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苹果 iPhone 5s 于2013年9月10日公布。该设备的维修与以前的型号相似,需要螺丝刀和撬棒。可使用GSM或CDMA / 16、32或64 GB。颜色有银色、金色和太空灰。

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Initial screen with logo blinks sometimes with red screen appearing

Hi,

I'm trying to bring my wife's old iphone 5S back to life. The problem is that it's stuck with startup screen (gray background with logo) for a few seconds. Then it goes to black screen and restarts back to this initial screen. Sometimes at the end of the cycle the red screen appears for a second.

Following my search I replaced the battery. Didn't fix it. Then I found out that it could be some front screen assembly component that is damaged. So I replaced the whole front screen with all the components (as it wasn't very expensive to buy). Well, still NOT WORKING.

Is this a lost case as this point? I don't have anyway to diagnose the phone. And probably it does not make sense to spent any more money on it.

BUT if any one has any suggestion what else I could do - please let me know.

Thanks,

JD

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Its usually caused by the front facing camera but since you’ve already replaced the screen with all new parts, I would’t spend anymore money on it as this would be a software issue.

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Jim D 将永远感激不已
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