Home Repair Guides Samsung Samsung Galaxy S Samsung Galaxy S5 Samsung Galaxy S5 Micro-USB Port Daughterboard Replacement

Samsung Galaxy S5 Micro-USB Port Daughterboard Replacement

This guide will walk you through replacing the Micro-USB port daughterboard.

Step 1 | Rear Case

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Insert a fingernail or plastic opening tool into the divot to the left of the rear-facing camera.

  • Gently pry and twist the flexible rear cover off the back of the phone.

Step 2 | Battery

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Insert a fingernail or plastic opening tool into the recess at the bottom right corner of the battery, then lift upward.

  • Continue to pull the battery out and away from the phone.

Step 3 | microSD Card

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Use your finger to gently pull the microSD card straight downward out of its slot.

  • Once removed, carefully take the microSD card away from the phone.

Step 4 | SIM Card

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Perform the same steps as previously described to remove the SIM card.

Step 5 | Display Assembly

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Be careful when handling the delicate connector panel.

  • Use a plastic opening tool to pry up the midframe connector panel.
  • Remove the panel using a pair of tweezers.
  • Apply additional double-stick tape if necessary for reattachment.

Step 6

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Use the sharp tip of a spudger to gently pry the home button cable connector straight up out of its socket.

Step 7

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Follow our iOpener heating guide and heed all warnings to ensure safe use.

  • Place a heated iOpener on the left side of the phone for at least 90 seconds.
  • Reheat the iOpener and place it on the right half of the phone.

Step 8

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Ensure you're following the designated prying area.

  • Opening Pick - Insert the edge under the bottom right corner of the front panel glass.

Stop if resistance is met and reapply heat before continuing.

Step 9

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Use the opening pick to gently slide up along the right edge of the display.

Step 10

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Slide the pick gently around the corner, halting just shy of the speaker grille near the top of the device.

Step 11

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Insert the opening pick at the top edge of the phone, avoiding the earpiece speaker.

  • Guide the pick along the top of the speaker to prevent damage to internal components.
  • Be cautious not to insert the pick too far into the device.

Step 12

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If encountering resistance from cooling adhesive, reheat the iOpener and apply it again to the left side.

  • Precision pick: Carefully slide around the upper left corner of the phone.

Step 13

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Start by inserting an opening pick into the bottom left corner and slide it downwards, moving it along the left half of the phone.

Step 14

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Slide the opening pick to the bottom left corner and ensure it's secure.

  • Securely place the iOpener over the home button end of the phone, keeping an eye on your opening pick.

Step 15

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Delicate components are located at the bottom of the display assembly.

  • Place a reheated iOpener over the bottom portion of the display assembly to soften the adhesive.

This will help prevent damage to the phone when removing the adhesive.

Step 16

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Risk of cutting ribbon cables if the opening pick is inserted too deeply.

  • Insert the opening pick only until it touches the bottom edge of the display.
  • Slide the very end of the opening pick along the bottom edge to separate remaining adhesive.

Step 17

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Twist the opening pick to release the glass from the phone.

Additional adhesive cutting might be necessary if the front panel doesn't come off easily.

Step 18

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Be cautious when handling thin button cables, as they are easily damaged.

  • Insert an opening pick under the soft button icons on the display assembly.
  • Pry the soft button cables down off the inside of the front panel carefully.

Step 19

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Partially lift the display assembly's home button end.

Do not remove the front panel — it remains attached by a connector.

  • If reusing the home button flex cable, be cautious to avoid severing it from the home button, as adhesive may cause separation.
  • Be aware that if this occurs, the fingerprint scanner will not function, but the home button will still operate.

Step 20

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Use the sharp tip of a spudger to lift the front panel assembly cable connector straight up off its socket on the motherboard.

  • Lift the front panel assembly straight out from the phone.
  • If your replacement display did not include a home button, transfer your old button using our Home Button Assembly guide or install a new one.

Step 21 | Interior Midframe Assembly

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  • Disconnect the ten Phillips #000 screws with a 3.4mm diameter on the display side.
  • These screws are located in the midframe area.

Step 22

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  • Remove two 4.4 mm Phillips #000 screws near the USB port.
  • Remove one additional 4.4 mm Phillips #000 screw.

Step 23

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Run a plastic opening tool gently down the left inner side of the interior frame.

  • The tool should release the three white plastic clips.

Step 24

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Separate the two halves of the midframe, which encases the motherboard.

  • Gently pull out the long sides of the silver bezel.
  • To aid separation, you can carefully push in from the inside of the battery compartment.
  • Be cautious not to flex the interior half of the midframe, as it supports the motherboard.

Step 25

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Separate the two halves of the midframe by gently pulling the silver bezel away from the interior section.

Step 26

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Remove any remaining silver bezel corners with a plastic opening tool.

Step 27

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Careful removal of the interior midframe/motherboard assembly to avoid damaging surrounding components.

  • Disconnect all connectors and cables.
  • Remove any screws holding the assembly in place.
  • Lift out the interior midframe/motherboard assembly from the white inner midframe.

Step 28 | Motherboard Assembly

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Wedge the spudger tip under the antenna cable connector.

  • Lift the spudger directly upwards to disconnect the antenna connector.
  • For models with two cables, remove both blue and grey/white antenna cables.

Step 29

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Remove the single 3.0mm Phillips #000 screw holding the motherboard in place.

Step 30

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Do not attempt to fully remove the motherboard, it remains secured.

  • Pull the camera end of the motherboard up from the midframe.

This will allow access to the connectors on the rear without detaching the motherboard completely.

Step 31

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Use a flat-end spudger to carefully lift the daughterboard connector directly upwards from its socket.

Step 32 | Micro-USB Port Daughterboard

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Take care not to damage the soft button ribbon cables.

  • Locate the Micro-USB port daughterboard.
  • Use a flat spudger to gently lift the soft button ribbon cables off the interior midframe.

Step 33

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Flip the midframe/motherboard assembly back over.

  • Micro-USB port daughterboard screw: Remove the single 2.5 mm Phillips #000 screw.

Step 34

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Insert the flat end of a spudger carefully into the gap between the daughterboard cable and the interior midframe.

  • Slide the spudger gently towards you to loosen the adhesive.

Step 35

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Reinsert the spudger between the daughterboard and interior midframe.

  • Twist the spudger to break the last of the adhesive.
  • Remove the daughterboard from the interior midframe.
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