Here is good news for Samsung Galaxy S9 and S9 Plus users who lives in UK, Spain, and France. Samsung has now started rolling out Samsung One UI Beta update, based on Android 9.0 Pie. The One UI Beta program has already started in the US, Germany, and Korea.
It has a big size, it is 1724.27MB. The Software version is G960FXXU2ZRKL and G965FXXU2ZRKL for the Galaxy S9 and S9+ respectively.
If you haven’t rolled into the One UI beta program yet, you’ll have to do so in the Samsung Members/Samsung+ app, where you should see an option for enrolling in the beta program after tapping the “Notices” button. Afterwards, you can download the newest Android Pie build by going into Settings > Software updates and tapping on “Download updates manually. This will allow the software to update and load the beta version.