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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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Phone keeps vibratig after answer calls.

Hello. I have an iPhone 5S and suddently this thing started to give me this trouble.

I can answer a call as usual, but than the phone keeps vibrating for 10 seconds (time on call already counting) and there is NO SOUND. Not in the earpiece speaker, nor other person can hear me.

This is driving me crazy. I have tried another battery, another charging dock, answer without the earpiece ribbon connected....

I have also restore the phone connecting it in dfu mode to itunes. Still nothing.

Can someone please help me?

Thanks.

Answered! View the answer I have this problem too

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hi.. that problem is in the logic board's RF/BASEBAND system.. we call it 'audio loopback'

repairing it requires micro soldering and schematic troubleshooting.. thanks

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