You will need to find a clean area to work in and have the necessary tools. Follow this guide to gain access to your cellphone's microphone module.

    • Remove the back battery cover.

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  1. Remove the phone's battery.
    • Remove the phone's battery.

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    • Remove six (4.28 x 1.25)mm screws.

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    • Use the spudger to gently pry the silver plastic back plate from the body of the phone.

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    • It is very easy to rip motherboard cables and damage fragile motherboard clips. Be careful when you are removing every component.

    • Pull the antenna plug out of its socket.

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    • Pop the two black hinged-release levers toward their ribbons, then slide the ribbons out.

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    • Pop the red hinged-release lever away from its ribbon. Then pull it out.

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    Spread the Fixmas cheer.


    Spread the Fixmas cheer.

    • Peel the button sensor on the side of the motherboard off of the case.

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    • Slightly pull up one side of the motherboard.

    • Pull the button/microphone plug out of its socket.

    • Pop the red hinged-release lever away from its ribbon, then slide the ribbon out.

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    • You have successfully removed the motherboard from the phone.

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    • Flip phone over so you are looking at the front screen of the phone. (The back is already taken off and parts removed)

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    • Use a small tool to pry the digitizer and screen (together) from the frame of the phone. This may take some time and careful work because it is glued down to the frame.

    • Be careful when you pull the lower part of this piece away from the phone frame because there is a ribbon attached to the digitizer that you don't want to break. There is also a ribbon on the side of the screen to be aware of.

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    • Next, carefully pull the digitizer away from the screen.

    • At this point you can replace either the screen or the digitizer.

    • Cleaning the screen with a glass cleaning cloth before reassembling will remove any smudges or fingerprints from disassembling the device.

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    • Pop the microphone up and out of its small housing.

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    • Peel up the black tape on the bottom of the back case.

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    • Use the spudger to release the front buttons from the phones frame.

    • Don't try and pull the front buttons completely away from the phone. There are clips that still are holding them to the phone.

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    • Use the spudger to remove three plastic lasso hooks that are holding the front buttons to the case.

    • The front button plastic assembly should come right off.

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    • Use tweezers to release the button logic board away from the phone's casing.

    • Do not try and completely remove the component. There are logic ribbons that need to be guided through the phone's back casing.

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    • You should be able to see two cables connected to the front button board.

    • Carefully slide these two cables through their respective holes in the body of the camera.

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    • The front button board should slide out. At this time you can replace the button/microphone component.

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To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

Michelle Haddock

Member since: 04/20/2011

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Cal Poly, Team 15-11, Regan Spring 2011 Member of Cal Poly, Team 15-11, Regan Spring 2011


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