Galaxy S20, Galaxy Note 20 starts receiving One UI 3.1 update in India Earlier this year, Samsung launched its next-generation flagship Galaxy S smartphones dubbed Galaxy S21 trio. As per the trend, the company introduced a bunch of exclusive One UI features to the lineup. Of course, all these features were a part of One UI 3.1 software. Just like every year, some of these exclusive features traverse down to older generations of flagship devices. A couple of days ago, Samsung announced the rollout of its One UI 3.1 software to multiple Galaxy devices. The list of supported devices includes the Galaxy S20 trio, Galaxy Note 20 duo, Galaxy Z Fold 2, Z Flip lineup, S10 series, and many more. All the supported devices have already started receiving the update but of course, the availability depends on region and carrier.