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第四代iPhone。维修过程直观易懂,但前置玻璃和LCD面板无法分开,只能作为同一零件更换。GSM版本, 8, 16, or 32 GB 容量 / 型号 A1332 / 黑色或白色

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Why my iPhone has gray lines?

Hi,

I bought an iphone on ebay and there are horizontal gray lines on the screen as below.

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But there is nothing on screenshot when I look on another screen.

Anyone knows this problem or has an idea of the solution?

Thank you

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Hi just want to check, you mean you have taken a screenshot and view it on another phone or on the same phone?, if you view the screenshot on another phone then it means that your lcd is faulty, provide us more info and maybe we can isolate and narrow dont the issue, hope that help, cheers!!

Update

Hi so based on your answer, it is the lcd that is faulty because when you view it o another phone there is no gray line, hence there is gray lines only on the phone that you are using, changing the lcd should solved the issue

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When i view the screenshot on the same phone, Gray lines are there. But nothing on another phone. You say that LCD is faulty but lines are not always at the same place.

Thank you

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The LCD could be a cheap £5.00 replacement part bought off eBay. These displays do work but can have faults, like uneven lighting around the screen and dead pixels. The display could be a cheap one.

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Ok thank you. Can you give me some link to the part that you suggest?

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If you are in the USA, you could buy a display from iFixit. iPhone 4 (GSM/AT&T) Screen

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Ok thank you

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