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Lancé le 20 septembre, le smartphone 2019 d'Apple est doté d'un écran OLED de 5,8 pouces, d'une caméra arrière à triple objectif et d'une autonomie de batterie considérablement améliorée. Il succède à l'iPhone XS.

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Display not working after replacement

I have a 512gb iPhone 11 Pro and a few weeks ago the screen went out. The morning of the screen going out I had it plugged into my CarPlay and I got the device is overheating and will resume charging once it's temp lowers message and so I unplugged it.

I continued on my day and using the phone as normal and then later in the evening I was using my phone and multiple green lines appeared on the right side of the screen going from top to bottom followed by the screen flickering and going out.

The touch screen still worked as I was able to unlock the phone using muscle memory to connect to my laptop. between then and now I ordered 4 replacement OLED screens and none of them worked. I admittedly purchased 3 for a low price and they were cheap Chinese displays so I figured that was the issue. My last screen was bought from iFixIt and it still does not work. The display is completely black and like the OEM screen I can unlock the phone via muscle memory but the screen never turns on.

I am wondering if anyone can assist me as I am lost and not sure what to do anymore. I thought that based on the original screen getting green lines and flickering before dying that it was a screen issue but now I am not sure and it doesn't seem like anyone has had the same problem. I can't have gotten 4 bad replacement screens right? The phone still works and charges, the battery is not swollen and the internals all look good but the screen is just blank so I am not sure what is wrong with my phone.

EDIT: Attached pictures of the motherboard

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Hey Sunny,

I would suggest you to check the connectors on the Motherboard. if possible post he picture of the connectors. There is a possible chance the any connector might have got damaged after replacing the screen 4 times. Try to have a look closely on all connectors that are used in display replacement.

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Hey thanks for the reply. I have attached pictures of my motherboard. It does not look damaged to me but I am not an expert tbf.

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Ordinarily, I would also be thinking of a display problem based on these descriptions. And @mobilehut6736 is spot on. This could have been an issue with the display all long, and then something happened during the repair that caused the further screens not to work either. It's possible a small board component was knocked off, or nudged when the screen connector was disconnected. You can check for this by peeling up the foam sticker around the connectors and looking to see if anything seems out of place.

Otherwise, and accompanied by overheating notifications, I might be concerned this is a much deeper issue, a board level issue. The thing I would actually want to do here is to test the display connector pins with a multimeter to see if there are any discrepancies in readings on your board, to known good readings. But that requires a multimeter with very fine probes and excellent eyesight, or some magnification. If you think you can handle that, known good diode mode readings for the iPhone 11 Pro can be found at https://logi.wiki/index.php/iPhone_Diode...

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Sunny813 sera éternellement reconnaissant.
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