Samsung Galaxy One UI 4

Samsung has recently released a notice to its Galaxy users about the One UI 4 upgrade with the Android 12 update. To recap, the company rolled out One UI 4 on the Samsung Galaxy S21 series in November 2021. Samsung has officially rolled out the One UI 4 to the Galaxy S21, S21+, and S21 Ultra. According to Samsung, the One UI 4 enables users to create a customized mobile experience to meet their unique needs, hosting new color palettes, customization options for home screens, buttons to icons, and even reimagined widgets that offer their own customization. The One UI 4 is now available on the Galaxy S21 series and will soon become available on previous Galaxy S and Note series and the Galaxy Z series, A series, and tablets. Samsung is preparing its next major software release, One UI 8.5, and dozens of Galaxy devices are already confirmed to be included in the update rollout for 2026. What’s new in One UI 8.5 Samsung’s upcoming update introduces several visual and functional improvements across the system. Full list of Galaxy devices eligible for One UI 8.5 Samsung’s upgrade policy makes it simple to determine eligibility. Read more in our articles including "Samsung One UI 4 (Android 12) upgrade schedule" and "Samsung One UI 4 rolls out to Galaxy S21 series".