[Photo] Changing button break a component for chip :S

Hello!

I dismantled the phone to change the power button and when I turned up no signal. Constantly stay in "searching". I've been reading quite possible solutions, but then to try them all, I decided to check the motherboard and I found this. Is there any solution? : (The phone does not recognize if I remove the chip, and "modem firmware" is blank.

https://fbcdn-sphotos-d-a.akamaihd.net/h...

Any suggestions?

Thanks in advice. Sorry for my bad english, i'm from Argentina.

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Christian Venturin, the part you are missing is U18_RF. It is part of the Baseband circuitry and is a TI 2-INPUT AND GATE 74AUP1G08GF package SOT891 with the Apple PART NUMBER 311S0548 ALTERNATE FOR PART NUMBER 311S0398.

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The data sheet as well as the part is available at places like this. Hope this helps, good luck

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