Introduction

Use this guide to uninstall and replace the motherboard from your phone. After uninstalling the motherboard you will also be able to access the front camera, the power button, and the volume button.

  1. Insert your fingernail or a plastic opening tool into the pivot on the side of the SIM tray.
    • Insert your fingernail or a plastic opening tool into the pivot on the side of the SIM tray.

    • Pry open the tray to get it out of the socket.

  2. Remove the SIM tray with SIM card from the phone.
    • Remove the SIM tray with SIM card from the phone.

    • Heat the front face (sides, top, bottom) of the phone with the iOpener, a hair dryer, or a heat gun for 60 seconds to loosen the adhesive around the edge of the glass.

    • If using an iOpener, heat it in a microwave for thirty seconds.

    • Attach a suction cup to the lower half of the screen.

    • Using the suction cup, pull gently the lower half of the panel.

    • If you pull too hard you may break the display. If you still feel resistance repeat Step 3, leaving the iOpener on longer.

    • Once you’ve opened a large enough gap, insert a plastic tool at the bottom, between the glass and the rest of frame of the phone.

    • Slide the plastic opening tool around the screen, prying the display gently away from the body

    • Pull the lower half of the screen screen with the suction cup while holding down the frame of the phone to separate both components.

    • Only lift the lower part of the screen. It is connected with a clip to the top of the motherboard and can rip off if you pull too hard.

    • Once the glass is off, you will see a small clip covering the screen connection to the motherboard at the top of the phone. Use tweezers to grab the clip by the crease on its side and pull it out.

    • Undo the screen connection with a plastic tool.

    • Remove the display assembly (LCD and Digitizer).

    • Use the Phillips Head Screwdriver sized PH000 to remove the sixteen 4mm screws from the frame.

    • Put a little pressure on the top, on the bottom, and on the sides of the phone to separate the rear case.

    • You will hear the clips start undoing themselves.

    • Once all the clips have popped, pull out the rear case to separate it from the frame with the battery.

    • The battery will be on the back side of this frame.

    • Insert a plastic opening tool on the side of the frame and pull out the battery.

    • Remove the battery from the frame.

    • Use a plastic tool to undo all the connections in the motherboard.

    • There are three connections that have to be removed.

    • Insert the flats end of the spudger below the motherboard and twist it to pry the board up.

    • Remove the motherboard from the rear case.

Conclusion

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

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Lucia Valbuena

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USF Tampa, Team 1-5, Sullivan Spring 2017 Member of USF Tampa, Team 1-5, Sullivan Spring 2017

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