It looks like Samsung may launch the beta of One UI 7 with Android 15 on September.
A rumored report has stated that the One UI 7 beta was supposed to be out this month. As One UI 6.1.1 is slowly reaching out to more Samsung devices, it seems that the release of the One UI 7 beta will be delayed.
As of now, the only devices that have the new update are the Samsung Galaxy Z Flip 6 and Z Fold 6. It is said that a rollout to more countries soon.
Samsung has yet to reveal information about the rollout of One UI 6.1.1 and the One UI 7 beta. We will learn more when September arrives.