The Major M series phones like M51, M31 ,M21 , M31s starts recieve One Ui 2.5
💥Some cool feature+++
💥Camera got a large improvement see the video 2nd half .
💥 Moreover I love One ui . It is one of the best UI👇
The best top Android UI are :
🥇1st class UI: (top flagships)
One Ui 2.5 , oxygen os 11, stock android, rog ui ,
🎖realme ui 2.0🏅( well optimized ui) , color os 7, MIUI12
🏅Don't you agree those mentioned above?