Android 17-based One UI 9 to be the last major upgrade for the Samsung Galaxy S23 FESamsung unveiled the Galaxy S23, Galaxy S23+, and Galaxy S23 Ultra in February 2023 with Android 13-based One UI 5.1, and later in October, the brand introduced the Galaxy S23 FE with the same OS. Regardless of which model you own, the Android 17-based One UI 9 will be the last major OS upgrade for the smartphone. Samsung Galaxy S23 FESince the Galaxy S23 lineup came with the promise of four OS upgrades, the Korean/Exynos-powered S23 FE should receive Android 18 as the last major OS upgrade. Samsung Galaxy S23 UltraThat said, Android 17-based One UI 9 won't be the last major OS upgrade only for the S23 FE, but also for the other three smartphones in the S23 lineup. Samsung Galaxy S23Samsung Galaxy S23+Via