The One UI 3.1 update for Galaxy S10+ carries firmware version G975USQU5GUCG. This is a major update and costs about 2GB of internet data. So, it is recommended to download the package over a Wi-Fi connection. One UI 3.1 is a minor increment to the One UI 3.1 that allows users to remove location data from images before sharing and allows users to blur the background in video calls made with apps like Google Duo. If you’re a T-Mobile’s Galaxy S10 Plus user and have not received the One UI 3.1 update yet then manually check the status by navigating to Settings » Software updates. [source]
