Weird behavior from the screen

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New member
Sep 10, 2016
I have a samsung galaxy M32 that I bought like 2 weeks ago, and I noticed sometimes when locking the screen, once when I attempted restarting it, once while the screen was locked, a narrow strip of pixels, it feels like it's one pixel wide and it goes from the right side to the left side of the phone flashes independently for like a second and then turns off, the strip isn't in one place of the screen and it happened to me in multiple parts, so it doesn't seem to be a problem with specific pixels, is this a bug? Something wrong with the screen? Can you help me?