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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。

4079 个问题 查看全部

5s Blue Screen of Death Bootloop

Problem description:

The phone is stuck in an apple logo boot loop with Blue screen of death cutting it off.

I can break the boot loop if I leave the battery disconnected for some time, once I plug the battery back in and let it boot up it boots up fine.

Then if I switch off the phone and try to turn it on again it's stuck in the BSOD boot loop.

Then again to get it working I have to disconnect the battery again and do the above.

What I've checked:

- Checked screw holes for long screw damage, no damage visible there

- Tried booting with front camera, rear camera, charging port, antennas unplugged

- Tried booting via DC Bench power supply adapter

What I am going to do:

- Replace tristar charging chip (U2)

Should I try anything else first before doing so?

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评论:

what about a nand reflow

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I don't like reflows, I'll do tristar first.

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已选择的解决方案

Okay, problem solved, U2 Tristar replacement did the trick!

So for anyone with exact same symptoms on 5s, get tristar replaced to see if that helps.

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评论:

Hi @benjamen50 ,

Seems like 'going with your gut feeling' is the way to go.

Cheers.

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