After 3.1 ui 11 update, ram management is bad like m51, a51, a50s,2.5 UI batter than 3.1 UI & after update m51 boting time is slow. Before update boting timing is quick, Need a software update for optimization.& for Ram management of m51...
Focusing issue, after one ui 3 , m51 focusing speed up huya tha, or recent ek camera se related 177 mb ka update aiya tha, isske baad focusing issue ho raha, Agar apke pass m51 he toh check karo, focusing speed ko..