Introduction

Replacing the logic board of an HTC EXCA100

Image 1/1: Pry loose the metal cover near the camera lens, circled in the picture.
  • Remove the rubber screw covers. If needed, use a thin object to help pry them off. There should be two of them on top of the phone. Skip this step if already removed.

  • Pry loose the metal cover near the camera lens, circled in the picture.

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Image 1/1: Gripping the battery by the bottom, lift and remove it from the phone.
  • Remove the battery cover.

  • Gripping the battery by the bottom, lift and remove it from the phone.

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Image 1/3: Next, use the spudger to loosen the case underneath the shiny metal edge. Go all the way around the phone until completely loosened. Image 2/3: The case is superglued on and will not permanently damage the phone when removed, but you should still use caution. Image 3/3: After loosening the case, remove it.
  • After removing the rubber stoppers on top, there should be six exposed screws. Remove these using the T6 screwdriver.

  • Next, use the spudger to loosen the case underneath the shiny metal edge. Go all the way around the phone until completely loosened.

    • The case is superglued on and will not permanently damage the phone when removed, but you should still use caution.

  • After loosening the case, remove it.

    • There is a wire that connects both the top and bottom of the case. If you are not careful when removing the case, you might snap the wire.

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Image 1/2: Unclip the wire that connects the back of the case to the logic board. Image 2/2: Unclip the wire that connects the back of the case to the logic board.
  • Remove the one remaining screw in the logic board.

  • Unclip the wire that connects the back of the case to the logic board.

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Image 1/3: Unclip the bottom clip, thread the middle one through the logic board, and pull the top one out gently. Image 2/3: You can then lift the logic board out of the phone. Image 3/3: Do this at an angle, lifting the side to the right of the SIM card instructions.
  • On the left side of the phone, there are three copper colored clips.

    • Unclip the bottom clip, thread the middle one through the logic board, and pull the top one out gently.

  • You can then lift the logic board out of the phone.

    • Do this at an angle, lifting the side to the right of the SIM card instructions.

    • One of the strips is attached to the front of the case, and goes through the logic board. Be careful not to break this piece.

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Conclusion

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

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Ian Mitchell

Member since: 04/19/2011

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Cal Poly, Team 25-27, Garner Spring 2011 Member of Cal Poly, Team 25-27, Garner Spring 2011

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