Second One UI 8.5 beta for Galaxy S25, S25+ and S25 Ultra is out

Samsung has released a new One UI 8.5 beta update for the Galaxy S25, S25+, and S25 Ultra. This marks the second beta release for the Galaxy S25 lineup since the One UI 8.5 beta program officially kicked off on December 8. This is the same update that was released in India and Poland today.

The second One UI 8.5 beta update for the Galaxy S25 series comes with firmware version ending ZYLH and has a download size of around 1.1GB. It brings several bug fixes, performance improvements, and better reliability to those who installed the first beta update in South Korea. This update will shortly be released in Germany, the UK, and the USA, and you can check its detailed changelog by clicking here.

Those who are on the beta can download the updated version from their phone's Settings > Software update menu.

Here's the full changelog for the update:

Improved the issue of quick panel settings initializing intermittently when booting.

Improved errors such as quick panel menu screen icon spacing and location.

Improved the issue of photos organized into gallery group folders being moved to the first album page.

Improved the stuttering issue when pressing the “More View” menu during a call.

Improved the intermittent rebooting issue.

Improved the issue where the volume up button does not work under certain conditions.

Improved the issue of sound generation in the device when making a call with a Bluetooth car kit connection under certain conditions.

Improved issues where multiple third-party apps are forcibly terminated while in use.

Stabilized software through multiple app updates, such as the camera.

Samsung could release at least four One UI 8.5 beta updates before releasing the stable version sometime in early 2026. The Galaxy S26 series will be the first to run One UI 8.5 out of the box, and phones in that lineup will have some exclusive features that won't be released for older devices.

samsung galaxy s25 ultra one ui 8.5 beta 2 update changelog south korea

samsung galaxy s25 ultra one ui 8.5 beta 2 update changelog firmware version south korea

Abhijeet Mishra - Editor-in-Chief

[email protected]

First Samsung device: SGH-D500

Abhijeet's writing career started with guides for custom firmware for Samsung devices (including the original Galaxy S), and he moved to SamMobile in mid-2013 and worked up the ranks to Editor-in-chief. In addition to phones and mobile devices, his interests include gaming on both PC and console, PC hardware, and spending countless hours on YouTube watching videos on tech, movies, games, politics, and internet dramas.

Firmware Phone Galaxy S25 Galaxy S25 Plus Galaxy S25 Ultra One UI 8.5

New One UI 8.5 beta for the Galaxy S25 lineup is out!

Abhijeet Mishra - Editor-in-Chief

[email protected]

First Samsung device: SGH-D500