Samsung rolls out fifth One UI 8.5 beta as Galaxy S26 launch nears
Published: (February 19, 2026 at 05:44 AM EST)
2 min read
Source: Android Authority
Source: Android Authority
Joe Maring / Android Authority
TL;DR
- Samsung has released the fifth One UI 8.5 beta (firmware ZZAN) for the Galaxy S25 series in several global regions.
- The update includes the February 5 2026 security patch and an updated version of the Bixby assistant.
- The release arrives just weeks before the expected stable launch alongside the Galaxy S26 series.
One UI 8.5 beta 5 rollout
The Samsung Galaxy S26 series is only a few weeks away, and with it Samsung will launch One UI 8.5 in its stable form. Testing for the stable release is in full swing thanks to the One UI 8.5 betas on the Galaxy S25 series. The previous (fourth) beta introduced a new voicemail feature.
According to a report by Tarun Vats on X, One UI 8.5 beta 5 (firmware version ending in ZZAN) is currently rolling out to Galaxy S25 owners in:
- South Korea
- India
- Germany
- United Kingdom
It is expected to reach the United States soon.
Build details
- Build size: ~553 MB
- Security patch level: February 5 2026
- Changelog highlights:
- Updated Bixby version
Because this is a fresh release with a minimal changelog and a relatively small patch size, users have not reported any new visible features yet. Further updates will be provided if new functionality is discovered.