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Apple iPhone 5cは2013年9月10日に発表されました。このデバイスの修理は前モデルと類似しており、スクリュードライバーとこじ開けツールが必要です。GSM か CDMA、8, 16, 32 GB 、色は白、ピンク、黄色、ブルー、グリーンがあります。

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Tough screen not working, possible motherboard issue

I have replaced the lcd/screen on my iPhone 5c as the touch screen wasn't working. However the Screen still doesn't respond. I tried a second screen but still no luck. I am now wondering if the fault could lie with the motherboard and that the motherboard has failed?

I'm hoping this is not the case but any ideas would be greatly received.

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Hello it's possible that one of the pins on the lcd or touch cable is bent or missing!

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Not that I can see, is it possible to to replace this cable incase this is the problem?

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No you can't replace the cable you will need another screen

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I've tried 2 screens already which is what makes me think it isn't the screen

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Take a magnifying glass and bright light to thoroughly examine your system board, especially near the touch screen connector to see if there's any bare solder points where it looks like something used to be there.

Did you happen to use tweezers to pop the connectors loose during the screen replacement?

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Thankyou I will try that. No I used a metal pry tool to PPP the connectiond off.

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Hi,did you fix this issue

Yet?

I have a iPhone 5c but the touch screen is not working on the bottom o the screen like when I'm typing the letters

U,H and B does not work,I had tried 2 or 3 different screen

And it's the same,so I'm thinking there something wrong with the motherboard but I don't know how to fix it,

If anybody knows how can you please help me out?

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dont know try switching it off and on again

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I have 3 iPhone 5c phones they all do the same with perfect working screens if I put it to sleep then try again it works for a minute then happens again randomly

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Can't be sure without thorough inspection under microscope. However, your issue is most likely related to IC responsible for your touch. The issue is very common in the newer iPhones, but can still affect older ones depending on impact or water damage. In some cases the actual connector may have issues as well, this should be easily able to be seen with a lit magnifying glass if you don't have a microscope available. Both issues are repairable but may not be worth it for those devices.

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Can't be sure without thorough inspection under microscope. However, your issue is most likely related to IC responsible for your touch. The issue is very common in the newer iPhones, but can still affect older ones depending on impact or water damage. In some cases the actual connector may have issues as well, this should be easily able to be seen with a lit magnifying glass if you don't have a microscope available. Both issues are repairable but may not be worth it for those devices.

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Laura R さん、ありがとうございました!
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