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.

Remove the 4.9 mm torx head screws located on the camera plate on the back of the phone Remove the 4.9 mm torx head screws located on the camera plate on the back of the phone
  • 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.
  • 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. Remove the SIM card tray by pushing a pin into the hole on the side of the phone.
  • 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. Push the Spudger along the gap between the phone and the backplate to separate them.
  • 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.
  • Carefully pull the backplate away from the phone.

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Peel away protective the film using your hands. Peel away protective the film using your hands.
  • Peel away protective the film using your hands.

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Deck the Halls
With tools and Fix Kits
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.
  • 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.
  • Disconnect the orange battery ribbon cable by gently lifting with a spudger.

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Insert a fingernail or spudger into either side  of the battery and lift upward. Remove the battery from phone. 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. Remove the 3.15mm Phillips Head #000 screws from motherboard. Remove the 3.15mm Phillips Head #000 screws from motherboard.
  • 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 Disconnect the two ribbon cables by gently lifting on the black hinges and pulling away with tweezers Disconnect the two ribbon cables by gently lifting on the black hinges and pulling away with tweezers
  • 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 Gently disconnect the rear-camera connector
  • Gently disconnect the rear-camera connector

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Gently remove the front-facing camera by gently lifting on the connector tab. 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 Pry off the plastic brace along the top edge of the phone
  • 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 Remove the antenna connected to the bottom piece of the screen plate
  • Remove the antenna connected to the bottom piece of the screen plate

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Gently lift the motherboard off the frame
  • Gently lift the motherboard off the frame

  • Pull the camera out from behind the motherboard

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Using a spudger, disconnect the charging port assembly cable and the screen connection cable. Remove the motherboard completely. 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.

2 other people completed this guide.

Mitchell Beall

Member since: 09/15/2016

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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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