Samsung is testing One UI 5.1 software update for various eligible devices and the Galaxy S21 series users are one of them. Recently, Checkfirm has detected One UI 5.1 test build for Galaxy S21, Galaxy S21+, and Galaxy S21 Ultra users.
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For your information, the One UI 5.1 software is rapidly developing for the Galaxy S21 smartphone users living in South Korea. This is the second time when we test build is been found for the same devices and for the same country.
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One UI 5.1 will be unveiled on February 1st at the Galaxy Unpacked event and it will come pre-installed with Galaxy S23, Galaxy S23+, and Galaxy S23 Ultra smartphones. Additionally, the update will bring plenty of cosmetic and performance-related improvements.
Moving on, Checkfirm has detected the One UI 5.1 software with PDA version G991NKSU3EWA8, G996NKSU3EWA8, and G998NKSU3EWA8 for Galaxy S23, Galaxy S23+, and Galaxy S23 Ultra respectively and the CSC code mentions SKC.
However, there is no information available about the rollout date of this update, but it can be expected that the company will begin releasing the latest UI for more devices just after the unveiling of the Galaxy S23 series as the software is developing rapidly.
