Fifth generation of iPhone. Repair of this device is straightforward, and requires screwdrivers, prying tools, and patience. GSM/CDMA / 16, 32, or 64 GB / Black or White.

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Broken chip on iPhone 4s logic board.

Hi

One of the customer brought an iphone 4s. The phone stills "searching", after battery replacement. The date is value, so unfortunately, I think, its an other problem this. I checked the logic board with microscope, and I saw this broken chip.

what is this 6 pins chip? Tomorow I will resolder this.

I marked with yellow.

Thanks.

Tibor

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Iphone Service Szeged, that is U18_RF which is a Low-power 2-input AND gate 74AUP1G08GF in a SOT891 package, it is part of your baseband circuitry. The part is readily available at places like Mouser.com You can get the datasheet from here.

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