When we get samsung m30 software update even m20 got update

In my samsung m30 screen got purple nd blue spotsHow to slove it

To dosto samsung m30 jb lunch hua uska price 14,999 kuch tha agar m glt nhi hu...ab market m aaya hai SAMSUNG M30s jiske value hai 13,999 majak hai ky bhai chlo maan bhi liya rate shi di hai agr aap exchange bhi krna chahte ho m30 to m30s se to apko ...

Why don't u improve face UNLOCK....not to worry if ur eyes open or close..plz improve face unlock so that anyone can't open ur mobile if u r sleeping nd ur eys open

After Pie update i think samsug m30 battery drain very fast who else think that