Samsung Galaxy Z Fold 2 has received stable One UI 3.0 update Back in the fall of last year, Samsung began testing One UI 3.0 user interface based on Android 11 for the flagship Galaxy Z Fold 2 smartphone, which is equipped with a foldable screen. The beta version of One UI 3.0 for the Galaxy Z Fold 2, which was released in November, caused problems with the smartphone freezing on the lock screen. However, the testing period has been successfully left behind, now smartphones are getting stable firmware. Since last week, the Android 11-based One UI 3.0 stable update has already appeared in European countries, South Korea, and now the firmware is being rolled out to the US market.