Last year, the South Korean tech giant Samsung started rolling out the One UI 8.5 beta update for the Galaxy S25 series, and it was said that soon other Galaxy smartphones would also be receiving the beta update. Well, the company has finally started rolling out the beta update for the Galaxy S23 series in India and Korea.
Galaxy S23 Series: One UI 8.5 Beta Program
Tipster @tarunvats33 has revealed that the One UI 8.5 beta program has been made live in India for the Galaxy S23 smartphone with build version: S911BXXU9ZZD5/ S911BOXM9ZZD5/ S911BXXU9FZD5. The size of this update is 4165.11MB and comes with the April 2026 security patch.
Breaking news!
The One UI 8.5 Beta Program goes live in India for the Galaxy S23.
Build Version: S911BXXU9ZZD5 / S911BOXM9ZZD5 / S911BXXU9FZD5
Repost pic.twitter.com/BH0psp82Zl
— Tarun Vats (@tarunvats33) April 9, 2026
Further, the tipster has revealed that the update is made available for the Galaxy S23 Ultra device in Korea with build version: S918NKSU7ZZD5/ S918NOKR7ZZD5/ S918NKSU7FZDI. The size of this update is 4122.41MB.
The One UI 8.5 Beta Program also goes live in Korea for the Galaxy S23 Series. https://t.co/I0x3teG9d2 pic.twitter.com/nK01pyf3Xk
— Tarun Vats (@tarunvats33) April 9, 2026
How to sign up for the One UI 8.5 Beta program?
Don’t install beta software on your primary phone. Beta builds can be unstable, and there’s always a chance of data loss.
Here’s how to join the beta:
- Open the Samsung Members app.
- Log in using your Samsung Account.
- Look for the One UI 8.5 beta banner on the homepage.
- Tap it and enrol by agreeing to the terms.
- Finally, head to Settings > Software update and download the update.
