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Repair information and guides for the iPhone 8 that was released on September 22, 2017. Model: A1863, A1905

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iPhone 8 rear camera Autofocus problem

Hi,


Have an iPhone 8 which cant autofocus. I have tried the camera in another iPhone 8 and it works there. I have also tried several cameras in the iPhone 8.

It seems like its the close ups that that wont focus, but i cant say for sure.

Have anyone encountered this problem before? Would you know if there are any filters/ICs that controls the autofocus?


Thanks!

Answered! View the answer I have this problem too

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It seems like it was the new back housing that caused the problem, Very odd. Might be some problem with the magnets around the new camera holder. Anyway, all good now.


Thanks for your input Minho.

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i got a problem too, i put a new camera in my iphone 8 when taking a picture close its absolutely clear, when i am taking a picture like far its blurry, and i change a new again it same thing what happen when i put a camera before, someone know what is the problem why is not focusing for long shot picture?

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what can i do to fix this ?

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Found the issue, it back case had a faulty so the camera couldnt move freely. Added a little foam bumper around the camera. And it worked!

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Found the issue, it back case had a faulty so the camera couldnt move freely. Added a little foam bumper around the camera. And it worked!


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There are no available schematics for the iPhone 8 so you will have to do some educated guesswork based on what info we do have for the 8 Plus. The iPhone 8 has only one connector for the rear camera whereas the 8 Plus has two (J3900 & J4000). The 8 Plus camera is more advanced so there are going to be features which are not present in the 8.

Ideally, if you have another iPhone 8 on hand, you could compare the diode mode measurements of the RCAM connector to see if anything stands out.

The iPhone 8 rear camera will have several power lines controlling it. Take a look at this snapshot of the 8 Plus to give you an idea of what could be in play.

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Johan J will be eternally grateful.
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