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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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3D and Ghost Touch after refurb

I have been refurbishing iPhone 8 screens recently. Got my first one spot on, no dust, bubbles or glue etc. Plugged it into an iPhone 8 and works perfectly. Continued to install the heat shield, home button and camera flex etc ready to be sold and then all of a sudden it started ghosting? I thought it could be shorting the board somewhere so I applied some sellotape to the heat shield where Apple has some adhesive, left it a while and came back to it. Now 3D Touch does not work (it was before) and the screen is still ghosting!

Ahhhhh!! Any help will be greatly appreciated. I have also updated the software to the latest version.

refurb business is so tricky!

Answered! View the answer I have this problem too

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So how can 3rd party non genuine screens work perfectly well every time I’ve put one on then? That doesn’t make sense?

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That’s just how it is. The screen has to be individually calibrated, without the original Apple calibration machine, you can only hope for getting a screen that matches your device’s electrical and mechanical properties.

And with iPhone 7 and later, the issue is much worse because different suppliers manufacture screens with very different performance ranges. You are much more likely to install a screen that has different characteristics from the original one the device came with, and you don’t have the tools to recalibrate it.

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How does a copy screen manage to work every time then? These won’t have been calibrated either?

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That’s right, they don’t. However most of them were dismissed simply as quality issue.

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You might want to try a Refurb group on Facebook…lot’s of qualified folks on those to help out. This forum tends to have very few active refurbishers.

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Joseph Eke will be eternally grateful.
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