Screen blinking

[Hamza1Khan]

I have recently purchased Samsung a57 from Samsung online store but for few seconds the screen started blinking at top below the camera for few seconds 

I have attached the video is this normal 

[Thunderpixie120]

How old is your phone, as in when did you buy it? Old phones or old models can sometimes register lots of taps like this randomly, I had this issue untill I got a new phone.

[Hamza1Khan]

I buy it new from Samsung online store 2 days before that it sealed pack

[Hamza1Khan]

I am disappointed from Samsung but not it's been a while didn't got blink and Samsung is not responding at all

[MangoLover123]

Take this back to the store immdietaly for a check up.

[MangoLover123]

They will try and diagnose the problem.