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Repair information and guides for the Apple iPhone 5s that was announced on September 10, 2013. Model: A1533, A1453, A1457, A1528, A1530, A1518

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Wont turn on after lcd replacement

I have changed the lcd and now it won't turn on. the issue is now that it won't turn on again. when connected to iTunes it is recognized as "the phone you are trying to activate needs a sim card to activate. or this item does not exist. When connected to charging cable it vibrates to times with 5 sec. interval.

the repair is not new to me, i have done this repair many times.

i have tried to mount an other lcd with the same result. I can read, that some threats describe the it could be issues with CPU. Does any of you have experience with this issue?

Answered! View the answer I have this problem too

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The constant vibrate is the phone telling you it can not see a display. Look for a damaged digitizer connector or screw damage down the flex cable retaining bracket screw holes.

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I know I say this a lot, but have you tried a force restart?

How to Force Restart an iPhone 5

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But that reset does resolve a lot of issues with the iPhone

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Yes. I have tried hard reset several times. And I have tried to boot in dnu mode

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Hmm. Sounds like the phone is on and active. It's starting to sound like there's an issue with the sockets on your logic board. You sure your old LCD doesn't work? So we can rule out our new LCD being the issue?

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Hi Imedic

thanks a lot for your replies. i have also tried with more than one lcd on this phone. i have also tried to change the charge port and jack component. do not know what next step to take, all ideas are welcome.

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Carsten will be eternally grateful.
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