There is a line in the middle of the Apple screen in the following cases: Under normal circumstances, if the Apple phone is not dismantled or repaired, 80% of the possibility of a straight line on the mobile phone screen is the problem of the LCD screen of the mobile phone screen, because the mobile phone has not been dismantled and repaired, the display line of the Apple phone is fixed very firmly when it is packaged, so only 20% of the possibility will lead to a straight line on the mobile phone screen.
However, the two can not be judged by the naked eye through the appearance, you must disassemble the phone, first press and hold the line to reinstall the line, if the straight line disappears on the screen, it indicates that the line is the problem, and on the contrary, you can determine the problem of the LCD screen.