Thanks dear. i am from pakistan. i am using lg f160l. i have tried sling v1.5, many chinese róm, and also vdt róm.i have ẽxprienced in all these roms same issue. only stock róm have not these issue. i tried to decompile sýtemui.apk and framework. but could not find any option.( lack of knowledge). one other thing which i noticed is the smoothness of touch. stock róm touch is very smooth as compared to others.