📝 Description
A brand-new One UI 8.5 test build for the Galaxy S25 Series has just been leaked online, revealing more progress in Samsung’s Android 16 development for its flagship lineup. The new build, CYJO, was compiled just 6 days ago, indicating that internal testing is moving at a rapid pace. Interestingly, this build has been spotted not only on the Korean test server 🇰🇷, but also on international servers 🌐, suggesting a wider testing phase.
🔍 Update details
Previous Build : CYJH
New Build : CYJO
Build Version: S938NKSU6CYJO / S938NOKR6CYJO / S938NKSU6CYJO
Build Date: October 25, 2025
One UI Version: 8.5
Android Version: 16
Security Patch Level: November 1, 2025
🌍 Rollout information
The new CYJO build is currently in testing for both South Korea 🇰🇷 and international variants 🌐. With this progress, it’s expected that the B model (global variant) may soon receive a similar test build in the coming days — another sign that the One UI 8.5 rollout for the Galaxy S25 series is getting closer.
