How to see senders SMS logo in Galaxy M 31 like other phones MI, Realme etc.

Shot on M31 

When M31 will receive update UI 4?

When M 31 will receive UI 4 update? As scheduled May 22

I have two phones one is M 31 and another is Red Mi 8A dual both having Jio Sims for using Data. Yesterday night  I could not open any pages or youtube in my M 31 but In Red Mi it was running smoothly without any buffering.  Can any one tell me why t...