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Repair information and guides for the iPhone 6 that was released on September 19, 2014. Model Numbers: A1549, A1586, and A1589

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What causes these LCD marks?

Hello,

I have replaced a iphone 6 screen and the frame. After putting everything togheter i notice this mark on the LCD. The screen is a little stressed. Did i do this damage when repairing the device or is there something wrong with the screen? I have repaired a new screen today, and i notice the same thing, but in very small amount.

You can only see it clearly when the screen is compeltely white, so it is not a very big problem.

The screens are high quality copy screens. (MiC)

Thanks!

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Answered! View the answer I have this problem too

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The small white area is caused by excessive pressure. Remove the screen from the housing but keep it connected. If the mark is still there, then it may be a defective replacement screen.

The screen should not be stressed when properly installed. Look for debris that may be causing this.

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Thank you Minho. When removing the screen the mark goes away. I have tried removing the LCD shield plate and clean for debris. It is better now, but the mark is still there. I am not sure what the cause might be. What i noticed is that when i apply pressure to the LCD plate, the white area appears. So it must have something to do with that. But as i said, the area behind the shield looked really clean.

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It doesn't take much. Inspect it again...there must be something somewhere causing this.

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After a lot of cleaning/reassembling i got the worst of it away. It seemed to me some sand/small corns on the screen flex. Scraped that away and it worked again

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That could be pressure, heat, water damage or bad display manufacturing(vacuum related usually)

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