The samsung s20 series has got the febraury 2021security patch with update for the ONEUI 3.1.It is 1248 mb aprox.it is been released on 21st february. It says it has improved the phone stability and improvements in the device.they have done some some bug fixes and has new and enhanced features and performance improvement AND mainly camera performance improvement .the device security has also been improved. Even the e-sim option for the indian model is unlocked now. The one ui 3.1 comes with many new interesting features.Lets see what has improved and what has not. Let's hope for the best and wait for it. Ill install and use by tomorrow ill inform if there is any improvement.