Update (09/02/2021) After confirming that One UI will land on the Galaxy S21 lineup in September, we now have leaks that indicate that internal testing with the new version of the platform has already begun in China. Well-known leaker Ice Universe tried to release two Leaks This not only shows the OTA with the new system, but also one of the first noticeable changes to the platform: the new reload animation, as we see below. Chinese company Samsung has started the internal testing of One UI 4.0 Beta [pic.twitter.com/RXQTS8JrSX] – UniverseIce [September 1, 2021] Exclusive: This is a new One…