Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus.

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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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2 Answers

Chosen Solution

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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