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2016年9月16日に発売。モデル番号は1660, 1778で GSM かCDMA があり。/ 32、128、 256 GB / 色はローズゴールド、ゴールド、シルバー、ブラック、ジェットブラック

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Flashing Apple logo after removing cameras

My company has employees who travel to job sites where cameras are not allowed, but they need to be reachable via phone and email so we’ve been removing the cameras from their company issued iPhones.  Because the front facing camera shares its ribbon cable with the ambient light sensor and ear speaker, we’ve been cutting the front camera off the end of the cable.  We’ve done this to numerous iPhone 6s’s, and one iPhone 7 with no problems.

After working on the second iPhone 7, it gave me the flashing Apple logo when I turned it back on, along with random thin lines on the screen.  After reseating the front camera/light sensor cable and the two touch screen cables a few times, I tried just disconnecting the front camera/light sensor cable completely, and the phone turned on with no problem.

So I ordered a replacement front camera/light sensor cable assembly and installed it, only to encounter the flashing logo again.  I decided to disconnect the cable again and turn the phone on to see how it would function, knowing that the earpiece speaker wouldn’t work, but I discovered that the home button wouldn’t work.

Any suggestions as to what to look at next?

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Every time you remove a screen from the iPhone 7 you risk damaging the home button flex. There will probably be a small tear in it which will be very hard to see unless you have some magnification. I have uncounted iPhone 7 with a torn flex cable that would boot up fine without the camera flex but not with it plugged in. If your home button flex is damaged you will have to get a new screen.

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Are you referring to the short cable, which looks to be about one inch (25 mm) long, that's actually attached to the home button? I don't see how I would have damaged that, unless the heat gun I used to soften the seal damaged it somehow. But even if it's the home button that's damaged, I thought that wasn't replaceable. I have no problem buying a replacement screen, but I read that I would have to reuse the original home button and if that's the case, replacing the screen won't do any good if the home button flex is bad.

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The home button flex from your screen to the logic board is the one I am talking about. They usually tear at the bend but you will have to look close.

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Thanks for clarifying. Sure enough, the shorter flex cable, the one that's underneath the longer one, is torn more than halfway across that 90 degree turn. I'm sure it was a small tear at first that grew after taking the phone apart numerous times. Thanks!

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Tom さん、ありがとうございました！
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