Samsung is preparing a beta version of its One UI 8.5 software for the Galaxy Z Fold 7 and Flip 7, with internal test firmware already spotted. The stable rollout for these foldable phones is likely to happen in April, following the mid-March release of the public beta. This update will bring improvements such as customizable Quick Panels, one-handed use features, and AI-powered tools to make daily tasks easier.
Source: https://www.androidcentral.com/phones/samsung-galaxy/one-ui-8-5-beta-could-land-soon-on-the-galaxy-z-fold-7-and-flip-7