I am unable to downgrade to one ui 3.1 in note 20 ultra. I believed Samsung and joined beta thinking that if anything goes wrong we can downgrade as per their commitment in one ui 4 program. But I am not able to downgrade even after unjoining progra...
I too had battery drain issue after first update. So as I saw in beta discussions have done a factory reset and setup again and found my battery life improved. Try this and comment if you got same experience. My battery still works fine after 2nd bet...
