Why are there red and pink dots on the images taken from the rear camera in Samsung S7 Edge?

So I just got a brand new Samsung S7 Edge about a week ago and I was pretty excited about it as I was saving money for months. But now I am pretty disappointed because all of a sudden pink and red dots appears on the images taken from the rear camera. I have sent the phone for inspection and have demanded for a new one, hope they will replace it. Anyone have this issue? What is this actually? The technician are not saying anything, they have said that they will contact me after few days....

Why are there red and pink dots on the images taken from the rear camera in Samsung S7 Edge?

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