CAT S22 Flip Daughterboard Replacement

Escrito Por: Noah White
  • Comentários: 1
CAT S22 Flip Daughterboard Replacement

Dificuldade

Difficult

Passos

14

Tempo necessário

15 minutes

Introdução

This guide will go over replacing the CAT 22 Flip daughterboard. The daughterboard is responsible for connecting the motherboard to the touch screen, back screen, and cameras.

A faulty daughterboard can cause a myriad of issues from frozen touch screen to camera issues.

To be sure the daughterboard is the issue, check the CAT S22 Flip troubleshooting guides

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    • Insert a metal spudger into the seam of the phone frame.

    • Apply a downward force on the metal spudger to create a gap.

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    • Insert a jimmy into the gap.

    • Use the jimmy to wedge the front panel free from the frame.

    • There is adhesive binding the front panel to the frame, so you will have to apply a moderate amount of force to get them apart.

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    • Use a J00 JIS screwdriver to remove the four wide 3.3 mm-long screws.

    • Use a J00 JIS screwdriver to remove the four narrow 3.3 mm-long screws.

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    • Use a metal spudger to dislodge the lip holding the frame together.

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    • Use the flat end of a spudger to gently disconnect the back screen press connector.

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    • Gently remove the back screen.

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    • Disconnect the two touch-screen press connectors with the flat end of a spudger.

    • This only take a light force. To much force may damage the daughtboard components. This applies to all the ribbon cables of the CAT S22 daughterboard.

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    • Disconnect the front-facing camera ribbon cable using the spudger.

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    • Use a pair of tweezers to gently remove the front-facing camera.

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    • Use the spudger to remove the back-facing camera press connector.

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    • Place the spudger at one side of the metallic connector of the motherboard ribbon and apply a light upward force.

    • Repeat the previous action across the sides of the connector.

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    • Remove the red rubber seal connected to the motherboard ribbon cable.

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    • Insert an opening pick between the frame and the top of the daughterboard. This spot should be where you removed the motherboard ribbon cable and should have the least amount of adhesive.

    • Move the opening pick down, slicing through the adhesive.

    • While moving the pick down, apply a ligh upward pressure to fully seperate the the daughterboard from the frame.

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    • Insert the opening pick between the frame and the top right of the daughterboard. There may be some resistence inserting the pick.

    • Move the opening pick down, slicing through the adhesive.

    • While moving the pick down, apply a ligh upward pressure to fully seperate the the daughterboard from the frame.

Conclusão

To reassemble your device, follow these instructions in reverse order. It is recommended to add new adhesive to between the daughterboard and frame

Autor(a)

Noah White

Membro desde: 25/09/25

567 Reputação

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