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Repair information, troubleshooting tips, and guides for the sixth iteration of Apple iPhone, announced on September 12, 2012. Model: A1428, A1429

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iPhone 5 boot loop after parts replaced

Hello,

Today I tried to replace some parts of a broken iPhone 5. Before I opened the phone the power button was broken and the screen was cracked but still working.

I replaced the flex cable, and the screen and while I was at it I also replaced the battery.

I closed the phone and tried to boot. Screen still black but the phone did vibrate few times. I put the old cracked screen back in and there was the apple logo. But it disappeared and came back again and it is repeating this proces over and over again. I tried to use the old battery, the old lcd but nothing helps. I just can't get it to boot in iOS!

Does anyone have an idea on this problem?

Any help is more than welcome!

Thank you in advance.

Answer this question I have this problem too

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You need to flash the firmware and recovery the software.

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Could you walk me throug the steps on how to do that?

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so with old screen and old battery you have a boot loop? Look closely near battery connector for any missing components.

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After trying some things with different battery and lcd not completely assembled the iphone booted up the right way. However when closing it all up it suddenly woont boot at all anymore. We checked the battery and the connector, both seem fine. Could it be the backlight coil?

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