Finally my s21 ultra gets one UI 6.1 update today and i have got various updated features in this update like circle to search much battery saving option gallery editor,etc.

About a 6 days ago I had send my s21 ultra for repair and I put it in maintenence mode but now I had forgotten maintenence mode password n I had important data that I need how to recover maintenence mode password please help me 

Finally after one ui 6.0 update tiday my device again gets one update of January security patch update.

Finally yesterday my s21 ultra gets one ui 6.0 update and after that update my device green line in display is disappeared or it transformed into fade pink line which is unnoticeable.

Finally my Samsung s21 ultra got August security patch update yesterday and now waiting for One UI 5.1.1 and One UI 6.0