Introduction

This guide serves the purpose of replacing the Nokia Lumia 635 Mother Board when the user (you) cannot turn on the phone due a burnt Mother Board.

Image 1/2: Remove the battery. Image 2/2: Remove the battery.
  • Open the back case of the phone using the plastic opening tool.

  • Remove the battery.

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Image 1/2: Turn your phone sideways and you will find two more screws that you will need to remove using the Torx Screwdriver 5mm. Image 2/2: Turn your phone sideways and you will find two more screws that you will need to remove using the Torx Screwdriver 5mm.
  • Remove the five screws shown in the photo using the torx Screwdriver 5mm.

  • Turn your phone sideways and you will find two more screws that you will need to remove using the Torx Screwdriver 5mm.

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Image 1/1: Remove the screw that was under the black sticker using the Torx Screwdriver 5mm.
  • Remove the black sticker on the bottom left side (As shown in the picture).

  • Remove the screw that was under the black sticker using the Torx Screwdriver 5mm.

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Image 1/1: On the top left corner you will see the screens flex cable attached to the mother board, watch out when separating them.
  • Using the plastic opening tool separate the plastic cover from the screen.

  • On the top left corner you will see the screens flex cable attached to the mother board, watch out when separating them.

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Image 1/3: Retrieve the burnt Mother Board and replace it with the new one. Image 2/3: Retrieve the burnt Mother Board and replace it with the new one. Image 3/3: Retrieve the burnt Mother Board and replace it with the new one.
  • Carefully retrieve the camera and audio jack’s flex that is attached to the mother board as shown in the picture.

  • Retrieve the burnt Mother Board and replace it with the new one.

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Conclusion

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

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Daniel Robles

Member since: 10/07/2014

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USF Tampa, Team 7-1, Leahy Fall 2014 Member of USF Tampa, Team 7-1, Leahy Fall 2014

USFT-LEAHY-F14S7G1

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