The attached pictures show the difference between one ui 2.5 and 3 of the dialer application and SMS application for the Note 20 Ultra dual sim.
The one ui 3.0 not easy to swapping between sim 1 and sim 2 when call or send SMS. And there in no contact picture in recents tab
I'll be sharing these to my friends who could share your screenshots to Samsung Beta Manager. Hopefully we will see positive changes