZZC7): March 12th, 2026
- One UI 8.5 Beta 8 (build ZZCD): March 26th, 2026 (expansion article)
- One UI 8.5 Beta 9 (build ZZD5): April 9th, 2026
To join the Beta Program, you must have the latest version of Samsung Members installed. You can get the latest version through either the Galaxy Store or the Play Store. Once done, you should be able to join the program if you have an eligible device. You can see the status of your joining process here.
We’ll inform you if and when the stable release of One UI 8.5 starts. After that, Samsung should reveal the information about the eligible models for the update, with expected dates in the order of months, and we’ll reveal them for the Korean models.
To obtain the update, follow these steps:
Open the Settings appNavigate to Software updateTap on Download and InstallYou should be able to see the update information.Click on Install now, let it download and install, and click on Reboot. Make sure that you download the update through Wi-Fi.This security update should take 5 to 10 minutes maximum to install once your phone reboots. Make sure that you have the phone charged fully before initiating the update process to avoid interruptions. Back up your data to your PC, the cloud, or any other device in case the update went wrong. Don’t interrupt the update process, or you’ll experience problems later.
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