I see anew pink marks at my top screen in iphone 7 when itake aphoto from agalxy s7

[shadishalbi]

This day my friend try to compare cameras bettwen galaxy 7s and my iphone 7plus when he raise his phone up to my phone isee amark from his camera at the top of my screen beside the selfi camera . Any one try this?

 

[Tartarus]

Thans the proximity meter. It has been there on all iPhones, safe from maybe the first two iterations.