The second phase rollout of Android 9.0 Pie beta is started and Samsung is now rolling a second update to Galaxy S9 and S9+’s One UI beta users that fixes several bugs and bring features improvements.
As the first recipient of the One UI beta test, the update is currently rolling out in the US on T-Mobile with build version G960/G965USQU3ZKRJ and in Germany G960/G965FXXU2ZRKL, it is also possible that beta testers in South Korea will also receive this update.
Although, The update that’s rolling out on US carriers and Germany are different from each other because of the number of bug fixes and improvement shown in the changelog are not the same.
If you have installed the beta build on your S9/S9+, you can check for the update manually by heading into the Settings > Software updates > Download updates manually. This will allow the software to update and load the beta version.