The update, build CZDP, has debuted in South Korea for the Galaxy S25, S25+ and S25 Ultra, with a wider rollout to other regions expected soon.
Based on Android 16 QPR2, it adds a redesigned interface, more customization and new AI tools including Call Screening, real-time Audio Eraser and Creative Studio.
Samsung ended an unusually long beta programme that began in December 2025 and ran for 10 builds over five months before the stable release.
How will Samsung's hybrid AI approach and phased update rollout affect global user satisfaction and the competitive landscape in 2026?
Will the new AI features in One UI 8.5 actually improve daily use, or will they create new privacy and performance concerns for Galaxy S25 owners?