Install OneUI 2.0 Beta Based on Android 10:
Install OneUI 2.0 Beta Through the Members App
The OneUI 2.0 update is only available to users from the following countries as of now: Germany, South Korea, United States, India, Poland, and France. So, if you are from any of these countries, follow the steps below.
1. Open the Samsung Members app on your device and you should see a “OneUI Beta Program” banner on the top. If you don’t have the Members app pre-installed on your device then get it from the Galaxy Store (Free) or Play Store (Free).
2. Tap on the banner and it should take you to the registration page. Here, enroll your device into the OneUI Beta program and shortly after that, you will receive an OTA for the OneUI 2.0 update.
3. Now download the update and install it. Following that, your device will restart and boot into the new OneUI 2.0 interface. While your data will not be erased in the process, make sure to back up your important files as a precaution.