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Backlight bleed and some other questions after new screen installation

For some background, I have fixed androids screens and old iPhones in the past but this is my first “newish” iPhone screen replacement.

The replacement screen assembly was from Amazon, most likely a Chinese 3rd party supplier. I have noticed that I everything works great but there is some backlight bleed on the top of the screen where the microphone and faceID sensors are. I am wondering if I have tightened the screw too tight or if one of the components is pressing on the screen. I also noticed that if I don’t open the screen for longer than an hour, it opens up black. After more power ups though, the screen opens fine with no issues until it lays dormant again for 1 hr+. Is that an issue with the screen or a flex cable connection?

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Also if I were to reopen the screen again, would the water proofing from the new adhesive that I installed be compromised and need another replacement?

Any insight would be greatly appreciated!

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This definitely looks like a poor quality screen (as to be expected. from Amazon/eBay suppliers). It is possible you damaged something or screwed something too tight so you’ll want to double check that while your are at it.

As for the LCD adhesive, once you open it up, the adhesive will peel away irregularly. This brings up an important point when doing screen replacements. Always text the screen with the phone partially assembled before you lock it in. There’s nothing worse than sealing the device before noticing an issue or a forgotten screw or shield :-(.

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