Introduction

This guide will show you how to replace the motherboard on your device. It has one prerequisite guide which will teach you how to remove the back cover, which will then let you get to the motherboard. It involves removing some screws, and being careful enough to not rip off any components or connectors from the device.

Image 1/2: There is a screw located inside the 3.5mm headphone jack that needs to be loosened. Use a Torx T5 screwdriver for this. Image 2/2: The screw does not come out. Once loosened, It will unlock the lock bar inside the phone. You will break it if you do not complete this step properly.
  • Power down the phone.

  • There is a screw located inside the 3.5mm headphone jack that needs to be loosened. Use a Torx T5 screwdriver for this.

    • The screw does not come out. Once loosened, It will unlock the lock bar inside the phone. You will break it if you do not complete this step properly.

  • Remove the sim card tray on the top of the phone.

  • Remove the 4.5 mm Torx T5 screw highlighted with a red circle in the picture. (Note: all screws that you will remove in the phone will be the same)

    • There is a sticker located on the screw that needs to be peeled off. This voids your warranty.

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Image 1/3: It can be useful to flip the plastic opening tool upside down in certain areas of the phone to make releasing the plastic clips easier. Image 2/3: Once all the clips are released, remove the back cover of the phone. Image 3/3: Once all the clips are released, remove the back cover of the phone.
  • Using the plastic opening tools, you can start to release the plastic clips around the phone. Start in the top left corner, work your way down the left side. Then do the top and bottom of the phone, and finally the right side.

    • It can be useful to flip the plastic opening tool upside down in certain areas of the phone to make releasing the plastic clips easier.

  • Once all the clips are released, remove the back cover of the phone.

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Image 1/1:
  • Remove all 10 T5 screws on the motherboard. All screws are 4.5 mm Torx T5 screws.

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Image 1/2: Be very careful with the ribbon connectors as they can easily be ripped off. Image 2/2: The ribbon connector highlighted in yellow has a zero insertion force connector. This has a black flap on the end that needs to be flipped up before the ribbon cable can be pulled out.
  • Remove the ribbon connector with a highlighted with a red circle with the plastic opening tool.

    • Be very careful with the ribbon connectors as they can easily be ripped off.

  • The ribbon connector highlighted in yellow has a zero insertion force connector. This has a black flap on the end that needs to be flipped up before the ribbon cable can be pulled out.

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Image 1/1:
  • Remove USB port cover using the plastic opening tool, or your hand. It can be removed easily.

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Image 1/2: There is 1 connector that needs to be removed with the plastic opening tool highlighted with a red rectangle. Do not pull the motherboard away from the display assembly until  you have removed it. Image 2/2: You have now removed the motherboard from the display assembly and the back cover.
  • Pull up the left side of the motherboard.

    • There is 1 connector that needs to be removed with the plastic opening tool highlighted with a red rectangle. Do not pull the motherboard away from the display assembly until you have removed it.

  • You have now removed the motherboard from the display assembly and the back cover.

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Conclusion

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

Curtis Dawe

Member since: 03/04/2016

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