What’s the back sticky substance

There is a black sticky substance coming from my iPhone.7 plus. It comes out between where the screen and back panel meet. At first I thought it was just dirt but when I went to clean it it seemed to be coming from that seam. t isn’t there all of the time but I have noticed it 3-4 times.

Posted on Apr 17, 2018 6:35 PM

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What’s the back sticky substance

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