There are several reasons why your phone's screen appears lined:
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1, the LCD screen damage fault is easy to appear in the moment of charging, this problem can only change the screen;
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2, it is the system that causes this to appear on the smart machine, which can be solved by system update or brushing.
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3, artificial, such as being squeezed by external forces.
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No matter what the reason for the line, the phone needs to be repaired, in the warranty period to the repair station to free repair, over the insurance can only pay your own pocket
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The LCD screen is damaged or the cable is loose, the fault is easy to appear in the moment of charging, this problem can only change the screen;