crwdns2934241:0crwdne2934241:0 Mr. Jaat

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Tiny black horizontal lines shows on the screen

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I have a Samsung Galaxy device. Yesterday I kept it in my pocket. I did not know what happened. When I took it out of my pocket, the screen was flickering and small black horizontallines were appearing and going away. But since night those lines are not going away and the fingerprint sensor is also not working. What should I do?

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Samsung Galaxy A30s

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open