Introduction

Use this guide for replacing the motherboard on a Samsung Galaxy Tab 8.9. The guide shows how to disassemble the device to replace the motherboard.

Insert one of the plastic opening tools between the back cover and the screen of the Samsung Galaxy Tab 8.9.
  • Insert one of the plastic opening tools between the back cover and the screen of the Samsung Galaxy Tab 8.9.

Insert the second plastic opening tool 6 cm [2 in] away from the first tool.
  • Insert the second plastic opening tool 6 cm [2 in] away from the first tool.

Slide the second plastic opening tool along the edge of the device to separate the back cover from the screen.
  • Slide the second plastic opening tool along the edge of the device to separate the back cover from the screen.

Open the back cover with your hands.
  • Open the back cover with your hands.

Using tweezers, peel away the green tape located on top of the two flexible ribbon cables. Using tweezers, peel away the green tape located on top of the two flexible ribbon cables. Using tweezers, peel away the green tape located on top of the two flexible ribbon cables.
  • Using tweezers, peel away the green tape located on top of the two flexible ribbon cables.

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Insert a spudger under the orange tab. Pry open the tab to disconnect the black flexible ribbon cable from the motherboard.
  • Insert a spudger under the orange tab.

    • Pry open the tab to disconnect the black flexible ribbon cable from the motherboard.

Slide out the yellow flexible ribbon cable to disconnect it from the motherboard. Slide out the yellow flexible ribbon cable to disconnect it from the motherboard. Slide out the yellow flexible ribbon cable to disconnect it from the motherboard.
  • Slide out the yellow flexible ribbon cable to disconnect it from the motherboard.

Insert the spudger under the red, black, and white cables to pry up and detach the battery from the motherboard. Insert the spudger under the red, black, and white cables to pry up and detach the battery from the motherboard. Insert the spudger under the red, black, and white cables to pry up and detach the battery from the motherboard.
  • Insert the spudger under the red, black, and white cables to pry up and detach the battery from the motherboard.

Using a Phillips #00 screwdriver, unscrew the 9 screws (1mm) that are located around the battery.
  • Using a Phillips #00 screwdriver, unscrew the 9 screws (1mm) that are located around the battery.

Using a spudger, lift up and separate the battery from the housing. Using a spudger, lift up and separate the battery from the housing. Using a spudger, lift up and separate the battery from the housing.
  • Using a spudger, lift up and separate the battery from the housing.

Locate the motherboard and 5 connectors on it. Pry up and detach the connector from the motherboard using the flat edge of the spudger. Repeat for the 4 remaining connectors.
  • Locate the motherboard and 5 connectors on it.

  • Pry up and detach the connector from the motherboard using the flat edge of the spudger.

  • Repeat for the 4 remaining connectors.

Using the Phillips #00 screwdriver, unscrew the 3 screws  (1mm)  that are located near: Camera Power and volume buttons
  • Using the Phillips #00 screwdriver, unscrew the 3 screws (1mm) that are located near:

    • Camera

    • Power and volume buttons

    • Tilt sensor

Using the flat edge of the spudger, pry and lift up the motherboard. Using the flat edge of the spudger, pry and lift up the motherboard. Using the flat edge of the spudger, pry and lift up the motherboard.
  • Using the flat edge of the spudger, pry and lift up the motherboard.

Pull away the motherboard from the housing. Pull away the motherboard from the housing.
  • Pull away the motherboard from the housing.

Conclusion

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

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