Samsung has reportedly begun rolling out the stable One UI 8.5 update for the Galaxy S25 lineup in the US. The Android 16-based software was first released in South Korea last week. The update introduces several new features to the Galaxy S25 series that were initially limited to the newer Galaxy S26 lineup.Samsung has reportedly begun rolling out the stable One UI 8.5 update for the Galaxy S25 lineup in the US. The Android 16-based software was first released in South Korea last week. The update introduces several new features to the Galaxy S25 series that were initially limited to the newer Galaxy S26 lineup.