My a05s has some touch issues when I put more than 2 fingers on screen it starts to lag or the movement of my fingers doesn't register , can any one help me or have samw issue

My A05s can't register small touches or movement of fingers when touched with 3 or more finger at same time 

Any one received June update for A05s???

When I use 3 finger at same time the screen glitches it doesn't detect small movements, pls tell any one facing this issue or how to fix it

Recently I bought A05s but when I try to play codm , my screen gets glitchy when touched with more than 2 finger (like when I aim it doesn't move left and right ) pls help me and is there any one who plays codm 4 finger claw on A05s