Introduction

If your phone no longer powers on after replacing the battery, your motherboard might be defective. Learn how to replace it in this guide.

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  • Remove the 4.9 mm torx head screws located on the camera plate on the back of the phone

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  • Remove the 3.65 mm Torx head screws at the bottom of the phone.

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  • Remove the SIM card tray by pushing a pin into the hole on the side of the phone.

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  • Push the Spudger along the gap between the phone and the backplate to separate them.

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  • Carefully pull the backplate away from the phone.

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  • Peel away protective the film using your hands.

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Image 1/2: The regular black nylon spudger should be used whenever possible, especially around batteries. Image 2/2: The regular black nylon spudger should be used whenever possible, especially around batteries.
  • Remove any adhesive strips holding the battery in place gently using a fingernail or spudger.

  • The regular black nylon spudger should be used whenever possible, especially around batteries.

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  • Disconnect the orange battery ribbon cable by gently lifting with a spudger.

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Image 1/3: Remove the battery from phone. Image 2/3: Remove the battery from phone. Image 3/3: Remove the battery from phone.
  • Insert a fingernail or spudger into either side of the battery and lift upward.

  • Remove the battery from phone.

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  • Remove the 3.15mm Phillips Head #000 screws from motherboard.

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  • Disconnect the two ribbon cables by gently lifting on the black hinges and pulling away with tweezers

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  • Gently disconnect the rear-camera connector

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Image 1/2: Remove the other connector by gently lifting with a spudger. Image 2/2: Remove the other connector by gently lifting with a spudger.
  • Gently remove the front-facing camera by gently lifting on the connector tab.

  • Remove the other connector by gently lifting with a spudger.

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  • Pry off the plastic brace along the top edge of the phone

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  • Remove the antenna connected to the bottom piece of the screen plate

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Image 1/1: Pull the camera out from behind the motherboard
  • Gently lift the motherboard off the frame

  • Pull the camera out from behind the motherboard

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Image 1/3: Remove the motherboard completely. Image 2/3: Remove the motherboard completely. Image 3/3: Remove the motherboard completely.
  • Using a spudger, disconnect the charging port assembly cable and the screen connection cable.

  • Remove the motherboard completely.

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Conclusion

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

Mitchell Beall

Member since: 09/15/2016

281 Reputation

1 Guide authored

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USF Tampa, Team 18-3, Blackwell Fall 2016 Member of USF Tampa, Team 18-3, Blackwell Fall 2016

USFT-BLACKWELL-F16S18G3

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6 Guides authored

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