Samsung is set to initiate the rollout of its much-anticipated One UI 7 update in April, as confirmed by a recent tip from a reader and supported by various reports and the ongoing beta programs.
A leaked screenshot from a recent Samsung workshop has revealed the timeline for devices and rollout dates. Samsung aims to provide the Android 15 update across three generations of smartphones from mid-April through late May.
The first wave of devices receiving Android 15 and One UI 7 includes the Galaxy S24, Galaxy S24+, Galaxy S24 Ultra, Galaxy S24 FE, Galaxy Z Flip6, and Galaxy Z Fold6, all scheduled for April 18. Following closely behind, the Galaxy S23 lineup, Galaxy Z Flip5, Z Fold5, and Galaxy A54 will receive the update on April 25.

Meanwhile, the Galaxy S23 FE will see its update later, on May 16, alongside the Galaxy S22 series, Galaxy Z Fold4, Z Flip4, as well as the Galaxy A34, Galaxy A33, and Galaxy A53.
The final batch of updates will hit the Galaxy S21 series, along with the Galaxy Z Flip3 and Z Fold3, on May 23.

Thanks for the tip!