Released September 22, 2017. Model A1863, A1905. Available as GSM or CDMA / 64 or 256 GB / gold, silver, and space gray.

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Ambient light sensor noto working after repair.

After repairing several iPhone 8 lcms, I am noticing that the ambient light sensor is not working on any of them. Is the sensor tied to the original LCM in some way? If i put the original lcm back on, it works properly. If so, any replacement lcm will not work fully after repair.

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Hi, did you solve you problem? I found this article: https://www.macrumors.com/2018/04/11/iph... if it helps you.

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https://www.youtube.com/watch?v=ruuP76o-...

I am encountering the same issue, the oem front flex is tied to the board but I even attempted to by pass this using reman glass to test just the LCD portion. in the video it is shown that I attach the assembly to a separate piece of glass. it functions with the OEM LCD but not the aftermarket. upon further testing I am encountering that this not only happens with aftermarket. but from oem to oem swap as well. keeping the home key and ribbon paired with its main board just swapping the LCD assembly. still results in no auto brightness function.

can not confirm but at this point I am reduced to believe they have paired something in the display itself to the motherboard

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Did you make sure that you have everything seated properly on the flex before putting the ear speaker and screws on (sensors seated properly in rubber mounting pieces, etc)? Also make sure that you didn't accidentally peel the light sensor off its flex because they are glued pretty well to their seating brackets. If that is the case, you will need to replace the flex which is a walk in the park.

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Everything was seated properly and there was no damage to the flex. After replacing the original back in place, the ambient light sensor works properly. I have tried this with 7 phone so far, every time a different flex assembly is used, the ambient light sensor does not function at all. Everything else works.

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I am just testing this issue using only OEM parts and screens.

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Also, the proximity sensor works properly, it is just the ambient light sensor.

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I would assume that the screen replacement would be pretty much the same to the iPhone 7, I actually haven't done an iPhone 8 yet but I have screens for them.

The only difference I see on the frame is the added two clips at the top.

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So tell me @benjamen50 , do you ever sleep or are you a cyborg :>)?

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Try to scratch the paint away on the back of the screen where the sensor is supposed to look - similar to some aftermarket screens, the filter may be too thick for the sensor to see properly. If it works after removing the filter/paint, go over the area with a black sharpie. If you removed a perfect circle of the material, you can't tell a difference. I do this a few times a week.

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Thank you for the response, but I am using OEM parts to verify that this is an issue. It is. No autobrightness and no true tone feature.

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Shawn estará eternamente agradecido.
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