The reasons for a bright line on the xs screen are as follows:
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1. It may be caused by loose display cable buckle or poor contact between display cable and screen; If it is caused by non-human factors, you can find after-sales treatment; If it is broken, after sale, you have to spend your own money, you can choose to repair or send repair, do not dismantle the machine by yourself
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2, the screen may be broken, and the LCD screen is broken, to change the entire screen assembly, the cost is higher.
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3, motherboard damage, but also change the whole motherboard, this probability is relatively small, but can not be completely excluded, the method is to change the motherboard, the general motherboard is cheaper than the screen. It is recommended to get the phone to the Apple official after-sales center for engineers to test and then determine how to repair.