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My phone(O+ 8.38z android) has got lot of horizontal thin lines and it was moving up and down on my screen how to fix it

@francejay this “lot of horizontal thin lines and it was moving up and down” sounds like a broken display. you do want to post some images of what your screen shows with your question. That will allow us to see what you see. Use this guide Adding images to an existing question for that. As in how to repair it and how much etc. we cannot answer, since we do not have a make or model for your phone.